NJU7312AM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low voltage, low power consumption, high efficiency
• Package: SOP-8 (Small Outline Package)
• Essence: NJU7312AM is a high-performance audio amplifier IC designed for low voltage applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Operating Voltage: 2.5V - 5.5V
• Output Power: 1W (at 5V, 10% THD+N, 8Ω load)
• Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
• Signal-to-Noise Ratio (SNR): 90dB (typical)
• Shutdown Current: 0.1μA (typical)

Detailed Pin Configuration

The NJU7312AM IC has the following pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | VDD | Power Supply Voltage | | 2 | IN+ | Non-Inverting Input | | 3 | IN- | Inverting Input | | 4 | GND | Ground | | 5 | SHDN | Shutdown Control Input | | 6 | OUT | Output | | 7 | NC | No Connection | | 8 | VREF | Reference Voltage |

Functional Features

• Low voltage operation allows for battery-powered applications.
• Low power consumption ensures longer battery life.
• High efficiency provides improved performance.
• Shutdown control input enables power-saving mode when not in use.
• Small package size allows for space-saving designs.

Advantages and Disadvantages

Advantages

• Suitable for low voltage applications.
• Low power consumption extends battery life.
• High efficiency ensures optimal performance.
• Shutdown control feature saves power when not in use.
• Small package size enables compact designs.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• May require additional components for certain applications.

Working Principles

The NJU7312AM is a class AB audio amplifier that operates on low voltage. It utilizes an internal operational amplifier to amplify the audio signal. The input signal is provided through the non-inverting (IN+) and inverting (IN-) inputs, while the amplified output is available at the OUT pin. The VREF pin provides the reference voltage for the amplifier circuit.

Detailed Application Field Plans

The NJU7312AM is suitable for various low voltage audio amplification applications, including:

1. Portable audio devices
2. Mobile phones
3. Bluetooth speakers
4. Headphones
5. Personal computers

Detailed and Complete Alternative Models

1. NJU7311AM: Similar to NJU7312AM but with lower output power.
2. NJU7313AM: Similar to NJU7312AM but with higher output power.
3. NJU7314AM: Similar to NJU7312AM but with additional features such as built-in equalizer.

These alternative models provide options based on specific requirements and desired performance levels.

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