Op Amp Single Precision Amplifier R-R I/O ±2.75V/5.5V 6-Pin SOT-23 T/R


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Overview of OPA320SAIDBVR

The OPA320SAIDBVR is a precision, low-power operational amplifier (op-amp) featuring high precision and low quiescent current, making it ideal for various precision instrumentation and sensor signal conditioning applications.


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

  • OUT: Output
  • IN-: Inverting Input
  • IN+: Non-Inverting Input
  • V+: Positive Power Supply
  • V-: Negative Power Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the OPA320SAIDBVR IC for a visual representation.

Key Features

  • Precision: Offers high precision with low offset voltage and low input bias current, ensuring accurate signal processing.
  • Low Quiescent Current: Features low quiescent current, making it suitable for battery-powered and portable applications.
  • Wide Supply Range: Operates from a single +1.8V to +5.5V supply, providing flexibility in various voltage configurations.
  • Low Noise: Provides low noise performance, enabling clear signal amplification in noise-sensitive applications.
  • Small Package: Available in a compact SOT-23 package, saving board space in compact designs.

Note: For detailed technical specifications, please refer to the OPA320SAIDBVR datasheet.


  • Precision Instrumentation: Ideal for precision instrumentation applications such as sensor signal conditioning and data acquisition.
  • Portable Devices: Suitable for use in battery-powered portable devices requiring precision signal amplification.
  • Medical Devices: Used in medical devices for accurate signal processing and measurement.


The OPA320SAIDBVR is a precision operational amplifier designed for accurate signal amplification in various applications. It offers low quiescent current and high precision, making it suitable for precision instrumentation and sensor signal conditioning.

Usage Guide

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

Frequently Asked Questions

Q: What is the maximum supply voltage for the OPA320SAIDBVR?
A: The OPA320SAIDBVR can operate with a maximum supply voltage of +5.5V.

Q: Is the OPA320SAIDBVR suitable for low-power applications?
A: Yes, the OPA320SAIDBVR features low quiescent current, making it suitable for low-power and battery-powered applications.


For similar functionalities, consider these alternatives to the OPA320SAIDBVR:

  • OPA333AIDBVT: A precision, low-power operational amplifier with similar characteristics and performance.
  • AD8605ARTZ-R2: This operational amplifier offers precision and low power consumption, suitable for similar applications.



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

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Vos (offset voltage at 25°C) (max) (mV) 0.15
GBW (typ) (MHz) 20 Features EMI Hardened, Shutdown, Zero Crossover
Slew rate (typ) (V/µs) 10 Rail-to-rail In, Out
Offset drift (typ) (µV/°C) 1.5 Iq per channel (typ) (mA) 1.45
Vn at 1 kHz (typ) (nV√Hz) 8.5 CMRR (typ) (dB) 114
Rating Catalog Operating temperature range (°C) -40 to 125
Input bias current (max) (pA) 0.9 Iout (typ) (A) 0.065
Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1
Input common mode headroom (to positive supply) (typ) (V) 0.1 Output swing headroom (to negative supply) (typ) (V) 0.01
Output swing headroom (to positive supply) (typ) (V) -0.01 THD + N at 1 kHz (typ) (%) 0.0005

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