EmbeddedRelated.com
LM2904DT

LM2904DT

STMicroelectronics
Standard (General Purpose) Amplifier 2 Circuit Single-Ended 8-SOIC
Active4,132 in stock

Overview

The LM2904DT is a standard, dual-circuit operational amplifier designed for general-purpose signal conditioning and amplification. It operates from a wide supply range of 3V to 30V and includes internal frequency compensation, making it a versatile choice for low-power and battery-operated systems. With a typical current consumption of 0.7mA and a bandwidth of 1.1 MHz, it serves as a reliable workhorse for various analog processing tasks.

Why Choose This Part

The LM2904DT offers high reliability across a broad temperature range of -40 to 125 degrees Celsius and features a high DC voltage gain of 100 dB. Its ability to operate from a single supply and its low input bias current of 20 nA simplify power rail requirements and improve precision in high-impedance applications.

Applications

Transducer Amplifiers
Used to interface with sensors and transducers to boost low-level signals for microcontroller ADC inputs.
DC Gain Blocks
Provides stable DC voltage amplification in control systems and analog feedback loops.
Active Filtering
Utilized in low-pass or high-pass filter configurations for signal cleaning in industrial instrumentation.
Current Sensing
Capable of monitoring load currents across a shunt resistor in power management circuits.

Key Specifications

Slew Rate 0.6V/us
Output Type Single-Ended
Mounting Type Surface Mount
Amplifier Type Standard (General Purpose)
Package / Case 8-SOIC (0.154", 3.90mm Width)
Current - Supply 700uA
Number of Circuits 2
Current - Input Bias 20 nA
Operating Temperature -40degC ~ 125degC
Gain Bandwidth Product 700 kHz
Voltage - Input Offset 2 mV
Supplier Device Package 8-SOIC
Current - Output / Channel 40 mA
Voltage - Supply Span (Max) 30 V
Voltage - Supply Span (Min) 3 V

Getting Started

To evaluate this part, integrate it into a standard SOIC-8 breadboard adapter or PCB footprint with appropriate decoupling capacitors on the VCC pin. Ensure the input common-mode voltage stays within the specified 0V to (VCC-1.5V) range for linear operation.

Also Consider

LM358DT STMicroelectronics - A similar dual op-amp for applications with less demanding temperature requirements.
TLV9002 TITexas Instruments - A modern rail-to-rail input/output alternative with a higher 1.2 MHz bandwidth and lower power consumption.