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200MHz operational amplifiers


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Overview of AD8051ARZ

The AD8051ARZ is a high-speed voltage feedback amplifier with a bandwidth of 300MHz, designed for precision operational amplifier applications. This amplifier offers low distortion and high slew rate, making it suitable for a wide range of signal processing and control applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • V-: Negative power supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AD8051ARZ amplifier for better understanding.

Key Features

  • High Bandwidth: The AD8051ARZ offers a bandwidth of 300MHz, enabling high-speed signal processing.
  • Low Distortion: This amplifier provides low distortion for accurate signal amplification.
  • High Slew Rate: With a high slew rate, the AD8051ARZ can quickly respond to input signal changes.
  • Wide Supply Voltage Range: Operates with a wide supply voltage range, making it adaptable to various systems.
  • Precision Amplification: Designed for precision applications requiring high-quality amplification.

Note: For detailed technical specifications, please refer to the AD8051ARZ datasheet.


  • Signal Conditioning: Ideal for signal conditioning in sensor interface and measurement applications.
  • Instrumentation Amplifier: Suitable for building precision instrumentation amplifiers for accurate signal processing.
  • Active Filters: Used in active filter designs to achieve high-frequency signal processing.


The AD8051ARZ voltage feedback amplifier delivers high-speed, low-distortion amplification essential for precision signal processing applications. It ensures accurate signal reproduction and control in various electronic systems.

Usage Guide

  • Power Supply: Connect +VS (Pin 2) to the positive power supply and V- (Pin 4) to the negative power supply.
  • Input Connections: Apply input signals to the +IN (Pin 3) and -IN (Pin 1) pins for amplification.
  • Output: The amplified output signal is available at the +OUT (Pin 5) pin.

Frequently Asked Questions

Q: What is the bandwidth of the AD8051ARZ?
A: The AD8051ARZ offers a bandwidth of 300MHz, suitable for high-speed signal processing applications.

Q: Is the AD8051ARZ suitable for audio applications?
A: Yes, the AD8051ARZ can be used in audio applications requiring high-speed and low-distortion amplification.


For alternatives with similar functionalities, consider:

  • OPA211: A precision operational amplifier with comparable performance to the AD8051ARZ from Texas Instruments.
  • LT6234: High-speed voltage feedback amplifier with low noise characteristics, suitable for precision applications.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category High Speed Operational Amplifiers RoHS Details
Series AD8051 Number of Channels 1 Channel
SR - Slew Rate 145 V/us Voltage Gain dB 98 dB
CMRR - Common Mode Rejection Ratio 88 dB Output Current per Channel 45 mA
Ib - Input Bias Current 3.25 uA Vos - Input Offset Voltage 1.7 mV
Supply Voltage - Max 12 V Supply Voltage - Min 3 V
Operating Supply Current 4.4 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Mounting Style SMD/SMT
Package / Case SOIC-8 Amplifier Type Voltage Feedback
Brand Analog Devices Development Kit AD8051AR-EBZ
en - Input Voltage Noise Density 16 nV/sqrt Hz Height 1.75 mm
Length 5 mm Maximum Dual Supply Voltage +/- 6 V
Minimum Dual Supply Voltage +/- 1.5 V Operating Supply Voltage 3 V to 12 V
Output Type Rail-to-Rail Product Operational Amplifiers
Product Type Op Amps - High Speed Operational Amplifiers PSRR - Power Supply Rejection Ratio 80 dB
Settling Time 50 ns Shutdown No Shutdown
Factory Pack Quantity 98 Subcategory Amplifier ICs
Supply Type Single, Dual Topology Voltage Feedback
Width 4 mm Unit Weight 0.019048 oz

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