AD8422ARMZ
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Analog Devices Inc. AD8422ARMZ

Manufacturer No:
AD8422ARMZ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC INST AMP 1 CIRCUIT 8MSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD8422ARMZ is a high-performance, low-power, rail-to-rail precision instrumentation amplifier produced by Analog Devices Inc. This amplifier is designed to deliver exceptional performance per unit microampere, making it ideal for applications requiring high precision and low power consumption. It is the third generation development of the industry-standard AD620, leveraging new process technologies and design techniques to achieve higher dynamic range and lower errors while consuming less than one-third of the power of its predecessors.

Key Specifications

Parameter Min Typ Max Unit
Quiescent Current 368 µA
Input Voltage Noise at 1 kHz 8 nV/√Hz
RTI Noise (G = 100) 0.15 µV p-p
Nonlinearity (G = 1, RL = 2 kΩ) 0.5 5 ppm
CMRR at 10 kHz (G = 1) 80 dB
Bandwidth (G = 1) 2.2 MHz
Input Offset Drift 0.3 µV/°C
Input Bias Current 0.5 nA
Supply Voltage Range 4.6 36 V (Single Supply)
Supply Voltage Range ±2.3 ±18 V (Dual Supply)
Gain Range 1 1000 V/V
Operating Temperature Range -40 85 °C

Key Features

  • Low power consumption: Maximum quiescent current of 368 µA.
  • Rail-to-rail output.
  • Low noise and distortion: 8 nV/√Hz maximum input voltage noise at 1 kHz and 0.15 µV p-p RTI noise (G = 100).
  • Excellent ac specifications: 80 dB minimum CMRR at 10 kHz (G = 1) and 2.2 MHz bandwidth (G = 1).
  • High precision dc performance: 0.04% maximum gain error (G = 1000) and 0.5 ppm nonlinearity with 2 kΩ load (G = 1).
  • Wide supply range: 4.6 V to 36 V single supply and ±2.3 V to ±18 V dual supply.
  • Input overvoltage protection: 40 V from opposite supply.
  • Robust input protection without sacrificing noise performance.
  • Error-free operation with high source impedance.

Applications

  • Medical instrumentation.
  • Industrial process controls.
  • Strain gauges.
  • Transducer interfaces.
  • Precision data acquisition systems.
  • Channel-isolated systems.
  • Portable instrumentation.

Q & A

  1. What is the maximum quiescent current of the AD8422ARMZ?

    The maximum quiescent current is 368 µA.

  2. What is the input voltage noise at 1 kHz for the AD8422ARMZ?

    The input voltage noise at 1 kHz is 8 nV/√Hz.

  3. What is the CMRR at 10 kHz for a gain of 1?

    The CMRR at 10 kHz for a gain of 1 is 80 dB.

  4. What is the bandwidth of the AD8422ARMZ for a gain of 1?

    The bandwidth for a gain of 1 is 2.2 MHz.

  5. What is the input offset drift of the AD8422ARMZ?

    The input offset drift is 0.3 µV/°C.

  6. What is the input bias current of the AD8422ARMZ?

    The input bias current is 0.5 nA.

  7. What is the supply voltage range for the AD8422ARMZ?

    The supply voltage range is 4.6 V to 36 V for single supply and ±2.3 V to ±18 V for dual supply.

  8. What is the gain range of the AD8422ARMZ?

    The gain range is from 1 to 1000.

  9. What are some common applications of the AD8422ARMZ?

    Common applications include medical instrumentation, industrial process controls, strain gauges, transducer interfaces, precision data acquisition systems, channel-isolated systems, and portable instrumentation.

  10. What is the operating temperature range of the AD8422ARMZ?

    The operating temperature range is from -40°C to 85°C.

Product Attributes

Amplifier Type:Instrumentation
Number of Circuits:1
Output Type:Rail-to-Rail
Slew Rate:0.8V/µs
Gain Bandwidth Product:- 
-3db Bandwidth:2.2 MHz
Current - Input Bias:500 pA
Voltage - Input Offset:70 µV
Current - Supply:300µA
Current - Output / Channel:20 mA
Voltage - Supply Span (Min):4.6 V
Voltage - Supply Span (Max):36 V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-MSOP
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Similar Products

Part Number AD8422ARMZ AD8422BRMZ AD8422ARZ AD8420ARMZ AD8421ARMZ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Active
Amplifier Type Instrumentation Instrumentation Instrumentation Instrumentation Instrumentation
Number of Circuits 1 1 1 1 1
Output Type Rail-to-Rail Rail-to-Rail Rail-to-Rail Rail-to-Rail -
Slew Rate 0.8V/µs 0.8V/µs 0.8V/µs 1V/µs 35V/µs
Gain Bandwidth Product - - - - -
-3db Bandwidth 2.2 MHz 2.2 MHz 2.2 MHz 250 kHz 10 MHz
Current - Input Bias 500 pA 200 pA 500 pA 20 nA 1 nA
Voltage - Input Offset 70 µV 50 µV 60 µV 250 µV 60 µV
Current - Supply 300µA 300µA 300µA 85µA 2mA
Current - Output / Channel 20 mA 20 mA 20 mA 10 mA 65 mA
Voltage - Supply Span (Min) 4.6 V 4.6 V 4.6 V 2.7 V 5 V
Voltage - Supply Span (Max) 36 V 36 V 36 V 36 V 36 V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-MSOP 8-MSOP 8-SOIC 8-MSOP 8-MSOP

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