LM2904ST

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LM2904ST

+BOM

IC OPAMP GP 2 CIRCUIT 8TSSOP

  • ManufacturerRohm Semiconductor

  • Mfr. Part #LM2904ST

  • In Stock6555

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Specifications

Attribute Value
Part Status Not For New Designs
Base Product Number LM2904
Amplifier Type Standard (General Purpose)
Number of Circuits 2
Slew Rate 0.3V/µs
Gain Bandwidth Product 700 kHz
Current - Input Bias 20 nA
Voltage - Input Offset 1 mV
Current - Supply 600µA
Current - Output / Channel 30 mA
Voltage - Supply Span (Min) 3 V
Voltage - Supply Span (Max) 32 V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-TSSOP-BJ
Packaging Tape & Reel (TR)

Overview

Description

The LM2904ST is a dual operational amplifier (op-amp) known for its wide range of applications in electronics due to its versatility and robust performance. It operates effectively over a wide voltage range, making it suitable for battery-powered devices and other applications requiring low power consumption. The LM2904ST is designed to function with single or dual power supplies, enhancing its flexibility in circuit design.
Key features of the LM2904ST include low input bias current and low input offset voltage, which contribute to its precision in signal amplification. It also exhibits good stability and bandwidth, making it a reliable choice for various analog applications such as signal conditioning, filtering, and voltage amplification.
The compact package and cost-effectiveness of the LM2904ST make it a popular choice for both professional engineers and hobbyists. Its ability to function in a temperature range from -40°C to 85°C adds to its usability across different environments. Overall, the LM2904ST is a practical component for many analog circuit designs.

Equivalent

The LM2904ST is a dual operational amplifier. Equivalent products include:
1. LM358 by Texas Instruments
2. MC34072 by ON Semiconductor
3. UA2904 by Texas Instruments
4. NJM2904 by New Japan Radio Co.
5. TL082 by Texas Instruments
These alternatives share similar characteristics and are often used in place of the LM2904ST in various applications. Always check the datasheets for compatibility with your specific requirements.

Features

The LM2904ST is a dual operational amplifier designed for a wide range of applications. Key features include:
1. Dual Op-Amp: It contains two independent, high-gain operational amplifiers in a single package.
2. Wide Supply Voltage Range: Operates on a supply voltage range from ±1.5V to ±16V, making it versatile for various applications.
3. Low Supply Current: Consumes low quiescent current, ideal for battery-powered devices.
4. Large Signal Bandwidth: Provides sufficient bandwidth for general-purpose applications.
5. Internally Frequency Compensated: Designed for unity gain applications, simplifying the design process.
6. Wide Temperature Range: Supports an extended operating temperature range, suitable for industrial environments.
7. Low Input Bias Current: Features low input bias current, enhancing performance in precision applications.
8. Robust Design: Offers good tolerance to supply voltage variations and has built-in short-circuit protection.
9. Package Options: Available in various package types, including surface-mount and through-hole options.
These features make the LM2904ST suitable for use in audio preamplifiers, active filters, and other analog signal processing circuits.

Pinout

The LM2904ST is a dual operational amplifier (op-amp) with an 8-pin package. It is part of the LM2904 series, which is designed for use in a variety of applications requiring dual op-amps. Here is a concise breakdown of its pin count and functions:
1. Pin 1: Output A - The output for the first operational amplifier.
2. Pin 2: Inverting Input A - The inverting input for the first amplifier.
3. Pin 3: Non-Inverting Input A - The non-inverting input for the first amplifier.
4. Pin 4: VCC- (GND) - The negative power supply terminal (ground in single supply applications).
5. Pin 5: Non-Inverting Input B - The non-inverting input for the second amplifier.
6. Pin 6: Inverting Input B - The inverting input for the second amplifier.
7. Pin 7: Output B - The output for the second operational amplifier.
8. Pin 8: VCC+ - The positive power supply terminal.
The LM2904ST is commonly used in signal conditioning, filtering, and amplification applications. Its dual configuration allows for flexible use in a wide range of electronic circuits.

Manufacturer

The LM2904ST is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It serves a variety of markets, including automotive, industrial, personal electronics, communications equipment, and computers. As a leading semiconductor company, STMicroelectronics is known for its innovation and technology solutions that drive smarter, more efficient electronics.

Application

The LM2904ST is a dual operational amplifier commonly used in a variety of applications due to its ability to operate on a wide range of voltages. Key application areas include signal conditioning, where it amplifies weak signals; active filtering, for removing unwanted noise from signals; and sensor interfacing, where it processes signals from sensors for microcontrollers. It is also used in voltage followers, integrators, and analog-to-digital converters. Additionally, the LM2904ST is popular in automotive systems, industrial equipment, and consumer electronics due to its low power consumption and robustness. Its versatility makes it suitable for both general-purpose and specialized analog signal processing tasks.

Package

The LM2904ST is typically available in a surface-mount SOIC-8 package. This package is suitable for applications requiring dual operational amplifiers, providing easy integration on printed circuit boards (PCBs).