MAX9759ETE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, stereo Class D audio amplifier
• Package: 16-pin TQFN (Thin Quad Flat No-Lead) package
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 2.8W per channel into 4Ω load at 5V supply voltage
• Efficiency: Greater than 85% at 1W output power
• Signal-to-Noise Ratio: Greater than 100dB
• Total Harmonic Distortion: Less than 0.1%
• Shutdown Current: Less than 1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9759ETE+T has a total of 16 pins, which are configured as follows:

1. SDN (Shutdown) - Active-low shutdown pin
2. GND (Ground) - Ground reference for the IC
3. INL- (Left Channel Negative Input) - Negative input for the left audio channel
4. INL+ (Left Channel Positive Input) - Positive input for the left audio channel
5. PVDD (Positive Power Supply) - Positive power supply for the IC
6. OUTL- (Left Channel Negative Output) - Negative output for the left audio channel
7. OUTL+ (Left Channel Positive Output) - Positive output for the left audio channel
8. VDD (Power Supply) - Power supply for the IC
9. INR- (Right Channel Negative Input) - Negative input for the right audio channel
10. INR+ (Right Channel Positive Input) - Positive input for the right audio channel
11. PGND (Power Ground) - Ground reference for the power supply
12. OUTR- (Right Channel Negative Output) - Negative output for the right audio channel
13. OUTR+ (Right Channel Positive Output) - Positive output for the right audio channel
14. BTL (Bridge-Tied Load) - Bridge-tied load configuration pin
15. BYP (Bypass) - Bypass capacitor connection pin
16. VREF (Reference Voltage) - Reference voltage output

Functional Features

• High-efficiency Class D amplifier architecture
• Low quiescent current consumption
• Short-circuit and thermal protection
• Integrated shutdown control for power saving
• Single-supply operation for ease of use
• Small form factor package for space-constrained applications

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Efficient power usage - Compact size - Integrated protection features

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for full functionality

Working Principles

The MAX9759ETE+T is a stereo Class D audio amplifier that utilizes pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It operates by rapidly switching the power supply voltage on and off, creating a square wave that approximates the original audio signal. This square wave is then filtered to remove high-frequency components and provide a clean amplified audio output.

Detailed Application Field Plans

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

1. Portable audio devices such as smartphones, tablets, and MP3 players
2. Home audio systems and multimedia speakers
3. Automotive audio systems
4. Gaming consoles and entertainment systems
5. Industrial and professional audio equipment

Detailed and Complete Alternative Models

1. MAX9744 - 20W Stereo Class D Audio Power Amplifier
2. MAX98357A - Low-Power, I2S Input, Class D Audio Amplifier
3. TPA3116D2 - 50W Stereo Class D Audio Amplifier

These alternative models offer similar functionality and performance to the MAX9759ETE+T and can be considered as alternatives based on specific application requirements.

In conclusion, the MAX9759ETE+T is a high-performance stereo Class D audio amplifier that provides efficient and high-quality audio amplification in a compact form factor. With its integrated protection features and low quiescent current consumption, it is suitable for various audio amplification applications in portable devices, home audio systems, automotive audio, and more.