TPA4411YZHR

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small package size - Wide operating voltage range

Package: 20-pin HTSSOP package

Essence: The TPA4411YZHR is a high-performance audio amplifier IC designed for various audio applications.

Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 1.2W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.03% (typical)
• Efficiency: 90% (typical)
• Shutdown Current: 0.01µA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TPA4411YZHR has a total of 20 pins, each serving a specific function:

1. VDD: Positive supply voltage
2. GND: Ground reference
3. SD: Shutdown control input
4. INL: Left channel audio input
5. INR: Right channel audio input
6. BYP: Bypass capacitor connection
7. AGND: Analog ground reference
8. OUTL: Left channel audio output
9. OUTR: Right channel audio output
10. PGND: Power ground reference
11. BST: Bootstrap capacitor connection
12. PVDD: Positive supply voltage for the bootstrap circuit
13. VREF: Reference voltage output
14. MUTE: Mute control input
15. MODE: Mode selection input
16. SDA: I2C serial data input
17. SCL: I2C serial clock input
18. NC: No connection
19. NC: No connection
20. NC: No connection

Functional Features

• High-quality audio amplification with low distortion and noise
• Wide operating voltage range allows for flexibility in power supply selection
• Shutdown control for power-saving purposes
• I2C interface for advanced control and configuration options
• Mute function for instant audio muting
• Mode selection for different audio processing modes

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low power consumption - Small package size for space-constrained applications - Wide operating voltage range for flexibility - Advanced control options through I2C interface

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires additional external components for proper operation

Working Principles

The TPA4411YZHR operates as a class-D audio amplifier, utilizing pulse-width modulation (PWM) techniques to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the desired audio output.

The amplifier's internal circuitry ensures efficient power conversion, resulting in low power consumption and minimal heat dissipation. The shutdown control feature allows the amplifier to enter a low-power state when not in use, further reducing power consumption.

Detailed Application Field Plans

The TPA4411YZHR is suitable for various audio applications, including but not limited to: - Portable audio devices - Mobile phones - Tablets - Bluetooth speakers - Gaming consoles - Personal computers - Automotive audio systems

Its compact size, low power consumption, and high-quality audio amplification make it an ideal choice for these applications.

Detailed and Complete Alternative Models

• TPA4410YZHR
• TPA4412YZHR
• TPA4413YZHR
• TPA4414YZHR
• TPA4415YZHR

These alternative models offer similar functionality and performance characteristics, providing options for different power requirements or specific application needs.

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