Operational Amplifiers - Op Amps Automotive-grade, quad, 36-V, 10-MHz, low-power operational amplifier 14-TSSOP -40 to 125


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  • Part Number : OPA4172AQPWRQ1

  • Package/Case : TSSOP-14

  • Brands : TI

  • Components Categories : Instrumentation, OP Amps, Buffer Amps

  • Datesheet : OPA4172AQPWRQ1 DataSheet (PDF)

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Overview of OPA4172AQPWRQ1

The OPA4172AQPWRQ1 is a dual-channel, precision, low-noise operational amplifier designed for automotive applications. This IC offers high precision and low noise, making it ideal for signal conditioning in automotive sensor interfaces and other sensitive circuits.


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

  • V+ : Positive Power Supply
  • V- : Negative Power Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the OPA4172AQPWRQ1 IC for a visual representation.

Key Features

  • Dual-Channel Precision Op-Amp: Provides two independent channels for high-precision signal processing.
  • Low Noise: The OPA4172AQPWRQ1 offers low noise performance, making it suitable for noise-sensitive applications.
  • Wide Operating Voltage Range: Operates from a wide supply voltage range, enabling flexibility in different automotive systems.
  • High Gain Bandwidth Product: Features a high gain bandwidth product for enhanced signal processing capabilities.
  • Automotive Qualified: Designed and tested for automotive applications, ensuring reliability in harsh automotive environments.

Note: For detailed technical specifications, please refer to the OPA4172AQPWRQ1 datasheet.


  • Automotive Sensor Interfaces: Ideal for signal conditioning in automotive sensor interfaces, providing accurate and stable amplification.
  • Automotive Control Systems: Suitable for use in automotive control systems requiring precision signal processing.
  • Signal Conditioning: Used in various signal conditioning applications where precision and low noise are critical.


The OPA4172AQPWRQ1 is a dual-channel operational amplifier designed for precise signal amplification in automotive applications. It offers high accuracy and low noise performance, making it an excellent choice for automotive signal conditioning.

Usage Guide

  • Power Supply: Connect V+ (Pin 1) and V- (Pin 2) to the positive and negative power supplies, respectively.
  • Input Connections: Connect the signal inputs to the respective non-inverting and inverting input pins for each channel.
  • Output Connections: Take output signals from the OUT1 (Pin 5) and OUT2 (Pin 11) pins for Channel 1 and Channel 2, respectively.

Frequently Asked Questions

Q: Is the OPA4172AQPWRQ1 suitable for automotive temperature sensing applications?
A: Yes, the OPA4172AQPWRQ1 is designed for automotive applications and can be used effectively in temperature sensing circuits.

Q: What is the typical noise performance of the OPA4172AQPWRQ1?
A: The OPA4172AQPWRQ1 offers low noise performance, with noise specifications provided in the datasheet for detailed information.


For similar functionalities, consider these alternatives to the OPA4172AQPWRQ1:

  • OPA2192AIDGKRQ1: A dual-channel, precision op-amp designed for automotive applications with similar performance characteristics.
  • LMV772Q1: This is a low-power, precision op-amp specifically designed for automotive systems, providing high accuracy and reliability.



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

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Rail-to-rail In to V-, Out
GBW (typ) (MHz) 10 Slew rate (typ) (V/µs) 10
Vos (offset voltage at 25°C) (max) (mV) 1 Iq per channel (typ) (mA) 1.6
Vn at 1 kHz (typ) (nV√Hz) 7 Rating Automotive
Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 0.3
Input bias current (max) (pA) 15 CMRR (typ) (dB) 120
Iout (typ) (A) 0.075 Architecture CMOS
Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) -2
Output swing headroom (to negative supply) (typ) (V) 0.01 Output swing headroom (to positive supply) (typ) (V) -0.01

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