SN761681DBTRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power consumption
• Package: DBT (Thin Shrink Small Outline Package)
• Essence: Compact and efficient audio amplifier
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: 1.2W into 8Ω at 5V
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 1.2W, 8Ω
• Efficiency: 90% at 5V, 1.2W, 8Ω
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN761681DBTRG4 has a total of 8 pins:

1. VDD: Positive power supply input
2. GND: Ground reference
3. SD: Shutdown control input
4. IN+: Non-inverting audio input
5. IN-: Inverting audio input
6. OUT: Audio output
7. Bypass: Bypass capacitor connection
8. VREF: Reference voltage output

Functional Features

• Low-power consumption for extended battery life
• High efficiency for optimal power usage
• Wide supply voltage range for flexibility in various applications
• Shutdown control for power-saving mode
• Excellent audio quality with low distortion and noise

Advantages and Disadvantages

Advantages: - Compact size allows for space-efficient designs - High efficiency reduces power consumption - Low distortion and noise ensure high-quality audio output - Wide supply voltage range enables versatile applications

Disadvantages: - Limited output power may not be suitable for high-power audio applications - Shutdown control may require additional circuitry for implementation

Working Principles

The SN761681DBTRG4 is an audio amplifier IC that operates by amplifying the input audio signal and delivering it to the connected speaker or audio output device. It utilizes a low-power design, allowing for efficient operation even in battery-powered devices. The shutdown control feature enables power-saving mode when the amplifier is not in use, further reducing power consumption.

Detailed Application Field Plans

The SN761681DBTRG4 is commonly used in various portable audio devices, such as smartphones, tablets, portable speakers, and headphones. Its compact size and low-power consumption make it ideal for applications where space and battery life are critical factors. Additionally, its high efficiency and excellent audio quality make it suitable for consumer electronics and professional audio equipment.

Detailed and Complete Alternative Models

1. TPA6211A2: Audio amplifier IC with similar specifications and package.
2. LM4863: Dual audio amplifier IC with higher output power capability.
3. MAX98357A: Class D audio amplifier IC with integrated digital audio interface.

These alternative models offer different features and capabilities, providing options for specific application requirements.

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