AD8628AUJZ-R2
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Analog Devices Inc. AD8628AUJZ-R2

Manufacturer No:
AD8628AUJZ-R2
Manufacturer:
Analog Devices Inc.
Package:
Tape & Reel (TR)
Description:
IC OPAMP ZERO-DRIFT 1 CIRC TSOT5
Delivery:
Payment:
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Product Introduction

Overview

The AD8628AUJZ-R2 is a high-precision, single-supply, rail-to-rail input and output operational amplifier produced by Analog Devices Inc. This device is part of the AD8628/AD8629/AD8630 family, known for its ultralow offset voltage, low drift, and low noise characteristics. It is designed to operate with a single supply voltage ranging from 2.7 V to 5 V, making it versatile for various linear circuits and systems. The AD8628AUJZ-R2 is particularly suited for applications requiring high accuracy and low noise, such as in medical equipment, position and pressure sensors, and strain gage amplifiers.

Key Specifications

Parameter Symbol Conditions Min Typ Max Unit
Offset Voltage VOS −40°C ≤ TA ≤ +125°C 1 5 10 µV
Input Bias Current IB −40°C ≤ TA ≤ +125°C 30 100 300 pA
Input Offset Current IOS −40°C ≤ TA ≤ +125°C 50 200 250 pA
Common-Mode Rejection Ratio CMRR VCM = 0 V to 5 V, −40°C ≤ TA ≤ +125°C 115 130 dB
Large Signal Voltage Gain AVO RL = 10 kΩ, VO = 0.3 V to 4.7 V, −40°C ≤ TA ≤ +125°C 120 135 dB
Offset Voltage Drift ∆VOS/∆T −40°C ≤ TA ≤ +125°C 0.002 0.02 µV/°C
Supply Current per Amplifier ISY VO = VS/2, −40°C ≤ TA ≤ +125°C 0.85 1.1 mA
Operating Temperature Range TA −40 125 °C

Key Features

  • Low Offset Voltage: Typically 1 µV, ensuring high accuracy in applications.
  • Low Drift: Offset voltage drift of less than 0.005 µV/°C, maintaining precision over a wide temperature range.
  • Low Noise: Voltage noise of 0.5 µV p-p (0.1 Hz to 10 Hz), suitable for sensitive measurement applications.
  • Rail-to-Rail Input and Output Swing: Allows for full utilization of the supply voltage range, reducing input biasing complexity and maximizing signal-to-noise ratio (SNR).
  • High Gain, CMRR, and PSRR: High common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR) of up to 130 dB, ensuring robust performance in noisy environments.
  • Low Input Bias Current: Maximum input bias current of 100 pA, minimizing errors in high-impedance circuits.
  • Low Supply Current: Typical supply current of 1.0 mA per amplifier, making it power-efficient.
  • No External Capacitor Required: Simplifies circuit design and reduces component count.

Applications

  • Medical Equipment: Ideal for medical devices requiring high precision and low noise.
  • Position and Pressure Sensors: Suitable for applications where precise measurement is critical.
  • Strain Gage Amplifiers: Enhances the accuracy of strain gage measurements in various industrial and scientific applications.
  • High-Precision Instrumentation: Used in instrumentation amplifiers, data acquisition systems, and other high-precision measurement circuits.

Q & A

  1. What is the typical offset voltage of the AD8628AUJZ-R2?

    The typical offset voltage is 1 µV.

  2. What is the operating temperature range of the AD8628AUJZ-R2?

    The operating temperature range is from −40°C to +125°C.

  3. What is the common-mode rejection ratio (CMRR) of the AD8628AUJZ-R2?

    The CMRR is up to 130 dB.

  4. Does the AD8628AUJZ-R2 require an external capacitor for operation?

    No, it does not require an external capacitor.

  5. What is the maximum input bias current of the AD8628AUJZ-R2?

    The maximum input bias current is 100 pA.

  6. What is the typical supply current per amplifier for the AD8628AUJZ-R2?

    The typical supply current per amplifier is 1.0 mA.

  7. What are some common applications of the AD8628AUJZ-R2?

    Common applications include medical equipment, position and pressure sensors, strain gage amplifiers, and high-precision instrumentation.

  8. What is the voltage noise of the AD8628AUJZ-R2?

    The voltage noise is 0.5 µV p-p (0.1 Hz to 10 Hz).

  9. What is the slew rate of the AD8628AUJZ-R2?

    The slew rate is 1.0 V/µs.

  10. What is the gain bandwidth product (GBP) of the AD8628AUJZ-R2?

    The gain bandwidth product is 2.5 MHz.

Product Attributes

Amplifier Type:Zero-Drift
Number of Circuits:1
Output Type:Rail-to-Rail
Slew Rate:1V/µs
Gain Bandwidth Product:2.5 MHz
-3db Bandwidth:- 
Current - Input Bias:30 pA
Voltage - Input Offset:1 µV
Current - Supply:850µA
Current - Output / Channel:30 mA
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):5 V
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:SOT-23-5 Thin, TSOT-23-5
Supplier Device Package:TSOT-23-5
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Similar Products

Part Number AD8628AUJZ-R2 AD8628AUJ-R2
Manufacturer Analog Devices Inc. Analog Devices Inc.
Product Status Discontinued at Digi-Key Obsolete
Amplifier Type Zero-Drift Chopper (Zero-Drift)
Number of Circuits 1 1
Output Type Rail-to-Rail Rail-to-Rail
Slew Rate 1V/µs 1V/µs
Gain Bandwidth Product 2.5 MHz 2.5 MHz
-3db Bandwidth - 2.5 MHz
Current - Input Bias 30 pA 30 pA
Voltage - Input Offset 1 µV 1 µV
Current - Supply 850µA 850µA
Current - Output / Channel 30 mA 30 mA
Voltage - Supply Span (Min) 2.7 V 2.7 V
Voltage - Supply Span (Max) 5 V 5 V
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Package / Case SOT-23-5 Thin, TSOT-23-5 SOT-23-5 Thin, TSOT-23-5
Supplier Device Package TSOT-23-5 TSOT-23-5

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