NJM37717E3

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High-performance, low-noise, low-distortion amplifier
• Package: DIP-8 (Dual In-line Package with 8 pins)
• Essence: The NJM37717E3 is a versatile amplifier IC designed for various audio applications.
• Packaging/Quantity: Available in reels of 2,500 units.

Specifications

• Operating Voltage: ±2.5V to ±18V
• Input Bias Current: 1pA (typical)
• Gain Bandwidth Product: 10MHz (typical)
• Slew Rate: 6V/µs (typical)
• Total Harmonic Distortion: 0.0005% (typical)
• Input Offset Voltage: 0.5mV (typical)
• Input Noise Voltage: 4nV/√Hz (typical)
• Output Current: 50mA (typical)

Detailed Pin Configuration

The NJM37717E3 has the following pin configuration:

```

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| | --| V+ V- |-- --| IN+ IN- |-- --| OUT |-- --| NC GND |-- |___________| ```

1. V+: Positive power supply
2. V-: Negative power supply
3. IN+: Non-inverting input
4. IN-: Inverting input
5. OUT: Output
6. NC: No connection
7. GND: Ground

Functional Features

• Low noise and distortion: Provides high-quality audio amplification with minimal interference.
• Wide operating voltage range: Can be powered by various sources, making it versatile for different applications.
• High gain bandwidth product: Allows for amplification of high-frequency signals without significant loss.
• Low input offset voltage: Ensures accurate signal reproduction.
• High output current: Capable of driving low impedance loads.

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Versatile operating voltage range - Low noise and distortion levels - Compact DIP-8 package for easy integration

Disadvantages: - Limited output current compared to specialized power amplifiers - No built-in protection features against overvoltage or short circuits

Working Principles

The NJM37717E3 is a voltage amplifier that utilizes differential input stages and a push-pull output stage. It operates by amplifying the voltage difference between the non-inverting (IN+) and inverting (IN-) inputs, producing an amplified output signal. The IC's internal circuitry ensures low noise, low distortion, and high gain bandwidth performance.

Detailed Application Field Plans

The NJM37717E3 can be used in various audio applications, including:

1. Audio amplifiers for consumer electronics
2. Headphone amplifiers
3. Portable audio devices
4. Instrumentation amplifiers
5. Active filters
6. Line drivers

Detailed and Complete Alternative Models

1. LM386: Low voltage audio power amplifier
2. TDA7294: Audio power amplifier with built-in protection features
3. AD8397: High-performance audio operational amplifier
4. MAX9814: Electret microphone preamplifier with automatic gain control

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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