AD623AR-REEL
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Analog Devices Inc. AD623AR-REEL

Manufacturer No:
AD623AR-REEL
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC INST AMP 1 CIRCUIT 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The AD623AR-REEL, produced by Analog Devices Inc., is an integrated single- or dual-supply instrumentation amplifier. It is designed to deliver rail-to-rail output swing using supply voltages from 2.7 V to 12 V. This amplifier offers superior user flexibility with single gain set resistor programming and conforms to the 8-lead industry standard pinout configuration. The AD623AR-REEL is ideal for applications requiring high accuracy, low power consumption, and a wide input common-mode range. It is particularly suited for battery-powered devices due to its low power consumption and rail-to-rail output swing, which maximizes the dynamic range when operating from low supply voltages.

Key Specifications

Parameter Min Typ Max Unit
Supply Voltage 2.7 - 12 V
Gain Error (G = 1) - 0.10% - %
Gain Error (G > 1) - 0.35% - %
Input Offset Voltage (AD623A) - 200 - μV
Input Offset Voltage (AD623B) - 100 - μV
Input Bias Current - 25 - nA
Noise (RTI) at 1 kHz - 35 - nV/√Hz
Bandwidth (G = 1) - 800 kHz - kHz
Settling Time to 0.01% (G = 10) - 20 μs - μs
Quiescent Current (Single Supply) - 480 - μA
Operating Temperature Range -40 - 85 °C

Key Features

  • Single or Dual Supply Operation: The AD623 can operate from a single supply (3 V to 12 V) or dual supplies (±2.5 V to ±6 V).
  • Rail-to-Rail Output Swing: Maximizes the dynamic range when operating from low supply voltages.
  • High Accuracy DC Performance: 0.10% gain error at G = 1 and 0.35% gain error at G > 1.
  • Low Power Consumption: Maximum quiescent current of 550 μA.
  • Gain Set with One External Resistor: Programmable gains from 1 to 1000 using a single external resistor.
  • Wide Input Common-Mode Range: Can amplify signals with common-mode voltages as low as 150 mV below ground.
  • High CMRR: Minimum CMRR of 70 dB at G = 1 and 90 dB at G = 10 at 60 Hz with 1 kΩ source imbalance.
  • Fast Settling Time: 20 μs settling time to 0.01% for G = 10.

Applications

  • Low Power Medical Instrumentation: Suitable for medical devices requiring low power and high accuracy.
  • Transducer Interfaces: Ideal for interfacing with various transducers due to its high CMRR and wide input common-mode range.
  • Thermocouple Amplifiers: Used in thermocouple applications where high accuracy and low noise are critical.
  • Industrial Process Controls: Applicable in industrial settings for process control and monitoring.
  • Difference Amplifiers: Can be used as a difference amplifier in various signal processing applications.
  • Low Power Data Acquisition: Suitable for data acquisition systems that require low power consumption and high accuracy.

Q & A

  1. What is the supply voltage range for the AD623?

    The AD623 can operate from a single supply of 2.7 V to 12 V or dual supplies of ±2.5 V to ±6 V.

  2. How is the gain set for the AD623?

    The gain is set using a single external resistor, allowing gains from 1 to 1000.

  3. What is the maximum quiescent current of the AD623?

    The maximum quiescent current is 550 μA.

  4. What is the input offset voltage of the AD623A and AD623B?

    The input offset voltage is 200 μV for the AD623A and 100 μV for the AD623B.

  5. What is the bandwidth of the AD623 at unity gain?

    The bandwidth at unity gain is 800 kHz.

  6. What is the settling time of the AD623 to 0.01% at G = 10?

    The settling time is 20 μs.

  7. What is the common-mode rejection ratio (CMRR) of the AD623?

    The CMRR is a minimum of 70 dB at G = 1 and 90 dB at G = 10 at 60 Hz with 1 kΩ source imbalance.

  8. Can the AD623 operate with common-mode voltages below ground?

    Yes, the AD623 can amplify signals with common-mode voltages as low as 150 mV below ground.

  9. What are some typical applications of the AD623?

    Typical applications include low power medical instrumentation, transducer interfaces, thermocouple amplifiers, industrial process controls, difference amplifiers, and low power data acquisition.

  10. How does the AD623 handle line noise and harmonics?

    The AD623 rejects line noise and harmonics due to its high CMRR, which remains constant up to 200 Hz.

Product Attributes

Amplifier Type:Instrumentation
Number of Circuits:1
Output Type:Rail-to-Rail
Slew Rate:0.3V/µs
Gain Bandwidth Product:- 
-3db Bandwidth:800 kHz
Current - Input Bias:17 nA
Voltage - Input Offset:25 µV
Current - Supply:375µA
Current - Output / Channel:- 
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):12 V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
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Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Amplifier Type Instrumentation Instrumentation Differential Current Sense Instrumentation Instrumentation Differential Variable Gain Instrumentation Instrumentation
Number of Circuits 1 1 1 1 1 1 1 1 1 1
Output Type Rail-to-Rail Rail-to-Rail - - Rail-to-Rail Rail-to-Rail - - - -
Slew Rate 0.3V/µs 0.3V/µs 0.22V/µs 0.3V/µs 0.3V/µs 0.06V/µs 2.1V/µs 275V/µs 1.2V/µs 1.2V/µs
Gain Bandwidth Product - - - - - - - - - -
-3db Bandwidth 800 kHz 800 kHz 100 kHz 600 kHz 800 kHz 80 kHz 500 kHz 90 MHz 1 MHz 1 MHz
Current - Input Bias 17 nA 17 nA - 1.5 nA 17 nA 2 nA - 200 nA 500 pA 2 nA
Voltage - Input Offset 25 µV 25 µV 50 µV 150 µV 25 µV 50 µV 200 µV - 30 µV 60 µV
Current - Supply 375µA 375µA 1.5mA 1.6mA 375µA 60µA 900µA 12.5mA 900µA 900µA
Current - Output / Channel - - 12 mA - - 25 mA 25 mA 50 mA 18 mA 18 mA
Voltage - Supply Span (Min) 2.7 V 2.7 V 2.4 V 4.5 V 2.7 V 2.2 V 5 V 9.5 V 4.6 V 5.2 V
Voltage - Supply Span (Max) 12 V 12 V 12 V 36 V 12 V 36 V 36 V 12.6 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 -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 Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC

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