• LM2904LVQDRQ1 SOIC (D)-8


Features an ultra-low offset voltage of 3 millivolts for accurate signal processing


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Overview of LM2904LVQDRQ1

The LM2904LVQDRQ1 is a dual operational amplifier IC specifically designed for automotive applications.This IC features low-voltage operation and enhanced EMI performance,making it suitable for automotive electronics where reliability and efficiency are critical.


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

  • VCC+:Positive Power Supply
  • VCC-:Negative Power Supply
  • OUT1:Output for Operational Amplifier 1
  • -IN1:Inverting Input for Operational Amplifier 1
  • +IN1:Non-Inverting Input for Operational Amplifier 1
  • NC:No Connection
  • OUT2:Output for Operational Amplifier 2
  • -IN2:Inverting Input for Operational Amplifier 2
  • +IN2:Non-Inverting Input for Operational Amplifier 2
  • NC:No Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM2904LVQDRQ1 IC for a visual representation.

Key Features

  • Dual Operational Amplifiers:The LM2904LVQDRQ1 contains two independent operational amplifiers in a single package,enabling versatile signal processing capabilities.
  • Low-Voltage Operation:Designed to operate at low voltage levels,this IC is suitable for automotive systems with stringent power requirements.
  • Enhanced EMI Performance:Features improved electromagnetic interference (EMI) performance,ensuring reliable operation in automotive environments with high noise levels.
  • Wide Temperature Range:Operates effectively across a wide temperature range,making it suitable for automotive applications exposed to varying temperatures.

Note:For detailed technical specifications,please refer to the LM2904LVQDRQ1 datasheet.


  • Automotive Electronics:Ideal for use in automotive electronic systems,such as engine control units,sensors,and power management modules.
  • Audio Systems:Suitable for signal processing in automotive audio systems,providing amplification and filtering functionalities.
  • Sensor Interfaces:The LM2904LVQDRQ1 can be used in sensor interfaces within automotive applications for signal conditioning and processing.


The LM2904LVQDRQ1 is a dual operational amplifier IC that provides reliable signal processing capabilities for automotive electronics.Its low-voltage operation and enhanced EMI performance make it a robust solution for automotive signal processing needs.

Usage Guide

  • Power Supply:Connect VCC+ (Pin 1) to the positive power supply and VCC- (Pin 2) to the negative power supply.
  • Input Connections:Apply input signals to the respective non-inverting and inverting input pins for each operational amplifier.
  • Output:Obtain the amplified output signals from the output pins of the operational amplifiers.

Frequently Asked Questions

Q:What is the typical supply voltage range for the LM2904LVQDRQ1?
A:The LM2904LVQDRQ1 typically operates within a supply voltage range of +2.7V to +5.5V.

Q:Does the LM2904LVQDRQ1 meet automotive-grade requirements?
A:Yes,the LM2904LVQDRQ1 is designed to meet automotive-grade specifications,ensuring reliability and performance in automotive applications.


For similar functionalities,consider these alternatives to the LM2904LVQDRQ1:

  • LM358N:Another dual operational amplifier IC suitable for automotive and general-purpose applications,offering comparable performance to the LM2904LVQDRQ1.
  • MC33078:This dual operational amplifier IC provides high-quality audio performance and is suitable for automotive audio applications.



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

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Rail-to-rail In to V-
GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 1.5
Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.09
Vn at 1 kHz (typ) (nV√Hz) 40 Rating Automotive
Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 4
Features Cost Optimized, EMI Hardened, Standard Amps CMRR (typ) (dB) 92
Iout (typ) (A) 0.04 Architecture CMOS
Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) -1
Output swing headroom (to negative supply) (typ) (V) 0.04 Output swing headroom (to positive supply) (typ) (V) -1

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