SN761664DBTRG4

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 solution
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: 1.2W at 5V, 10% THD+N, 8Ω Load
• Efficiency: Up to 90%
• Shutdown Current: <1µA
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN761664DBTRG4 has a total of 8 pins:

1. VDD: Power supply input
2. GND: Ground reference
3. SD: Shutdown control pin
4. IN+: Positive audio input
5. IN-: Negative audio input
6. OUT: Audio output
7. Bypass: Bypass capacitor connection
8. BYP_GND: Bypass capacitor ground reference

Functional Features

• Low power consumption for extended battery life
• High efficiency for optimal power utilization
• Built-in shutdown mode for power-saving operation
• Excellent audio quality with low distortion and noise
• Thermal and short-circuit protection for reliable operation

Advantages and Disadvantages

Advantages: - Compact size and lightweight - Wide operating voltage range - High output power for its size - Low total harmonic distortion - Efficient power utilization

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for proper operation - Sensitive to improper input voltage levels

Working Principles

The SN761664DBTRG4 is a class-D audio amplifier that utilizes pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It converts the input audio signal into a high-frequency square wave, which is then filtered and amplified to produce the final audio output. The class-D architecture allows for high power efficiency and low heat dissipation.

Detailed Application Field Plans

The SN761664DBTRG4 is commonly used in various portable audio devices, such as:

1. Mobile phones
2. Tablets
3. Portable media players
4. Bluetooth speakers
5. Gaming consoles

Its compact size, low power consumption, and high efficiency make it an ideal choice for battery-powered applications where space and energy efficiency are crucial.

Detailed and Complete Alternative Models

1. TPA3116D2: Similar class-D audio amplifier with higher output power and additional features.
2. LM386: Low-cost audio amplifier with lower output power but simpler design.
3. MAX9744: Class-D audio amplifier with integrated volume control and equalization features.
4. TAS5630B: High-performance class-D audio amplifier with advanced digital signal processing capabilities.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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