• AD8331ARQZ QSOP-20
AD8331ARQZ QSOP-20

AD8331ARQZ

SP Amp Variable Gain Amp Single 5.5V 20-Pin QSOP Tube

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  • Part Number : AD8331ARQZ

  • Package/Case : QSOP-20

  • Brands : Analog Devices

  • Components Categories : Special Purpose Amplifiers

  • Datesheet : AD8331ARQZ DataSheet (PDF)

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Overview of AD8331ARQZ

The AD8331ARQZ is a complete variable gain amplifier designed for high-performance signal processing applications. This IC provides exceptional signal amplification capabilities with adjustable gain settings, making it ideal for a wide range of analog signal processing tasks.

Pinout

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

  • VPOS: Positive Power Supply
  • VNEG: Negative Power Supply
  • IN+: Non-Inverting Signal Input
  • IN-: Inverting Signal Input
  • OUT: Amplified Signal Output
  • GAINCTRL: Gain Control Pin
  • VGATE: Voltage Gate Pin
  • REFOUT: Reference Output Pin
  • REFIN: Reference Input Pin
  • COMP: Compensation Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AD8331ARQZ IC for a visual representation.

Key Features

  • Variable Gain Amplifier: The AD8331ARQZ offers adjustable gain settings for precise signal amplification control.
  • Wide Bandwidth: This IC provides a high bandwidth range, making it suitable for high-frequency signal processing applications.
  • Low Distortion: With low distortion characteristics, the AD8331ARQZ ensures accurate signal amplification without introducing unwanted artifacts.
  • High Linearity: The amplifier maintains high linearity across varying gain settings, preserving signal integrity.
  • Flexible Configuration: Various pins allow for versatile configuration options to meet different application requirements.

Note: For detailed technical specifications, please refer to the AD8331ARQZ datasheet.

Application

  • Signal Processing Systems: Ideal for use in signal processing systems that require variable gain amplification.
  • Communication Systems: Suitable for communication systems where signal amplification and control are critical.
  • Instrumentation: Used in instrumentation applications for precise signal amplification and conditioning.

Functionality

The AD8331ARQZ is a versatile variable gain amplifier that enables precise control over signal magnification. It delivers high performance and accuracy in signal processing tasks with its adjustable gain feature.

Usage Guide

  • Power Supply: Connect VPOS (Pin 1) and VNEG (Pin 2) to the positive and negative power supplies, respectively.
  • Signal Connections: Input the signal to be amplified through the IN+ (Pin 3) or IN- (Pin 4) inputs.
  • Gain Control: Adjust the gain settings using the GAINCTRL (Pin 5) pin to achieve the desired amplification level.

Frequently Asked Questions

Q: What is the bandwidth range of the AD8331ARQZ?
A: The AD8331ARQZ offers a wide bandwidth range suitable for high-frequency signal processing applications.

Q: Can the gain be adjusted dynamically during operation?
A: Yes, the AD8331ARQZ allows for dynamic gain adjustment through the GAINCTRL pin.

Equivalent

For similar functionalities, consider these alternatives to the AD8331ARQZ:

  • AD8370: This is a versatile variable gain amplifier from Analog Devices with similar performance characteristics.
  • LT1228: A precision variable gain amplifier IC from Linear Technology offering adjustable gain control for signal processing applications.

AD8331ARQZ

Specifications

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

Product Category Special Purpose Amplifiers RoHS Details
Series AD8331 Amplifier Type Variable Gain Amplifiers
Number of Channels 1 Channel GBP - Gain Bandwidth Product 120 MHz
SR - Slew Rate 650 V/us Supply Voltage - Max 5.5 V
Supply Voltage - Min 4.5 V Operating Supply Current 25 mA
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Mounting Style SMD/SMT Package / Case QSOP-20
Brand Analog Devices Development Kit AD8331-EVALZ
Height 1.65 mm Input Voltage Range - Max 5.5 V
Length 8.66 mm Maximum Input Resistance 200 Ohms
Operating Supply Voltage 5 V Pd - Power Dissipation 780 mW
Product Type Special Purpose Amplifiers PSRR - Power Supply Rejection Ratio - 68 dB
Factory Pack Quantity 56 Subcategory Amplifier ICs
Supply Type Single Voltage Gain dB 19 dB
Width 3.91 mm Unit Weight 0.008508 oz

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