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AD8021ARZ +BOM

Operational amplifier with precision

AD8021ARZ Information

Description

The AD8021ARZ is a voltage feedback amplifier from Analog Devices Inc., designed for high-speed signal conditioning, differential signal processing, and other applications. It features low noise, custom compensation, high speed, low power, and low distortion. The amplifier has a wide supply range of 5V to 24V and is available in SOIC-8 and MSOP-8 packages. The AD8021ARZ offers a constant bandwidth from G = -1 to G = -10, making it suitable for applications requiring precise gain control. It also features low input offset voltage (1mV max) and drift (0.5µV/°C). With its high speed (200MHz at G = -1), low power consumption (34mW or 6.7mA typ), and small packaging, the AD8021ARZ is an excellent choice for a wide range of applications, including instrumentation amplifiers, data acquisition systems, and precision voltage-controlled amplifiers.

Features

The AD8021ARZ features:

  • Low noise: 2.1 nV/√Hz input voltage noise, 2.1 pA/√Hz input current noise
  • Custom compensation: Constant bandwidth from G = -1 to G = -10
  • High speed: 200 MHz (G = -1), 190 MHz (G = -10)
  • Low power: 34 mW or 6.7 mA typ for 5 V supply
  • Low distortion: -93 dBc second harmonic, fc = 1 MHz; -108 dBc third harmonic, fc = 1 MHz
  • DC precision: 1 mV max input offset voltage, 0.5 µV/°C input offset voltage drift
  • Wide supply range: 5 V to 24 V
  • Low price and small packaging in SOIC-8 and MSOP-8

Package

The package type of AD8021ARZ is SOP8 (Small Outline Package, 8 pins).

Pinout

The AD8021ARZ is an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout is as follows:

  • Pin 1: VCC (Positive Supply)
  • Pin 2: OUT (Output)
  • Pin 3: IN- (Inverting Input)
  • Pin 4: IN+ (Non-Inverting Input)
  • Pin 5: GND (Ground)
  • Pin 6: COMP (Compensation Pin)
  • Pin 7: FB (Feedback Pin)
  • Pin 8: VEE (Negative Supply)

This voltage feedback amplifier is designed for high-speed signal conditioning, differential signal processing, and other applications.

Manufacturer

The manufacturer of the AD8021ARZ is Analog Devices Inc., a leading global semiconductor company that specializes in designing, manufacturing, and marketing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).

Applications

The AD8021ARZ is suitable for high-speed signal conditioning, differential signal processing, instrumentation amplifiers, data acquisition systems, high-performance audio applications, precision voltage-controlled amplifiers, and RF/IF signal processing circuits. Its low noise, high speed, and low distortion make it an excellent choice for a wide range of applications where precise amplification is required.

Equivalent

Based on the features and specifications of AD8021ARZ, equivalent products could be:

  • Texas Instruments OPA657
  • National Semiconductor LM833
  • STMicroelectronics TLE2420
  • Maxim Integrated MAX4413

These amplifiers share similar characteristics such as low noise, high speed, and precision voltage control. However, please note that each product has its unique features and may not be an exact equivalent.

Specifications

Category Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps Amplifier Type Voltage Feedback
Number of Circuits 1 Output Type -
Slew Rate 460V/µs -3db Bandwidth 560 MHz
Current - Input Bias 7.5 µA Voltage - Input Offset 400 µV
Current - Supply 7.8mA Current - Output / Channel 70 mA
Voltage - Supply Span (Min) 4.5 V Voltage - Supply Span (Max) 24 V
Operating Temperature -40°C ~ 85°C Mounting Type Surface Mount
Base Product Number AD8021 Package/Case SOP8

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Ratings and Reviews

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A
A**e 07/09/2021

always nice to work with Andre

4
B
B**n 12/08/2020

The seller put an extra buzzer as a gift, a little smaller.

9
C
C**n 11/30/2020

Juan great to deal with, top pricing and ships same day. will always call when they show

18

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AD8021ARZ Datasheet PDF

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