MAX9761EUI+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, mono Class D audio amplifier
• Package: 28-pin TSSOP package
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Power Supply Voltage: 4.5V to 14V
• Output Power: Up to 10W
• Efficiency: Greater than 90%
• Total Harmonic Distortion + Noise (THD+N): Less than 0.1%
• Operating Temperature Range: -40°C to +85°C
• Input Signal Compatibility: Single-ended or differential input

Detailed Pin Configuration

The MAX9761EUI+ features a 28-pin TSSOP package with the following pin configuration:

1. VDD - Power supply voltage
2. GND - Ground reference
3. SD - Shutdown control input
4. IN+ - Positive input for audio signal
5. IN- - Negative input for audio signal
6. BTL - Bridge-tied load output
7. PVDD - Power supply voltage for output stage
8. PGND - Ground reference for output stage
9. BST - Bootstrap capacitor connection
10. FB - Feedback input
11. AGND - Analog ground reference
12. BYP - Bypass capacitor connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection
17. NC - No connection
18. NC - No connection
19. NC - No connection
20. NC - No connection
21. NC - No connection
22. NC - No connection
23. NC - No connection
24. NC - No connection
25. NC - No connection
26. NC - No connection
27. NC - No connection
28. NC - No connection

Functional Features

• High-efficiency Class D amplifier design
• Single-ended or differential input compatibility
• Shutdown control for power saving
• Bridge-tied load (BTL) output configuration
• Low total harmonic distortion and noise
• Wide operating temperature range

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Compact form factor - Efficient power usage - Wide operating temperature range

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

Working Principles

The MAX9761EUI+ is a mono Class D audio amplifier that utilizes pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It converts the input audio signal into a high-frequency PWM waveform, which is then filtered and amplified to drive the connected speaker or load. The Class D design ensures high efficiency and low power dissipation.

Detailed Application Field Plans

The MAX9761EUI+ can be used in various audio applications, including:

1. Portable speakers
2. Automotive audio systems
3. Home theater systems
4. Gaming consoles
5. Multimedia devices

Its compact size, high efficiency, and wide operating temperature range make it suitable for both portable and fixed audio systems.

Detailed and Complete Alternative Models

1. TPA3116D2 - Texas Instruments
2. TAS5630B - Texas Instruments
3. STA516B - STMicroelectronics
4. IRS2092 - International Rectifier
5. PAM8403 - Diodes Incorporated

These alternative models offer similar functionality and can be considered as alternatives to the MAX9761EUI+ based on specific requirements and application needs.

In conclusion, the MAX9761EUI+ is a high-performance mono Class D audio amplifier that provides efficient and high-quality audio amplification. Its compact size and wide operating temperature range make it suitable for various audio applications. However, it has limited output power compared to some other amplifiers and requires external components for proper operation. Alternative models from different manufacturers offer similar functionality and can be considered as alternatives based on specific requirements.