NJM2268M# - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)
Use: Amplifier
Characteristics: High performance, low noise, compact size
Package: SOP-8 (Small Outline Package)
Essence: NJM2268M# is a high-performance amplifier IC designed for various audio applications.
Packaging/Quantity: Available in reels of 2,500 pieces.

Specifications

Operating Voltage: 4.5V to 12V
Output Power: 1W (at 8Ω, VCC = 9V)
Total Harmonic Distortion: 0.1% (at 1kHz, VCC = 9V, RL = 8Ω)
Input Resistance: 100kΩ
Gain: 20dB (fixed)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NJM2268M# IC has the following pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | IN+ | Non-inverting input | | 2 | IN- | Inverting input | | 3 | GND | Ground | | 4 | VCC | Positive power supply | | 5 | OUT | Output | | 6 | NC | No connection | | 7 | NC | No connection | | 8 | NC | No connection |

Functional Features

Low noise amplification for high-quality audio output.
Fixed gain of 20dB ensures consistent amplification.
Wide operating voltage range allows flexibility in power supply selection.
Compact SOP-8 package enables space-saving designs.
Suitable for various audio applications, including portable devices and audio systems.

Advantages

High-performance amplifier with low distortion.
Wide operating temperature range for reliable operation in different environments.
Compact size allows for integration into small form factor devices.
Easy to use with fixed gain and straightforward pin configuration.

Disadvantages

Limited output power of 1W may not be sufficient for high-power audio applications.
No built-in protection features against overvoltage or short circuits.

Working Principles

The NJM2268M# operates as a voltage amplifier. The input audio signal is fed into the non-inverting input (IN+), while the inverting input (IN-) provides feedback to control the amplification. The amplified signal is then available at the output pin (OUT). The IC requires a positive power supply (VCC) and a ground connection (GND) for proper operation.

Detailed Application Field Plans

The NJM2268M# amplifier IC finds applications in various audio-related fields, including: 1. Portable audio devices such as MP3 players and smartphones. 2. Audio amplification in automotive entertainment systems. 3. Home audio systems and speakers. 4. Professional audio equipment like mixers and amplifiers. 5. Musical instruments and amplifiers.

Detailed and Complete Alternative Models

LM386 - Low Voltage Audio Power Amplifier
TDA7294 - Audio Power Amplifier
MAX9744 - Stereo Class D Audio Power Amplifier
AD823 - Precision Instrumentation Amplifier

These alternative models offer similar functionality and can be considered as alternatives to the NJM2268M# depending on specific requirements.

In conclusion, the NJM2268M# is a high-performance amplifier IC designed for various audio applications. Its compact size, low noise, and fixed gain make it suitable for portable devices and audio systems. However, its limited output power and lack of built-in protection features should be considered when selecting this IC for specific applications.

Word count: 510 words

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan NJM2268M# dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of NJM2268M# in technical solutions:

Q: What is NJM2268M#? A: NJM2268M# is a specific model of integrated circuit (IC) used in various technical solutions.
Q: What are the key features of NJM2268M#? A: Some key features of NJM2268M# include low noise, high output current, wide input voltage range, and built-in protection circuits.
Q: What are the typical applications of NJM2268M#? A: NJM2268M# is commonly used in audio amplifiers, power supplies, motor control circuits, and other electronic systems requiring precise voltage regulation.
Q: What is the maximum output current of NJM2268M#? A: The maximum output current of NJM2268M# depends on the specific model variant, but it typically ranges from a few hundred milliamperes to several amperes.
Q: Can NJM2268M# operate with a single power supply voltage? A: Yes, NJM2268M# can operate with a single power supply voltage, typically ranging from 5V to 30V, depending on the model variant.
Q: Does NJM2268M# require any external components for operation? A: Yes, NJM2268M# requires external components such as capacitors, resistors, and inductors to form a complete circuit and achieve desired functionality.
Q: Is NJM2268M# suitable for battery-powered applications? A: Yes, NJM2268M# can be used in battery-powered applications due to its low quiescent current and efficient power management capabilities.
Q: What are the protection features of NJM2268M#? A: NJM2268M# typically includes protection features such as overcurrent protection, thermal shutdown, and short-circuit protection to ensure safe operation.
Q: Can NJM2268M# be used in high-temperature environments? A: Yes, NJM2268M# is designed to operate reliably in a wide temperature range, typically from -40°C to 125°C, making it suitable for high-temperature environments.
Q: Are there any recommended reference designs or application notes available for NJM2268M#? A: Yes, the manufacturer of NJM2268M# usually provides reference designs, application notes, and datasheets that offer guidance on circuit design and implementation using this IC.

Please note that the specific details and answers may vary depending on the manufacturer's documentation and the exact model variant of NJM2268M#.