TDF8544J/N3,112

Product Overview

Category

TDF8544J/N3,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for audio amplification purposes.

Characteristics

• Integrated circuit type: Class D amplifier
• Power supply voltage range: 6 V to 18 V
• Output power: 4 x 50 W (at 14.4 V, 1 kHz, 10% THD)
• Package type: HSOP32
• Essence: High-efficiency audio amplifier with low power consumption
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

The specifications of TDF8544J/N3,112 are as follows:

• Supply voltage: 6 V to 18 V
• Quiescent current: 60 mA
• Output power: 4 x 50 W (at 14.4 V, 1 kHz, 10% THD)
• Total harmonic distortion + noise: 0.05%
• Signal-to-noise ratio: 90 dB
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of TDF8544J/N3,112 is as follows:

1. OUT1: Output channel 1
2. OUT2: Output channel 2
3. GND: Ground
4. VCC: Power supply voltage
5. IN1: Input channel 1
6. IN2: Input channel 2
7. MUTE: Mute control input
8. STBY: Standby control input
9. OUT3: Output channel 3
10. OUT4: Output channel 4
11. PVCC: Power supply voltage for internal circuitry
12. VREF: Reference voltage
13. BST1: Bootstrap capacitor connection 1
14. BST2: Bootstrap capacitor connection 2
15. PVCC: Power supply voltage for internal circuitry
16. GND: Ground
17. OUT4: Output channel 4
18. OUT3: Output channel 3
19. STBY: Standby control input
20. MUTE: Mute control input
21. IN2: Input channel 2
22. IN1: Input channel 1
23. VCC: Power supply voltage
24. GND: Ground

Functional Features

The TDF8544J/N3,112 offers the following functional features:

• High-efficiency Class D amplifier design
• Low power consumption
• Four-channel audio amplification
• Mute and standby control inputs for power management
• Wide operating voltage range for flexibility in various applications

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Four-channel output allows for versatile audio system designs
• Mute and standby control inputs enhance power management capabilities

Disadvantages

• May require additional external components for optimal performance
• Limited output power compared to some other amplifiers in the market

Working Principles

The TDF8544J/N3,112 is a Class D 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 desired audio output.

Detailed Application Field Plans

The TDF8544J/N3,112 can be applied in various audio-related fields, including:

1. Automotive audio systems
2. Home theater systems
3. Portable speakers
4. Professional audio equipment
5. Multimedia devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TDF8544J/N3,112 are:

1. TDA7850: Four-channel Class AB amplifier with similar power output
2. TAS5611A: Digital input Class D amplifier with higher power output capability
3. LM3886: Single-channel Class AB amplifier with higher power output and lower distortion

These alternative models offer different features and performance characteristics, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the TDF8544J/N3,112 is a high-efficiency Class D audio amplifier integrated circuit. It offers four-channel amplification, low power consumption, and versatile application possibilities. While it may have some limitations in terms of output power and external component requirements, it provides an efficient solution for audio amplification needs in various fields.