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NJM2137M# - English Editing Encyclopedia Entry
Product Overview
- Category: Integrated Circuit (IC)
- Use: Amplifier
- Characteristics: High-performance, low-power consumption
- Package: SOP-8 (Small Outline Package)
- Essence: NJM2137M# is a high-performance amplifier IC designed for various audio applications.
- Packaging/Quantity: Available in reels of 2,500 units.
Specifications
- Operating Voltage: 4.5V to 16V
- Output Power: 1W (typical)
- Total Harmonic Distortion: 0.1% (typical)
- Input Impedance: 100kΩ
- Output Impedance: 8Ω
- Frequency Response: 20Hz to 20kHz
- Gain: 26dB (typical)
- Shutdown Current: 0.1μA (typical)
Detailed Pin Configuration
The NJM2137M# IC has the following pin configuration:
| Pin No. | Name | Description | |---------|------|-------------| | 1 | IN+ | Non-inverting input | | 2 | IN- | Inverting input | | 3 | VCC | Positive power supply | | 4 | GND | Ground | | 5 | SHDN | Shutdown control input | | 6 | OUT | Output | | 7 | NC | No connection | | 8 | NC | No connection |
Functional Features
- Low-power consumption: The NJM2137M# operates efficiently with minimal power requirements.
- High-performance: It provides excellent audio amplification with low distortion and high fidelity.
- Shutdown control: The SHDN pin allows for easy power management, enabling the IC to be turned on or off as needed.
- Wide frequency response: The amplifier covers the entire audible frequency range, ensuring accurate reproduction of audio signals.
Advantages and Disadvantages
Advantages: - High-performance audio amplification - Low-power consumption - Shutdown control for power management - Wide frequency response
Disadvantages: - Limited output power (1W) - Requires external components for a complete audio system
Working Principles
The NJM2137M# is based on a class AB amplifier topology. It utilizes a combination of transistors and operational amplifiers to amplify audio signals with low distortion. The input signal is amplified by the internal circuitry and delivered to the output pin. The shutdown control feature allows the IC to be powered on or off, conserving energy when not in use.
Detailed Application Field Plans
The NJM2137M# is suitable for various audio applications, including: - Portable audio devices - Headphone amplifiers - Multimedia speakers - Car audio systems - Home theater systems
Detailed and Complete Alternative Models
- LM386: A popular audio amplifier IC with similar specifications and functionality.
- TDA7265: A high-power audio amplifier IC capable of driving larger speakers.
- MAX9744: An integrated class D audio amplifier with advanced features.
In conclusion, the NJM2137M# is a high-performance audio amplifier IC designed for various applications. Its low-power consumption, wide frequency response, and shutdown control make it an ideal choice for portable audio devices, headphones, and multimedia speakers. While it has limited output power, there are alternative models available for higher power requirements.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací NJM2137M# v technických řešeních
Sure! Here are 10 common questions and answers related to the application of NJM2137M# in technical solutions:
Q: What is NJM2137M#? A: NJM2137M# is a specific model of integrated circuit (IC) manufactured by New Japan Radio. It is commonly used in various technical solutions.
Q: What are the main features of NJM2137M#? A: The main features of NJM2137M# include low noise, low distortion, wide bandwidth, and high slew rate. It is designed for audio applications.
Q: What are the typical applications of NJM2137M#? A: NJM2137M# is often used in audio amplifiers, preamplifiers, mixers, and other audio-related circuits.
Q: What is the voltage supply range for NJM2137M#? A: NJM2137M# typically operates within a voltage supply range of ±5V to ±18V.
Q: Can NJM2137M# be used in single-supply applications? A: Yes, NJM2137M# can be used in single-supply applications by connecting the negative supply pin to ground.
Q: What is the maximum output power that NJM2137M# can handle? A: The maximum output power of NJM2137M# depends on the specific circuit design and load impedance. It is recommended to refer to the datasheet for detailed information.
Q: Does NJM2137M# require external compensation components? A: No, NJM2137M# is internally compensated and does not require any external compensation components.
Q: Is NJM2137M# suitable for low-power applications? A: Yes, NJM2137M# is suitable for low-power applications as it has a low quiescent current and can operate with low supply voltages.
Q: Can NJM2137M# be used in high-temperature environments? A: NJM2137M# has a specified operating temperature range of -40°C to +85°C, making it suitable for use in various environments, including some high-temperature applications.
Q: Are there any recommended application circuits available for NJM2137M#? A: Yes, the datasheet of NJM2137M# typically provides recommended application circuits that can serve as a starting point for designing specific solutions.
Please note that the answers provided here are general and may vary depending on the specific requirements and conditions of your technical solution. It is always recommended to refer to the official datasheet and consult with an experienced engineer for accurate and detailed information.