TAS5729MDDCAR

Product Overview

Category: Audio Amplifier
Use: The TAS5729MDDCAR is a digital input, closed-loop Class-D audio amplifier. It is designed for automotive applications, specifically for driving speakers in car audio systems.
Characteristics: This amplifier offers high efficiency and low power dissipation, making it suitable for use in vehicles where power consumption needs to be minimized. It also provides excellent audio quality with low distortion and noise.
Package: The TAS5729MDDCAR comes in a small outline package (SOP) with 32 pins.
Essence: The essence of this product lies in its ability to amplify digital audio signals efficiently and deliver high-quality sound output in automotive environments.
Packaging/Quantity: The TAS5729MDDCAR is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Power Supply Voltage: 4.5V to 26V
• Output Power: Up to 30W per channel
• Total Harmonic Distortion + Noise (THD+N): <0.03%
• Signal-to-Noise Ratio (SNR): >100dB
• Digital Audio Interface: I2S, TDM, or PDM
• Operating Temperature Range: -40°C to 105°C

Detailed Pin Configuration

The TAS5729MDDCAR has a total of 32 pins. Here is the detailed pin configuration:

1. VDD: Power supply voltage
2. GND: Ground
3. SDIN: Serial data input
4. SCLK: Serial clock input
5. LRCLK: Left/right channel clock input
6. MCLK: Master clock input
7. RESET: Reset input
8. FS: Frame sync input
9. SDOUT: Serial data output
10. SDO: Serial data output
11. PVDD: Power supply voltage for the output stage
12. PGND: Ground for the output stage 13-20. OUT1P, OUT1N, OUT2P, OUT2N, OUT3P, OUT3N, OUT4P, OUT4N: Speaker outputs 21-32. NC: No connection

Functional Features

• Closed-loop architecture for accurate speaker control
• Advanced modulation scheme for high efficiency
• Built-in protection features (short-circuit, over-temperature, and under-voltage)
• Flexible digital audio interface options
• Integrated volume control and equalization capabilities

Advantages and Disadvantages

Advantages: - High efficiency and low power dissipation - Excellent audio quality with low distortion and noise - Compact package size - Wide operating temperature range

Disadvantages: - Limited output power compared to some other amplifiers in the market - Requires external components for proper operation

Working Principles

The TAS5729MDDCAR operates on the principle of Class-D amplification. It converts the digital audio input into a pulse-width modulated (PWM) signal, which is then amplified by the output stage to drive the connected speakers. The closed-loop architecture ensures accurate control of the speaker, resulting in improved audio performance.

Detailed Application Field Plans

The TAS5729MDDCAR is primarily designed for automotive applications, specifically car audio systems. It can be used in various vehicle types, including cars, trucks, and motorcycles. Some potential application field plans include:

1. In-car entertainment systems
2. Car infotainment systems
3. Automotive navigation systems
4. Motorcycle audio systems

Detailed and Complete Alternative Models

1. TAS5706APHDCA - Similar digital input, closed-loop Class-D audio amplifier with higher output power capability.
2. TAS2770PAPR - Digital input, closed-loop Class-D audio amplifier with integrated DSP for advanced audio processing.
3. TPA3116D2DADR - Analog input, closed-loop Class-D audio amplifier with similar power output and package size.

These alternative models offer different features and specifications, allowing designers to choose the most suitable amplifier for their specific application requirements.

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