LM2904P- Low Power Dual Operational Amplifiers

Overview

The LM2904P is a low-power dual operational amplifier from Texas Instruments, designed for a wide range of general-purpose analog applications. This versatile IC combines two independent op-amps in a single 8-pin DIP package, offering excellent performance with minimal power consumption. Whether you're building sensor interfaces, active filters, or signal conditioning circuits, the LM2904P provides reliable and consistent operation across a broad supply voltage range.

Key Features

• Low Power Consumption: Ideal for battery-powered devices and energy-efficient designs.
• Dual Operational Amplifiers: Two independent op-amps in one package, saving board space.
• Wide Supply Voltage Range: Operates from 3V to 26V (or ±1.5V to ±13V), accommodating various power sources.
• Internally Frequency Compensated: Stable without external components, simplifying circuit design.
• Common-Mode Input Voltage Range: Includes ground, allowing direct sensing near ground.
• Short-Circuit Protection: Built-in protection for output transistors.
• Low Input Bias Current: Suitable for high-impedance sources.

Technical Specifications

• Number of Channels: 2
• Supply Voltage Range: 3V to 26V (single supply), ±1.5V to ±13V (dual supply)
• Supply Current per Channel: 0.5 mA (typical)
• Input Offset Voltage: 2 mV (typical)
• Input Bias Current: 20 nA (typical)
• Gain Bandwidth Product: 0.7 MHz
• Slew Rate: 0.3 V/µs
• Operating Temperature Range: -40°C to +85°C
• Package: 8-pin DIP (PDIP)
• RoHS Compliant: Yes

Applications & Use Cases

• Sensor Signal Conditioning: Amplify and filter signals from temperature, light, and pressure sensors.
• Active Filters: Implement low-pass, high-pass, and band-pass filters for audio and instrumentation.
• DC Gain Blocks: Use in precision DC amplification circuits.
• Battery-Powered Devices: Due to low power consumption, ideal for portable electronics.
• Comparators: Can be used as a basic comparator with appropriate external circuitry.
• Analog Computing Circuits: Summing amplifiers, integrators, and differentiators.
• Educational Projects: Perfect for university labs and hobbyist experiments.

What's Included

• 1x LM2904P Low Power Dual Operational Amplifier IC (8-pin DIP)

Compatibility

• Breadboard Friendly: 8-pin DIP package easily fits into standard breadboards and IC sockets.
• Pinout: Standard dual op-amp pinout (similar to LM358), making it a drop-in replacement for many circuits.
• Microcontroller Interfacing: Works with 3.3V and 5V logic systems, ideal for Arduino, Raspberry Pi, and other MCUs.
• Replacement: Can replace LM358, LM2904, and similar dual op-amps in most applications.

MOKWN Recommendation

The LM2904P is a reliable and cost-effective choice for makers, students, and engineers in Egypt. Its low power consumption and wide supply voltage make it a versatile building block for countless projects. We recommend it for anyone starting with analog electronics or needing a solid general-purpose op-amp. For higher bandwidth or precision, consider our other op-amp options, but for most everyday applications, the LM2904P is an excellent pick.