NJM2770RB1-TE1# Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: High-performance, low-power consumption
Package: RB1 Package
Essence: Compact and efficient audio amplifier
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: 1.2W (VDD = 5V, RL = 8Ω, THD+N = 10%)
• Total Harmonic Distortion + Noise (THD+N): 0.1% (VDD = 5V, RL = 8Ω, POUT = 1W)
• Quiescent Current: 3mA (Typical)
• Shutdown Current: 0.1μA (Typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NJM2770RB1-TE1# IC has the following pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | VDD | Power Supply Voltage Input | | 2 | SD | Shutdown Control Input | | 3 | INL | Left Channel Audio Input | | 4 | GND | Ground | | 5 | OUTL | Left Channel Audio Output | | 6 | INR | Right Channel Audio Input | | 7 | NC | No Connection | | 8 | GND | Ground | | 9 | OUTR | Right Channel Audio Output |

Functional Features

• Low power consumption for extended battery life
• High-quality audio amplification with low distortion
• Compact size for space-constrained applications
• Shutdown control for power-saving mode
• Suitable for portable audio devices, headphones, and small speakers

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low power consumption - Compact size - Shutdown control for power-saving

Disadvantages: - Limited output power (1.2W) - No built-in volume control

Working Principles

The NJM2770RB1-TE1# is an audio amplifier IC designed to amplify audio signals with high fidelity. It operates on a supply voltage range of 2.7V to 5.5V, making it suitable for battery-powered devices. The IC utilizes a class AB amplifier configuration to achieve low distortion and high-quality audio reproduction.

The input audio signals are fed into the left and right channel inputs (INL and INR). The amplified audio signals are then available at the respective left and right channel outputs (OUTL and OUTR). The shutdown control input (SD) allows the IC to enter a low-power standby mode when not in use, reducing power consumption.

Detailed Application Field Plans

The NJM2770RB1-TE1# audio amplifier IC finds applications in various portable audio devices, headphones, and small speakers. Some specific application field plans include: - Portable music players - Bluetooth speakers - Gaming headsets - Personal audio devices - Mobile phones and tablets

Detailed and Complete Alternative Models

1. NJM2771RB1-TE1#: Similar audio amplifier IC with higher output power (2.5W) and built-in volume control.
2. NJM2772RB1-TE1#: Audio amplifier IC with similar specifications but in a different package (RB2 Package).
3. NJM2773RB1-TE1#: Low-power audio amplifier IC with shutdown control and integrated volume control.

Note: The above alternative models are suggested based on similar specifications and features. It is recommended to refer to the respective datasheets for detailed information.

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