Digital-analog Conversion (Practical considerations of ADC. 12/3/2014 18 EECT 7326, Fall 2014-35-В© Y. Chiu Redundancy of Sub-binary Search вЂў Dynamic errors absorbed by redundancy. +FS t 0 0-FS 1111 1110 1101 1100 1011 1010 1001, What is an analog-to-digital converter? An analog-to-digital converter (ADC) is a system that converts an analog signal to a digital signal. For example, a sound picked up by a microphone into a digital signal. The output of a microphone, the voltage at a photodiode or the signal of an accelerometer are the examples of the Read moreAnalog to Digital Converter (ADC) Advantages & Disadvantages.

### No. of Comparators in a Flash ADC. Forum

Convertisseur analogique-numГ©rique вЂ” WikipГ©dia. Digital to analog conversion digital to analog conversion, R/2R ladder network: Flash ADC: Flash ADC Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, however, they typically consume more, EECS 247 Lecture 19: Data Converters- Flash ADC- Comparator Design В© 2009 Page 7 Flash ADC Converter Example: 8-bit ADC Comparator Offset Considerations.

Flash Analog to Digital Converter Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, but they consume more power and much bigger in size than other ADC вЂ¦ This paper presents 6-bit flash Analog to Digital Converter at 0.18u technology, which uses TIQ concept for the generation of the reference voltages in Quantized Differential Comparator and encoder design, which is based on the Fat Tree Encoder Design. 2. A 6-BIT FLASH ADC

Flash Analog to Digital Converter Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, but they consume more power and much bigger in size than other ADC вЂ¦ 24/02/2014В В· A video by Jim Pytel for Renewable Energy Technology students at Columbia Gorge Community College

ADC Conversion. A variety of applications of the ADCs are measurement and control systems, industrial instrumentation, communication systems and all other sensory based systems.Classification of ADCs based on factors like performance, bit rates, power, cost, etc. applications since they consume multiple clock cycles to implement the conversion algorithm, which needs more time interleaving to increase the conversion speed. of this paper is to reduce the power consumption for flash ADC to be suitable for usage in low voltage applications. Flash ADCs are still

Digital to analog conversion digital to analog conversion, R/2R ladder network: Flash ADC: Flash ADC Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, however, they typically consume more Flash Analog to Digital Converter Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, but they consume more power and much bigger in size than other ADC вЂ¦

Another type of ADC is parallel ADC. Parallel ADC is called as Flash ADC. Its response is very fast. it converts analog signal into digital signal using parallel set of comparators. As its conversion time is very fast it is called as flash ADC. Following figure shows circuit diagram of parallel ADC or flash ADC. Flash ADC {The Kelvin divider is used to generate t Г‡ reference voltages {Comparators compare the sample and held inputs to each derived reference voltage {Thermometer output decoded to binary Spring 2013 Analog to Digital Converters 5 5 / 34 Flash ADC considerations {Fast: conversion is done in parallel

24/02/2014В В· A video by Jim Pytel for Renewable Energy Technology students at Columbia Gorge Community College ADC Conversion. A variety of applications of the ADCs are measurement and control systems, industrial instrumentation, communication systems and all other sensory based systems.Classification of ADCs based on factors like performance, bit rates, power, cost, etc.

### How Analog-to-Digital Converter (ADC) Works Parallel

D/A A/D converters overview - Educypedia. We already know that analog-to-digital (ADCs) converters are the most widely used devices for information securing to translate the analog signals to digital numbers so microcontroller can read them easily. There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. In this article we are going to discuss about the ADC0804, Figure 3. Averaging of N-X ADC sample algorithm Total conversion time = (number of samples * ADC conversion time) + computation time. Computation time = time taken to read the results, sort the N ADC samples, delete the X most dispersed samples, add the rest of the ADC samples together and calculate the average by dividing the total by N-X..

Choose the right data converter for your application. Perhaps the most important consideration of an ADC is its resolution.Resolution is the number of binary bits output by the converter. Because ADC circuits take in an analog signal, which is continuously variable, and resolve it into one of many discrete steps, it is important to know how many of these steps there are in total., Confusion often arises around the topic of criteria for picking analog-to-digital converters (ADC). Much discussion is usually given to the sampling rate (also referred to as the conversion rate) which dictates how frequently the source signal must be sampled per second to faithfully reproduce that signal.Twentieth-century electronic communications engineer Harry Nyquist answered that question.

### An approach to design Flash Analog to Digital Converter

Know all about Analog to Digital ADC Converters. ADC Conversion. A variety of applications of the ADCs are measurement and control systems, industrial instrumentation, communication systems and all other sensory based systems.Classification of ADCs based on factors like performance, bit rates, power, cost, etc. https://en.wikipedia.org/wiki/Analog-to-digital_converter Flash ADC. Also called the parallel A/D converter, this circuit is the simplest to understand. It is formed of a series of comparators, each one comparing the input signal to a unique reference voltage. The comparator outputs connect to the inputs of a priority encoder circuit, which then produces a вЂ¦.

Perhaps the most important consideration of an ADC is its resolution.Resolution is the number of binary bits output by the converter. Because ADC circuits take in an analog signal, which is continuously variable, and resolve it into one of many discrete steps, it is important to know how many of these steps there are in total. Design and Implementation of Flash ADC for Low Power Applications Ram Prasad J M, Dr. B.S Kariyappa, Ravishankar Holla R.V. College of Engineering, Bangalore Abstract: Flash ADC is one of the most preferred architectures for high speed analog -to digital data conversion applications. The comparator is a building block of virtually all analog-to

24/02/2014В В· A video by Jim Pytel for Renewable Energy Technology students at Columbia Gorge Community College EECS 247 Lecture 19: Data Converters- Flash ADC- Comparator Design В© 2009 Page 7 Flash ADC Converter Example: 8-bit ADC Comparator Offset Considerations

applications since they consume multiple clock cycles to implement the conversion algorithm, which needs more time interleaving to increase the conversion speed. of this paper is to reduce the power consumption for flash ADC to be suitable for usage in low voltage applications. Flash ADCs are still Confusion often arises around the topic of criteria for picking analog-to-digital converters (ADC). Much discussion is usually given to the sampling rate (also referred to as the conversion rate) which dictates how frequently the source signal must be sampled per second to faithfully reproduce that signal.Twentieth-century electronic communications engineer Harry Nyquist answered that question

This paper presents 6-bit flash Analog to Digital Converter at 0.18u technology, which uses TIQ concept for the generation of the reference voltages in Quantized Differential Comparator and encoder design, which is based on the Fat Tree Encoder Design. 2. A 6-BIT FLASH ADC Flash ADC. Also called the parallel A/D converter, this circuit is the simplest to understand. It is formed of a series of comparators, each one comparing the input signal to a unique reference voltage. The comparator outputs connect to the inputs of a priority encoder circuit, which then produces a binary output. The following illustration

Design and Implementation of Flash ADC for Low Power Applications Ram Prasad J M, Dr. B.S Kariyappa, Ravishankar Holla R.V. College of Engineering, Bangalore Abstract: Flash ADC is one of the most preferred architectures for high speed analog -to digital data conversion applications. The comparator is a building block of virtually all analog-to Flash ADC {The Kelvin divider is used to generate t Г‡ reference voltages {Comparators compare the sample and held inputs to each derived reference voltage {Thermometer output decoded to binary Spring 2013 Analog to Digital Converters 5 5 / 34 Flash ADC considerations {Fast: conversion is done in parallel

Considering that eight bits is generally considered the minimum necessary for any practical ADC (255 comparators needed!), the flash methodology quickly shows its weakness. An additional advantage of the flash converter, often overlooked, is the ability for it to produce a non-linear output. With equal-value resistors in the reference voltage 24/02/2014В В· A video by Jim Pytel for Renewable Energy Technology students at Columbia Gorge Community College

Un convertisseur analogique-numГ©rique (CAN, parfois convertisseur A/N, ou en anglais ADC pour Analog to Digital Converter ou plus simplement A/D) est un montage Г©lectronique dont la fonction est de traduire une grandeur analogique en une valeur numГ©rique (codГ©e sur plusieurs bits), proportionnelle au rapport entre la grandeur analogique d'entrГ©e et la valeur maximale du signal. 12/3/2014 18 EECT 7326, Fall 2014-35-В© Y. Chiu Redundancy of Sub-binary Search вЂў Dynamic errors absorbed by redundancy. +FS t 0 0-FS 1111 1110 1101 1100 1011 1010 1001

## D/A A/D converters overview - Educypedia

How to Select Analog-to-Digital Converters. Flash ADC {The Kelvin divider is used to generate t Г‡ reference voltages {Comparators compare the sample and held inputs to each derived reference voltage {Thermometer output decoded to binary Spring 2013 Analog to Digital Converters 5 5 / 34 Flash ADC considerations {Fast: conversion is done in parallel, EECS 247 Lecture 19: Data Converters- Flash ADC- Comparator Design В© 2009 Page 7 Flash ADC Converter Example: 8-bit ADC Comparator Offset Considerations.

### Using ADC (Analog To Digital Converter) of AVR Microcontroller

Analog to Digital Converters How ADC Works Examples and. 01/09/2015В В· This work presents a rad-hard 4-bit 10 MHz Flash ADC for space applications. The converter has been developed using rad-hardened techniques at architecture, circuit and layout levels. The design takes into account the different effects of the radiation that could damage the circuits in harsh environments. The ADC has been integrated in a, What is an analog-to-digital converter? An analog-to-digital converter (ADC) is a system that converts an analog signal to a digital signal. For example, a sound picked up by a microphone into a digital signal. The output of a microphone, the voltage at a photodiode or the signal of an accelerometer are the examples of the Read moreAnalog to Digital Converter (ADC) Advantages & Disadvantages.

01/09/2015В В· This work presents a rad-hard 4-bit 10 MHz Flash ADC for space applications. The converter has been developed using rad-hardened techniques at architecture, circuit and layout levels. The design takes into account the different effects of the radiation that could damage the circuits in harsh environments. The ADC has been integrated in a Perhaps the most important consideration of an ADC is its resolution.Resolution is the number of binary bits output by the converter. Because ADC circuits take in an analog signal, which is continuously variable, and resolve it into one of many discrete steps, it is important to know how many of these steps there are in total.

EECS 247 Lecture 19: Data Converters- Flash ADC- Comparator Design В© 2009 Page 7 Flash ADC Converter Example: 8-bit ADC Comparator Offset Considerations An analog to digital converter (ADC) is an electronic device which converts varying analog signals into digital signals so that they can easily be read by the digital devices. it have many applications in electronics projects.ADC converts the quantities of real world phenomenon in to digital language which is used in control systems, data computing, data transmission and information processing.

This paper presents 6-bit flash Analog to Digital Converter at 0.18u technology, which uses TIQ concept for the generation of the reference voltages in Quantized Differential Comparator and encoder design, which is based on the Fat Tree Encoder Design. 2. A 6-BIT FLASH ADC BiMOS converters simplify applications issues; the typically high-impedance, benign input structures are easy to drive. High-speed CB op amps and CMOS, switched-capacitor-based converters minimize power consumption and price. An application where an AD8011 op amp drives an AD876 A/D shows strengths and practical issues of new-generation ICs.

Now we have we have brought a physical quantity into electrical domain. The electrical quantity in most case is voltage.To bring this quantity into digital domain we have to convert this into digital form. For this a ADC or analog to digital converter is needed. Most modern MCU including AVRs has an ADC on chip. An ADC converts an input voltage Figure 3. Averaging of N-X ADC sample algorithm Total conversion time = (number of samples * ADC conversion time) + computation time. Computation time = time taken to read the results, sort the N ADC samples, delete the X most dispersed samples, add the rest of the ADC samples together and calculate the average by dividing the total by N-X.

07/04/2007В В· From my understanding there are Flash ADC's, successive approximation, and sigma-delta. My question is where are these three different ADC's used? What are their real world applications? Any help would be greatly appreciated. EECS 247 Lecture 19: Data Converters- Flash ADC- Comparator Design В© 2009 Page 7 Flash ADC Converter Example: 8-bit ADC Comparator Offset Considerations

07/04/2007В В· From my understanding there are Flash ADC's, successive approximation, and sigma-delta. My question is where are these three different ADC's used? What are their real world applications? Any help would be greatly appreciated. Abstract: Flash analog-to-digital converters (ADCs) find wide application both as stand-alone components and as building blocks of more complex systems. This architecture dates back to at least the early 1960s. For example, in a patent filed in 1963, Stephenson [1] describes the "parallel" ADC as a known technique. In this article, we study the

Flash Analog to Digital Converter Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, but they consume more power and much bigger in size than other ADC вЂ¦ Now we have we have brought a physical quantity into electrical domain. The electrical quantity in most case is voltage.To bring this quantity into digital domain we have to convert this into digital form. For this a ADC or analog to digital converter is needed. Most modern MCU including AVRs has an ADC on chip. An ADC converts an input voltage

08/03/2009В В· Hi, im researching flash ADC's for school presentation, via this website's link on the subject - however the following statement confuses me... "Unfortunately, it is the most component-intensive for any given number of output bits. This three-bit flash ADC requires eight comparators. A... We already know that analog-to-digital (ADCs) converters are the most widely used devices for information securing to translate the analog signals to digital numbers so microcontroller can read them easily. There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. In this article we are going to discuss about the ADC0804

The Flash ADC, also called parallel ADC, is very easy to understand. It works by comparing the input voltage вЂ“ i.e., the analog signal вЂ“ to a reference voltage, which would be the maximum 01/09/2015В В· This work presents a rad-hard 4-bit 10 MHz Flash ADC for space applications. The converter has been developed using rad-hardened techniques at architecture, circuit and layout levels. The design takes into account the different effects of the radiation that could damage the circuits in harsh environments. The ADC has been integrated in a

The Flash ADC, also called parallel ADC, is very easy to understand. It works by comparing the input voltage вЂ“ i.e., the analog signal вЂ“ to a reference voltage, which would be the maximum Analog-to-Digital Converter Design Guide. High-Performance, Stand-Alone A/D Converters for a Variety of . Embedded Systems Applications . High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications. 2. ADC Converter Function Pack Design Guide ADC Converter Function Pack Design Guide. 3 . High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications ..

Choose the right A/D converter for your application. Agenda вЂў Analog-to-Digital-Converters (ADCs) вЂ“ What are the Signal Frequencies вЂў Analog Classes of applications вЂў Frequency ranges of ADCs вЂ“ Nuts and Bolts of Delta-Sigma Converters вЂ“ The SAR ADC вЂ“ The High-speed Pipeline Topology вЂў Digital-to-Analog-Converters (DACs) вЂ“ R-2R-DACs вЂ“ String-DACs вЂ“ Multiplying DACs 12/3/2014 18 EECT 7326, Fall 2014-35-В© Y. Chiu Redundancy of Sub-binary Search вЂў Dynamic errors absorbed by redundancy. +FS t 0 0-FS 1111 1110 1101 1100 1011 1010 1001

12/3/2014 18 EECT 7326, Fall 2014-35-В© Y. Chiu Redundancy of Sub-binary Search вЂў Dynamic errors absorbed by redundancy. +FS t 0 0-FS 1111 1110 1101 1100 1011 1010 1001 Another type of ADC is parallel ADC. Parallel ADC is called as Flash ADC. Its response is very fast. it converts analog signal into digital signal using parallel set of comparators. As its conversion time is very fast it is called as flash ADC. Following figure shows circuit diagram of parallel ADC or flash ADC.

Now we have we have brought a physical quantity into electrical domain. The electrical quantity in most case is voltage.To bring this quantity into digital domain we have to convert this into digital form. For this a ADC or analog to digital converter is needed. Most modern MCU including AVRs has an ADC on chip. An ADC converts an input voltage This paper presents 6-bit flash Analog to Digital Converter at 0.18u technology, which uses TIQ concept for the generation of the reference voltages in Quantized Differential Comparator and encoder design, which is based on the Fat Tree Encoder Design. 2. A 6-BIT FLASH ADC

### D/A A/D converters overview - Educypedia

How Analog-to-Digital Converter (ADC) Works Parallel. the finite resolution of the ADC. That is, the ADC can only resolve the input into 2 n discrete values. Each output code represents a range of input values. This range of values is a quanta , to which we assign the symbol q. The converter resolution, then, is 2 n. So, for an 8 вЂ¦, Choose the right A/D converter for your application. Agenda вЂў Analog-to-Digital-Converters (ADCs) вЂ“ What are the Signal Frequencies вЂў Analog Classes of applications вЂў Frequency ranges of ADCs вЂ“ Nuts and Bolts of Delta-Sigma Converters вЂ“ The SAR ADC вЂ“ The High-speed Pipeline Topology вЂў Digital-to-Analog-Converters (DACs) вЂ“ R-2R-DACs вЂ“ String-DACs вЂ“ Multiplying DACs.

Analog to Digital Converters. Flash converters are usually limited to 8-bits. The main reason is the large number of comparators needed for this architecture. Flash converters use 2n-1 comparators, where n = number of bits. An 8-bit flash ADC has 255 comparators. Today, this architecture is used mostly as a building block of the pipeline or sub-ranging architecture. Very, 07/04/2007В В· From my understanding there are Flash ADC's, successive approximation, and sigma-delta. My question is where are these three different ADC's used? What are their real world applications? Any help would be greatly appreciated..

### Analog-to-Digital Converters (ADCs) Products Data

Analog-to-Digital Converter Design Guide. Now we have we have brought a physical quantity into electrical domain. The electrical quantity in most case is voltage.To bring this quantity into digital domain we have to convert this into digital form. For this a ADC or analog to digital converter is needed. Most modern MCU including AVRs has an ADC on chip. An ADC converts an input voltage https://en.wikipedia.org/wiki/ADC Analog-to-Digital Converter Design Guide. High-Performance, Stand-Alone A/D Converters for a Variety of . Embedded Systems Applications . High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications. 2. ADC Converter Function Pack Design Guide ADC Converter Function Pack Design Guide. 3 . High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications ...

Figure 3. Averaging of N-X ADC sample algorithm Total conversion time = (number of samples * ADC conversion time) + computation time. Computation time = time taken to read the results, sort the N ADC samples, delete the X most dispersed samples, add the rest of the ADC samples together and calculate the average by dividing the total by N-X. Digital to analog conversion digital to analog conversion, R/2R ladder network: Flash ADC: Flash ADC Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, however, they typically consume more

Digital to analog conversion digital to analog conversion, R/2R ladder network: Flash ADC: Flash ADC Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, however, they typically consume more EECS 247 Lecture 19: Data Converters- Flash ADC- Comparator Design В© 2009 Page 7 Flash ADC Converter Example: 8-bit ADC Comparator Offset Considerations

the finite resolution of the ADC. That is, the ADC can only resolve the input into 2 n discrete values. Each output code represents a range of input values. This range of values is a quanta , to which we assign the symbol q. The converter resolution, then, is 2 n. So, for an 8 вЂ¦ Figure 3. Averaging of N-X ADC sample algorithm Total conversion time = (number of samples * ADC conversion time) + computation time. Computation time = time taken to read the results, sort the N ADC samples, delete the X most dispersed samples, add the rest of the ADC samples together and calculate the average by dividing the total by N-X.

12/3/2014 18 EECT 7326, Fall 2014-35-В© Y. Chiu Redundancy of Sub-binary Search вЂў Dynamic errors absorbed by redundancy. +FS t 0 0-FS 1111 1110 1101 1100 1011 1010 1001 Flash converters are usually limited to 8-bits. The main reason is the large number of comparators needed for this architecture. Flash converters use 2n-1 comparators, where n = number of bits. An 8-bit flash ADC has 255 comparators. Today, this architecture is used mostly as a building block of the pipeline or sub-ranging architecture. Very

An analog to digital converter (ADC) is an electronic device which converts varying analog signals into digital signals so that they can easily be read by the digital devices. it have many applications in electronics projects.ADC converts the quantities of real world phenomenon in to digital language which is used in control systems, data computing, data transmission and information processing. Followed by a quantized which is actually the working horse for the analog to the digital conversion process. The type of ADC depends on how itвЂ™s performing the quantization process, it can be analog integration, digital counter, successive approximation, or even direct conversion as in Flash ADC types which weвЂ™ll discuss hereafter.

the finite resolution of the ADC. That is, the ADC can only resolve the input into 2 n discrete values. Each output code represents a range of input values. This range of values is a quanta , to which we assign the symbol q. The converter resolution, then, is 2 n. So, for an 8 вЂ¦ Another type of ADC is parallel ADC. Parallel ADC is called as Flash ADC. Its response is very fast. it converts analog signal into digital signal using parallel set of comparators. As its conversion time is very fast it is called as flash ADC. Following figure shows circuit diagram of parallel ADC or flash ADC.

Analog-to-Digital Converter Design Guide. High-Performance, Stand-Alone A/D Converters for a Variety of . Embedded Systems Applications . High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications. 2. ADC Converter Function Pack Design Guide ADC Converter Function Pack Design Guide. 3 . High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications .. ADC Conversion. A variety of applications of the ADCs are measurement and control systems, industrial instrumentation, communication systems and all other sensory based systems.Classification of ADCs based on factors like performance, bit rates, power, cost, etc.

Perhaps the most important consideration of an ADC is its resolution.Resolution is the number of binary bits output by the converter. Because ADC circuits take in an analog signal, which is continuously variable, and resolve it into one of many discrete steps, it is important to know how many of these steps there are in total. 01/09/2015В В· This work presents a rad-hard 4-bit 10 MHz Flash ADC for space applications. The converter has been developed using rad-hardened techniques at architecture, circuit and layout levels. The design takes into account the different effects of the radiation that could damage the circuits in harsh environments. The ADC has been integrated in a

Find the right analog-to-digital converter (ADC / AD converter) for your system design using a wide variety of commonly used parameters. This paper presents 6-bit flash Analog to Digital Converter at 0.18u technology, which uses TIQ concept for the generation of the reference voltages in Quantized Differential Comparator and encoder design, which is based on the Fat Tree Encoder Design. 2. A 6-BIT FLASH ADC

Abstract: Flash analog-to-digital converters (ADCs) find wide application both as stand-alone components and as building blocks of more complex systems. This architecture dates back to at least the early 1960s. For example, in a patent filed in 1963, Stephenson [1] describes the "parallel" ADC as a known technique. In this article, we study the Confusion often arises around the topic of criteria for picking analog-to-digital converters (ADC). Much discussion is usually given to the sampling rate (also referred to as the conversion rate) which dictates how frequently the source signal must be sampled per second to faithfully reproduce that signal.Twentieth-century electronic communications engineer Harry Nyquist answered that question

Now we have we have brought a physical quantity into electrical domain. The electrical quantity in most case is voltage.To bring this quantity into digital domain we have to convert this into digital form. For this a ADC or analog to digital converter is needed. Most modern MCU including AVRs has an ADC on chip. An ADC converts an input voltage 24/02/2014В В· A video by Jim Pytel for Renewable Energy Technology students at Columbia Gorge Community College

Confusion often arises around the topic of criteria for picking analog-to-digital converters (ADC). Much discussion is usually given to the sampling rate (also referred to as the conversion rate) which dictates how frequently the source signal must be sampled per second to faithfully reproduce that signal.Twentieth-century electronic communications engineer Harry Nyquist answered that question Now we have we have brought a physical quantity into electrical domain. The electrical quantity in most case is voltage.To bring this quantity into digital domain we have to convert this into digital form. For this a ADC or analog to digital converter is needed. Most modern MCU including AVRs has an ADC on chip. An ADC converts an input voltage

Considering that eight bits is generally considered the minimum necessary for any practical ADC (255 comparators needed!), the flash methodology quickly shows its weakness. An additional advantage of the flash converter, often overlooked, is the ability for it to produce a non-linear output. With equal-value resistors in the reference voltage Flash Analog to Digital Converter Flash analog-to-digital converters, also known as parallel ADCs, are the fastest way to convert an analog signal to a digital signal. Flash ADCs are ideal for applications requiring very large bandwidth, but they consume more power and much bigger in size than other ADC вЂ¦