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ADC Driver Selection Guide Final

ADC Driver Selection Guide Final

ADC Driver Selection Guide Final

Product catalog summary
Overview: This document provides a comprehensive guide on driver amplifiers for Successive Approximation Register (SAR) Analog-to-Digital Converters (ADCs), focusing on both single-ended and differential input configurations. It includes specifications, performance metrics, and recommended amplifier models for various ADCs.
Specifications: The document lists several ADCs with their maximum throughput (in MSPS), supply types (bipolar/unipolar), Effective Number of Bits (ENOB), input channels, input range (V p-p), and signal frequency capabilities. Key parameters such as supply current, supply voltage, and bias current are also detailed.
Single-Ended Input ADCs: The document outlines various ADC models like AD79851, AD7983, AD7980, and others, specifying their throughput, ENOB, and input range. It also lists compatible driver amplifiers for each ADC model, such as ADA4610, ADA4075, and ADA4841, among others.
Differential Input ADCs: Similar to single-ended inputs, this section details ADC models like AD7986, AD7984, and AD7691, with specifications on throughput, ENOB, and input range. Recommended driver amplifiers include ADA4941, ADA4932, and AD8475.
Performance and Design Considerations: The document emphasizes the importance of selecting the right driver amplifier to optimize ADC performance, considering factors like signal frequency, supply current, and voltage requirements.
Reference Circuits and Resources: It provides links to Circuit Notes and design tools such as the ADI DiffAmpCalc™ for designing differential amplifier circuits. These resources assist in optimizing ADC and amplifier performance.
Conclusion: The document serves as a technical reference for engineers designing systems with SAR ADCs, offering detailed specifications and guidance on selecting appropriate driver amplifiers to achieve optimal performance.
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Catalog excerpts

ADC Driver Selection Guide Final-1

Driver Amplifiers for SAR ADCs, Single-Ended Input Analog-to-Digital Converters Max Throughput (MSPS) Bipolar/ Unipolar Supplies Part Number Driver Amplifiers Signal Frequency 0 kHz to 20 kHz Input Channels Max Input Signal Frequency for Highest ENOB (kHz) Unipolar Unipolar Supply Voltage Supply Voltage (>5 V) (>5 V) Learn more about designing with SAR ADCs and driver amplifiers using Circuits from the Lab® reference circuits: www.analog.com/circuits. CN-0260 Circuit Note, Oversampled SAR ADC with PGA Achieving Greater than 125 dB Dynamic Range: www.analog.com/CN0260 CN-0194 Circuit Note, Galvanically Isolated, 2-Channel, 16-Bit, Simultaneous Sampling, Daisy-Chained Data Acquisition System: www.analog.com/CN0194 CN-0255 Circuit Note, A Complete Single-Supply, 16-Bit, 100 kSPS PulSAR ADC System Dissipates 8 mW: www.analog.com/CN0255 CN-0187 Circuit Note, Crest Factor, Peak, and RMS RF Power Measurement Circuit Optimized for High Speed, Low Power, and Single 3.3 V Supply: www.analog.com/CN0187 CN-0247 Circuit Note, 12-Bit ,1 MSPS SAR ADC and Driver with Total Power Dissipation Less than 5 mW: www.analog.com/CN0247 CN-0165 Circuit Note, Power-Off Protected Data Acquisition Signal Chain Using Fault-Protected CMOS Switches: www.analog.com/CN0165 Other resources: More about ADCs: www.analog.com/ADC More about amplifiers: www.analog.com/amplifiers-linears ADC driver website: www.analog.com/adcdrivers

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ADC Driver Selection Guide Final-2

Driver Amplifiers for SAR ADCs, Differential Input Learn more about designing with SAR ADCs and driver amplifiers using Circuits from the Lab reference circuits: www.analog.com/circuits. 'CN-0237 Circuit Note, Ultrabw Power, 18-Bit, Differential PulSAR ADC Driver www.amlog.com/Cm237 "CN-0105 Circuit Note, Single-Ended-to-Dlfferential High Speed Drive Circuit for 16-BH 10 MSPS AD/626 ADC: www.anahg.com/CN0105 -'.MJ-ul 80 Circuit Note, Pir. :.,■»«:. Low Powe i i - ntialADC DIVI /»/ industrial-Level Signals MW .«;.*»/rom CNOiSi Kll "1::, i.ircuit Note, Crest Factor, Peak and RMS BP Power Measurement...

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