Op Amp Single Precision Amplifier R-R I/O ±18V/36V Automotive 8-Pin VSSOP T/R


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Overview of OPA197QDGKRQ1

The OPA197QDGKRQ1 is a high-precision, low-noise, operational amplifier designed for automotive applications. This amplifier offers high accuracy and performance, making it suitable for various precision measurement and sensor applications in automotive systems.


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

  • VDD: Positive power supply
  • VSS: Negative power supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the OPA197QDGKRQ1 for a visual representation.

Key Features

  • High Precision: The OPA197QDGKRQ1 offers high precision and low offset voltage, ensuring accurate signal amplification.
  • Low Noise: With low noise characteristics, this operational amplifier is suitable for sensor signal conditioning and low-level signal amplification.
  • Wide Operating Voltage Range: Operates from a single +2.7V to +5.5V supply, making it compatible with automotive power systems.
  • Automotive Grade: Designed and qualified for automotive applications, the OPA197QDGKRQ1 meets the stringent requirements of automotive electronics.
  • Robust Performance: With high input impedance and low input bias current, this amplifier provides reliable performance in automotive sensor interfaces.

Note: For detailed technical specifications, please refer to the OPA197QDGKRQ1 datasheet.


  • Precision Measurement: Ideal for precision measuring instruments and sensor signal conditioning in automotive systems.
  • Automotive Sensor Interfaces: Suitable for amplifying and conditioning signals from various sensors in automotive applications.
  • Control Systems: Used in control systems for automotive subsystems requiring high-precision signal processing.


The OPA197QDGKRQ1 is a high-performance operational amplifier designed for reliable signal amplification and processing in automotive electronics. It provides precision and low-noise operation for critical sensor applications.

Usage Guide

  • Power Supply: Connect VDD (Pin 1) to the positive power supply and VSS (Pin 2) to the negative power supply.
  • Signal Connections: Input the signals to the +IN (Pin 3) and -IN (Pin 4) pins for amplification.
  • Output: Obtain the amplified signal from the OUT (Pin 5) pin of the amplifier.

Frequently Asked Questions

Q: Is the OPA197QDGKRQ1 suitable for automotive temperature range operating conditions?
A: Yes, the OPA197QDGKRQ1 is designed and tested for automotive temperature ranges, ensuring reliable performance in harsh environmental conditions.

Q: What is the typical gain bandwidth product of the OPA197QDGKRQ1?
A: The OPA197QDGKRQ1 has a typical gain bandwidth product of 10 MHz, providing ample bandwidth for various automotive signal processing applications.


For similar functionalities, consider these alternatives to the OPA197QDGKRQ1:

  • LM2904QDRQ1: A low-power dual operational amplifier designed for automotive applications from Texas Instruments.
  • AD8605Q: A precision CMOS operational amplifier with low input offset voltage suitable for automotive sensor interfaces.



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

Product Status Active Amplifier Type Precision Operational Amplifier
Output Type Rail-to-Rail Slew Rate 20V/µs
Gain Bandwidth Product 10 MHz Current - Input Bias 5 pA
Voltage - Input Offset 25 µV Current - Supply 1mA
Current - Output / Channel 65 mA Voltage - Supply Span (Min) 4.5 V
Voltage - Supply Span (Max) 36 V Operating Temperature -40°C ~ 125°C
Grade Automotive Qualification AEC-Q100
Mounting Type Surface Mount Package / Case VSSOP-8
Supplier Device Package 8-VSSOP Base Product Number OPA197
Manufacturer Texas Instruments Product Category Operational Amplifiers - Op Amps
RoHS Details Mounting Style SMD/SMT
Number of Channels 1 Channel Supply Voltage - Max 36 V
GBP - Gain Bandwidth Product 10 MHz Output Current per Channel 65 mA
SR - Slew Rate 20 V/us Vos - Input Offset Voltage 250 uV
Supply Voltage - Min 4.5 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Ib - Input Bias Current 20 pA
Operating Supply Current 100 mA Shutdown No Shutdown
CMRR - Common Mode Rejection Ratio 140 dB en - Input Voltage Noise Density 5.5 nV/sqrt Hz
Series OPA197-Q1 Brand Texas Instruments
Features EMI Hardened, High Cload Drive In - Input Noise Current Density 1.5 fA/sqrt Hz
Input Type Rail-to-Rail Ios - Input Offset Current 20 pA
Maximum Dual Supply Voltage +/- 18 V Minimum Dual Supply Voltage +/- 2.25 V
Moisture Sensitive Yes Product Operational Amplifiers
Product Type Op Amps - Operational Amplifiers Factory Pack Quantity 2500
Subcategory Amplifier ICs THD plus Noise 0.00008 %
Unit Weight 0.001023 oz

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