AD629AR
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Analog Devices Inc. AD629AR

Manufacturer No:
AD629AR
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC OPAMP DIFF 1 CIRCUIT 8SOIC
Delivery:
Payment:
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Product Introduction

Overview

The AD629AR, produced by Analog Devices Inc., is a high common-mode voltage difference amplifier designed for precision measurement of differential signals in the presence of high common-mode voltages. This device is particularly useful in applications where galvanic isolation is not required, allowing it to replace costly isolation amplifiers. The AD629AR operates over a ±270 V common-mode voltage range and features inputs protected from common-mode or differential mode transients up to ±500 V. It is available in 8-lead PDIP and 8-lead SOIC packages, ensuring performance over the industrial temperature range of −40°C to +85°C.

Key Specifications

Parameter Condition Min Typ Max Unit
Supply Voltage, VS ±2.5 V ±18 V V
Input Voltage Range, Continuous ±300 V V
Common-Mode Voltage Range −270 V +270 V V
Differential Mode Transients ±500 V V
Output Swing Vs = ±12 V ±10 V V
Power Supply Current 1 mA mA
Gain Nonlinearity 3 ppm ppm
Offset Drift TA = TMIN to TMAX 10 µV/°C µV/°C
Common-Mode Rejection Ratio (CMRR) @ 500 Hz 86 dB dB
Bandwidth 500 kHz kHz
Operating Temperature Range −40°C +85°C °C

Key Features

  • High common-mode voltage range up to ±270 V and input protection up to ±500 V common-mode or differential mode transients.
  • Low offset, low offset drift, low gain error drift, and low common-mode rejection drift.
  • Excellent common-mode rejection ratio (CMRR) of 86 dB at 500 Hz.
  • Wide power supply range from ±2.5 V to ±18 V and ±10 V output swing on ±12 V supply.
  • Low power supply current of 1 mA maximum.
  • Available in 8-lead PDIP and 8-lead SOIC packages.

Applications

  • High voltage current sensing.
  • Battery cell voltage monitoring.
  • Power supply current monitoring.
  • Motor control.
  • Isolation applications where galvanic isolation is not required).

Q & A

  1. What is the common-mode voltage range of the AD629AR?

    The AD629AR operates over a common-mode voltage range of ±270 V.

  2. What is the maximum differential mode transient the AD629AR can withstand?

    The AD629AR can withstand differential mode transients up to ±500 V).

  3. What is the typical power supply current of the AD629AR?

    The typical power supply current of the AD629AR is 1 mA).

  4. What is the bandwidth of the AD629AR?

    The bandwidth of the AD629AR is 500 kHz).

  5. What is the common-mode rejection ratio (CMRR) of the AD629AR at 500 Hz?

    The CMRR of the AD629AR at 500 Hz is 86 dB).

  6. In what temperature range does the AD629AR operate?

    The AD629AR operates over the industrial temperature range of −40°C to +85°C).

  7. What are the typical applications of the AD629AR?

    The AD629AR is typically used in high voltage current sensing, battery cell voltage monitoring, power supply current monitoring, motor control, and isolation applications where galvanic isolation is not required).

  8. What are the available package types for the AD629AR?

    The AD629AR is available in 8-lead PDIP and 8-lead SOIC packages).

  9. What is the output swing of the AD629AR on a ±12 V supply?

    The output swing of the AD629AR on a ±12 V supply is ±10 V).

  10. Does the AD629AR have built-in ESD protection?

    Yes, the AD629AR features proprietary ESD protection circuitry, but proper ESD precautions are still recommended to avoid performance degradation or loss of functionality).

Product Attributes

Amplifier Type:Differential
Number of Circuits:1
Output Type:- 
Slew Rate:2.1V/µs
Gain Bandwidth Product:- 
-3db Bandwidth:500 kHz
Current - Input Bias:- 
Voltage - Input Offset:200 µV
Current - Supply:900µA
Current - Output / Channel:25 mA
Voltage - Supply Span (Min):5 V
Voltage - Supply Span (Max):36 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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Similar Products

Part Number AD629AR AD629ARZ AD629BR AD621AR AD622AR AD623AR AD626AR AD627AR AD629AN
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.
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Amplifier Type Differential Differential Differential Instrumentation Instrumentation Instrumentation Differential Instrumentation Differential
Number of Circuits 1 1 1 1 1 1 1 1 1
Output Type - - - - - Rail-to-Rail - Rail-to-Rail -
Slew Rate 2.1V/µs 2.1V/µs 2.1V/µs 1.2V/µs 1.2V/µs 0.3V/µs 0.22V/µs 0.06V/µs 2.1V/µs
Gain Bandwidth Product - - - - - - - - -
-3db Bandwidth 500 kHz 500 kHz 500 kHz 800 kHz 1 MHz 800 kHz 100 kHz 80 kHz 500 kHz
Current - Input Bias - - - 500 pA 2 nA 17 nA - 2 nA -
Voltage - Input Offset 200 µV 200 µV 100 µV 75 µV 60 µV 25 µV 50 µV 50 µV 200 µV
Current - Supply 900µA 900µA 900µA 900µA 900µA 375µA 1.5mA 60µA 900µA
Current - Output / Channel 25 mA 25 mA 25 mA 18 mA 18 mA - 12 mA 25 mA 25 mA
Voltage - Supply Span (Min) 5 V 5 V 5 V 4.6 V 5.2 V 2.7 V 2.4 V 2.2 V 5 V
Voltage - Supply Span (Max) 36 V 36 V 36 V 36 V 36 V 12 V 12 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
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole
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-DIP (0.300", 7.62mm)
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-PDIP

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