TAS5548DCAR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High Efficiency, Digital Class D Amplifier
• Package: Dual-In-Line Package (DIP)
• Essence: Power Amplification
• Packaging/Quantity: Tape and Reel, 250 units per reel

Specifications and Parameters

• Power Supply Voltage: 10V to 26V
• Output Power: 50W per channel
• Total Harmonic Distortion: <0.1%
• Signal-to-Noise Ratio: >100dB
• Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

1. VDD: Power Supply Positive
2. GND: Ground
3. IN+: Non-Inverting Input
4. IN-: Inverting Input
5. OUT+: Positive Output
6. OUT-: Negative Output
7. SD: Shutdown Control
8. MUTE: Mute Control
9. BTL: Bridge-Tied Load Mode Selection
10. FB: Feedback Input
11. AGND: Analog Ground
12. PGND: Power Ground

Functional Characteristics

• High Efficiency: The TAS5548DCAR utilizes a digital Class D amplifier architecture, resulting in high power efficiency.
• Low Distortion: With a total harmonic distortion of less than 0.1%, the audio output remains clean and faithful to the input signal.
• Flexible Operation: The device supports both single-ended and bridge-tied load (BTL) configurations, providing versatility in various audio applications.
• Shutdown and Mute Control: The SD and MUTE pins allow for convenient control of the amplifier's operation, enabling power-saving modes and muting functionality.
• Wide Temperature Range: The TAS5548DCAR is designed to operate reliably in extreme temperature conditions, ranging from -40°C to +85°C.

Advantages and Disadvantages

Advantages: - High power efficiency - Low distortion - Flexible operation modes - Convenient control features - Wide temperature range suitability

Disadvantages: - Requires external components for complete audio system integration - Limited output power compared to higher wattage amplifiers

Applicable Range of Products

The TAS5548DCAR is suitable for a wide range of audio applications, including: - Home theater systems - Automotive audio systems - Professional audio equipment - Portable speakers - Multimedia devices

Working Principles

The TAS5548DCAR operates based on the principles of digital Class D amplification. It converts the input audio signal into a pulse-width modulated (PWM) signal, which is then amplified by switching the power supply voltage across the speaker load. This digital amplification technique ensures high efficiency and low power dissipation.

Detailed Application Field Plans

1. Home Theater System: The TAS5548DCAR can be used as the main amplifier in a home theater system, providing high-quality audio amplification for multiple channels.
2. Automotive Audio System: Integrated into car audio systems, the TAS5548DCAR delivers powerful and clear sound reproduction, enhancing the in-car entertainment experience.
3. Professional Audio Equipment: The amplifier can be utilized in professional audio equipment such as mixing consoles, amplifiers, and powered speakers, ensuring accurate and reliable audio amplification.
4. Portable Speakers: With its compact size and high efficiency, the TAS5548DCAR is ideal for portable speaker designs, delivering excellent audio performance while conserving battery life.
5. Multimedia Devices: The amplifier can be integrated into multimedia devices like televisions, gaming consoles, and soundbars, providing enhanced audio quality for an immersive multimedia experience.

Detailed Alternative Models

1. TAS5630B: A higher-power alternative with 300W output per channel, suitable for demanding audio applications.
2. TAS5611A: A lower-power alternative with 25W output per channel, ideal for compact audio systems.
3. TAS6424QDKRQ1: An automotive-grade alternative designed specifically for automotive audio systems, ensuring reliable performance in harsh environments.
4. TAS2770: A single-chip alternative with integrated digital audio processing features, simplifying system design and reducing component count.
5. TAS3251: A multi-channel alternative with advanced audio processing capabilities, suitable for high-end home theater systems.

5 Common Technical Questions and Answers

1. Q: Can the TAS5548DCAR operate with a single power supply voltage? A: No, the TAS5548DCAR requires a dual power supply voltage ranging from 10V to 26V.

2. Q: What is the maximum output power of the TAS5548DCAR? A: The TAS5548DCAR can deliver up to 50W of power per channel.

3. Q: Does the TAS5548DCAR support stereo operation? A: Yes, the TAS