AD4022

RECOMMENDED FOR NEW DESIGNS

20-Bit, 1.8 MSPS/1 MSPS/500 kSPS, Easy Drive, Differential SAR ADCs

Part Models
3
1ku List Price
Starting From $17.60
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Part Details

  • Easy Drive
    • Greatly reduced input kickback
      • Input current reduced to 0.5 μA/MSPS
    • Enhanced acquisition phase, ≥77% of cycle time at 1 MSPS
    • First conversion accurate, no latency or pipeline delay
    • Input span compression for single-supply operation
    • Fast conversion allows low SPI clock rates
    • Input overvoltage clamp protection sinks up to 50 mA
    • SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface
  • High performance
    • Differential analog input range: ±VREF, VREF from 2.4 V to 5.1 V
    • Throughput: 1.8 MSPS/1 MSPS/500 kSPS options
    • INL: ±3.1 ppm maximum
    • Guaranteed 20-bit, no missing codes
    • SNR: 100.5 dB at fIN = 1 kHz, VREF = 5 V
    • THD: −123 dB at fIN = 1 kHz, −100 dB at fIN = 100 kHz
    • SINAD: 89 dB at fIN = 900 kHz (see Figure 17 in the data sheet)
    • Oversampled dynamic range
      • 104 dB for OSR = 2
      • 131 dB for OSR = 1024
  • Low power
    • Single 1.8 V supply operation with 1.71 V to 5.5 V logic interface
    • 2.7 mW at 500 kSPS (VDD only)
    • 83 μW at 10 kSPS, 15 mW at 1.8 MSPS (total power)
  • 10-lead packages: 3 mm × 3 mm LFCSP, 3 mm × 4.90 mm MSOP
  • Guaranteed operation: −40°C to +125°C
AD4022
20-Bit, 1.8 MSPS/1 MSPS/500 kSPS, Easy Drive, Differential SAR ADCs
AD4020-4021-4022-fbl AD4020-4021-4022-pc AD4020-4021-4022-pc1
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Software Resources


Hardware Ecosystem

Parts Product Life Cycle Description
Differential Amplifiers 2
ADA4940-1 PRODUCTION Ultralow Power, Low Distortion ADC Driver
ADA4932-1 RECOMMENDED FOR NEW DESIGNS Low Power Differential ADC Driver
Interface Transceivers & Isolators 2
ADUM141D RECOMMENDED FOR NEW DESIGNS

Robust, Quad Channel Isolator W/ Input Disable & 1 Reverse Channel

ADUM141E RECOMMENDED FOR NEW DESIGNS

Robust, Quad Channel Isolator W/ Output Enable & 1 Reverse Channel

Linear Regulators 2
ADP7118 RECOMMENDED FOR NEW DESIGNS 20 V, 200 mA, Low Noise, CMOS LDO Linear Regulator
ADP124 RECOMMENDED FOR NEW DESIGNS

5.5V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulator with 31 Fixed-output Voltages

Operational Amplifiers 8
ADA4807-1 RECOMMENDED FOR NEW DESIGNS

3.1 nV/√Hz, 1 mA, 180 MHz, Rail-to-Rail Input/Output Amplifier

ADA4897-1 RECOMMENDED FOR NEW DESIGNS 1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers
ADA4096-2 RECOMMENDED FOR NEW DESIGNS 30 V, Micropower, Overvoltage Protection, Rail-to-Rail Input/Output Dual Op Amplifier
ADA4692-2 PRODUCTION Low Power, 3.6 MHz, Low Noise, Rail-to-Rail Output, Operational Amplifiers
ADA4077-1 RECOMMENDED FOR NEW DESIGNS 4 MHz, 7 nV/√Hz, Low Offset and Drift, High Precision Single Amplifier
ADA4084-1 RECOMMENDED FOR NEW DESIGNS

30 V, Low Noise, Rail-to-Rail Input/Output, Low Power Operational Single Amplifier

ADA4610-1 RECOMMENDED FOR NEW DESIGNS

Low Noise, Precision, Rail-to-Rail Output, JFET Single Op Amp

AD8031 PRODUCTION 2.7 V, 800 µA, 80 MHz Rail-to-Rail I/O Single Amplifier
Switching Regulators & Controllers 1
ADP5300 PRODUCTION

50 mA/500 mA, High Efficiency, Ultralow Power Step-Down Regulator

Voltage References 11
ADR4550 RECOMMENDED FOR NEW DESIGNS Ultra-Low-Noise, High-Accuracy 5.0V Voltage Reference
ADR4540 RECOMMENDED FOR NEW DESIGNS Ultra-Low-Noise, High-Accuracy 4.096V Voltage Reference
ADR4533 RECOMMENDED FOR NEW DESIGNS Ultra-Low-Noise, High-Accuracy 3.3V Voltage Reference
ADR4525 RECOMMENDED FOR NEW DESIGNS Ultra-Low-Noise, High-Accuracy 2.5V Voltage Reference
ADR444 PRODUCTION Ultralow Noise, LDO XFET® 4.096V Voltage Reference w/Current Sink and Source
ADR445 PRODUCTION Ultralow Noise, LDO XFET® 5.0V Voltage Reference w/Current Sink and Source
ADR441 PRODUCTION Ultralow Noise, LDO XFET® 2.5V Voltage Reference w/Current Sink and Source
ADR3450 PRODUCTION Micro-Power, High-Accuracy 5.0V Voltage Reference
ADR3440 PRODUCTION Micro-Power, High-Accuracy 4.096V Voltage Reference
ADR3533 RECOMMENDED FOR NEW DESIGNS Micropower, Precision, Auto Qualified 3.3V Voltage Reference
ADR3525 RECOMMENDED FOR NEW DESIGNS Micropower, Precision, Auto Qualified 2.5V Voltage Reference
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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • AD4022

Precision ADC Driver Tool

The Precision ADC Driver Tool is a web application that simulates the performance of precision ADC and driver combinations. Potential issues with driver selection, kickback settling, and distortion are flagged, and design tradeoffs can be quickly evaluated. Simulations and calculations include system noise, distortion, and settling of the ADC input

Open Tool

AD4000 Series IBIS Models 2

  • ad4003_lfcsp.ibs
  • ad4003_msop.ibs
  • Signal Chain Designer - BETA

    Signal Chain Designer is a web-based tool designed to create and simulate complex precision signal chains. See your circuit’s performance before you commit to your PCB: transfer function, noise, power consumption, input range, and DC error. Quickly experiment with different parts and architectures. Signal chains can be exported to LTspice for further analysis.

    Open Tool
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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