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NJM2903M

Name: NJM2903M
Rating: 4.7 (12 reviews)

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仕様

Part Status

Active

概要

Description

The NJM2903M is a dual operational amplifier designed for various analog applications. Manufactured by New Japan Radio Co., it features low noise and low distortion characteristics, making it suitable for high-fidelity audio and signal processing tasks. The NJM2903M operates with a wide supply voltage range, typically from ±2V to ±15V, and offers a high gain bandwidth product, allowing it to handle a variety of signal frequencies effectively.
Key specifications include a low input offset voltage, low bias current, and a high input impedance, which enhance its performance in precision applications. Its compact package makes it ideal for space-constrained designs. Typical uses include active filters, amplifiers, and signal conditioning circuits. Overall, the NJM2903M is favored for its reliability and efficiency in both consumer and industrial electronics.

Features

The NJM2903M is a dual operational amplifier designed for low noise and high performance in various applications. Key features include:
1. Dual Op-Amp Configuration: Contains two independent, high-gain, frequency-compensated op-amps.
2. Low Noise: Optimized for low noise operation, making it suitable for audio and precision signal processing.
3. Wide Supply Voltage Range: Operates typically from ±3V to ±15V, providing flexibility for different circuit designs.
4. High Slew Rate: Offers a slew rate of 0.5 V/µs, allowing for fast signal processing.
5. Low Input Offset Voltage: Typically around 0.5 mV, enhancing accuracy in applications requiring precision.
6. Rail-to-Rail Output: Capable of outputting signals close to the supply voltage rails, maximizing dynamic range.
7. Temperature Range: Suitable for use in a wide temperature range, typically from -40°C to +85°C.
These features make the NJM2903M ideal for audio applications, signal conditioning, and instrumentation systems.

Package

The NJM2903M is typically available in a 8-lead DIP (Dual In-line Package) configuration. This package type facilitates easy mounting on printed circuit boards and is suitable for various electronic applications.

Pinout

The NJM2903M is a quad operational amplifier with a total of 14 pins. Its primary functions include signal amplification, filtering, and signal conditioning in various analog applications. The key features of the NJM2903M include:
- Pin Configuration:
- Pins 1, 2, 3, 4: Op-Amp 1 (Output, Inverting Input, Non-Inverting Input, V-)
- Pins 5, 6, 7, 8: Op-Amp 2 (Output, Inverting Input, Non-Inverting Input, V+)
- Pins 9, 10, 11, 12: Op-Amp 3 (Output, Inverting Input, Non-Inverting Input, V-)
- Pins 13, 14: Op-Amp 4 (Output, Inverting Input, Non-Inverting Input, V+)
- Power Supply: The device typically operates on a dual power supply (+V and -V).
The NJM2903M is commonly used in applications such as audio processing, instrumentation, and data acquisition systems, offering low noise and high precision performance.

Manufacturer

The NJM2903M is manufactured by New Japan Radio Co., Ltd. (NJR). NJR is a Japanese company that specializes in developing and manufacturing analog and mixed-signal semiconductor devices. Founded in 1959, the company focuses on various applications, including audio, telecommunications, automotive, and industrial sectors. NJR is well-known for its operational amplifiers, voltage regulators, and other electronic components, contributing to advancements in electronic technology. Their products are utilized globally in consumer electronics and professional audio equipment, reflecting NJR's commitment to quality and innovation in the semiconductor industry.

Application

The NJM2903M is a quad operational amplifier used in various applications, including signal conditioning, filtering, and amplification in audio systems, sensor signal processing, and active filters. It is also employed in instrumentation, medical devices, and analog computing. Its versatility makes it suitable for use in consumer electronics, automotive applications, and industrial control systems.

Equivalent

The NJM2903M is a dual operational amplifier. Equivalent products include:
1. LM358 (Texas Instruments)
2. TL082 (Texas Instruments)
3. MCP602 (Microchip Technology)
4. OP-07 (Texas Instruments)
Check specific datasheets for detailed specifications to ensure compatibility for your application.