MAX9759ETE+TGC1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, stereo Class D audio amplifier
• Package: TQFN-16
• Essence: Provides high-quality audio amplification in a compact package
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Operating Voltage: 2.7V to 5.5V
• Output Power: 2 x 10W into 8Ω at 1% THD+N
• Efficiency: Up to 87%
• Signal-to-Noise Ratio: >100dB
• Shutdown Current: <1µA
• Package Dimensions: 3mm x 3mm

Pin Configuration

The MAX9759ETE+TGC1 has the following pin configuration:

1. SHDN - Shutdown Input
2. GND - Ground
3. INL - Left Channel Audio Input
4. INR - Right Channel Audio Input
5. VDD - Positive Power Supply
6. PVDD - Power Supply for Output Stage
7. OUTL - Left Channel Audio Output
8. OUTR - Right Channel Audio Output
9. BTL - Bridge-Tied Load Output
10. BSTL - Bootstrap Capacitor Connection for BTL Output
11. PGND - Power Ground
12. FB - Feedback Input
13. BYP - Bypass Capacitor Connection
14. VREF - Reference Voltage Output
15. VCM - Common Mode Voltage Output
16. VDDC - Digital Power Supply

Functional Features

• High-efficiency Class D operation
• Low quiescent current
• Short-circuit and thermal protection
• Pop and click suppression during power-up and shutdown
• Integrated feedback loop compensation

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Compact package size
• Low power consumption
• Protection features for reliable operation
• Easy integration into audio systems

Disadvantages

• Limited output power compared to larger amplifiers
• Requires external components for proper operation

Working Principles

The MAX9759ETE+TGC1 is a stereo Class D audio amplifier that utilizes pulse-width modulation (PWM) to amplify audio signals. It operates by rapidly switching the input signal on and off, creating a square wave with varying duty cycle. This square wave is then filtered to reconstruct the original audio signal.

The amplifier's high efficiency is achieved by minimizing power dissipation in the output stage. It also incorporates protection features such as short-circuit and thermal protection to ensure safe operation.

Detailed Application Field Plans

The MAX9759ETE+TGC1 is suitable for various audio applications, including:

1. Portable speakers
2. Home theater systems
3. Automotive audio systems
4. Gaming consoles
5. Personal computers
6. Mobile devices

Its compact size and low power consumption make it ideal for space-constrained and battery-powered applications.

Detailed and Complete Alternative Models

1. MAX98357A - Mono Class D Audio Amplifier
2. TPA3116D2 - Stereo Class D Audio Amplifier
3. TAS5613 - Digital Input Class D Audio Amplifier
4. LM3886 - High-Performance Audio Power Amplifier
5. STA540 - 4-Channel Audio Amplifier

These alternative models offer different features and specifications, providing options for various audio amplification requirements.

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