TPA3112D1QPWPRQ1 - English Editing Encyclopedia Entry

Product Overview

Product Name: TPA3112D1QPWPRQ1
Category: Audio Amplifier
Use: This product is a high-performance, mono Class-D audio amplifier designed for automotive applications.
Characteristics: The TPA3112D1QPWPRQ1 offers excellent audio quality, high efficiency, and low power consumption. It is specifically designed to meet the stringent requirements of automotive audio systems.
Package: QFN (Quad Flat No-Lead)
Essence: The TPA3112D1QPWPRQ1 is an essential component in automotive audio systems, providing amplified audio signals with high fidelity.
Packaging/Quantity: The product is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Power Supply Voltage: 4.5V to 26V
• Output Power: Up to 30W
• Efficiency: >90%
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >100dB
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TPA3112D1QPWPRQ1 has a total of 32 pins. Here is a detailed pin configuration:

1. VDD
2. GND
3. IN+
4. IN-
5. SD
6. MUTE
7. BTL
8. PVDD
9. OUTA
10. OUTB
11. BST
12. PGND
13. AGND
14. FB
15. COMP
16. SS/TRI
17. SDO
18. SDI
19. SCLK
20. CSB
21. CLK
22. DOUT
23. DIN
24. LRCK
25. BCLK
26. SDZ
27. SDA
28. SCL
29. VDDA
30. GND
31. PVDD
32. VDD

Functional Features

• High-quality audio amplification for automotive applications
• Class-D amplifier architecture for high efficiency and low power consumption
• Integrated protection features such as over-temperature, over-voltage, and short-circuit protection
• Flexible control options including shutdown, mute, and tri-state modes
• Wide operating voltage range for compatibility with various automotive systems

Advantages and Disadvantages

Advantages: - Excellent audio quality with low distortion and high signal-to-noise ratio - High efficiency resulting in reduced power consumption - Integrated protection features ensure the safety and reliability of the amplifier - Flexible control options allow for easy integration into automotive audio systems

Disadvantages: - Limited output power compared to some higher-powered amplifiers - Requires additional external components for a complete audio system implementation

Working Principles

The TPA3112D1QPWPRQ1 is a Class-D audio amplifier that utilizes pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It converts the input analog audio signal into a digital PWM signal, which is then amplified by switching the power supply on and off rapidly. This switching process allows for high efficiency and low power dissipation.

Detailed Application Field Plans

The TPA3112D1QPWPRQ1 is primarily designed for automotive audio applications. It can be used in various audio systems within vehicles, including car stereos, infotainment systems, and speaker systems. The amplifier's high-quality audio reproduction and integrated protection features make it suitable for demanding automotive environments.

Detailed and Complete Alternative Models

• TPA3110D2: Dual-channel Class-D audio amplifier with similar specifications and features
• TPA3116D2: Dual-channel Class-D audio amplifier with higher output power capability
• TPA3251: Mono Class-D audio amplifier with advanced digital signal processing (DSP) features

These alternative models offer different performance characteristics and may be suitable for specific application requirements.

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