MAX9720BEUE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power stereo audio amplifier
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.2W per channel into 8Ω load at 5V supply
• Total Harmonic Distortion + Noise (THD+N): 0.04% at 1kHz, 1.2W output power
• Efficiency: 85% at 1.2W output power
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9720BEUE+T has a total of 16 pins. The pin configuration is as follows:

1. SHDN - Shutdown Control Input
2. GND - Ground
3. INL- - Left Channel Negative Input
4. INL+ - Left Channel Positive Input
5. VDD - Positive Power Supply
6. BYP - Bypass Capacitor Connection
7. OUTL - Left Channel Output
8. NC - No Connection
9. NC - No Connection
10. NC - No Connection
11. NC - No Connection
12. OUTR - Right Channel Output
13. INR+ - Right Channel Positive Input
14. INR- - Right Channel Negative Input
15. VDD - Positive Power Supply
16. GND - Ground

Functional Features

• Low quiescent current consumption for extended battery life
• High power efficiency for reduced power dissipation
• Short-circuit and thermal protection for enhanced reliability
• Shutdown mode for power-saving when not in use
• Bypass capacitor connection for improved audio quality

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low power consumption - Compact package size - Protection features for increased reliability

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external bypass capacitors for optimal performance

Working Principles

The MAX9720BEUE+T is a stereo audio amplifier that operates by amplifying the input audio signals received from the left and right channels. It utilizes a low quiescent current design, allowing it to operate efficiently even with limited power supply. The amplifier provides high-quality audio output while minimizing power consumption and maximizing battery life.

Detailed Application Field Plans

The MAX9720BEUE+T is commonly used in various portable audio devices such as smartphones, tablets, portable media players, and Bluetooth speakers. Its compact form factor and low power consumption make it ideal for applications where space and battery life are critical factors. Additionally, its high-performance characteristics ensure excellent audio reproduction.

Detailed and Complete Alternative Models

1. MAX9720A - Similar specifications and pin configuration, but with different package options (e.g., QFN, SOIC)
2. MAX9720B - Higher output power and improved efficiency compared to MAX9720BEUE+T
3. MAX9720C - Lower power consumption and smaller package size than MAX9720BEUE+T, suitable for ultra-portable devices

These alternative models offer similar functionality and can be considered based on specific application requirements.

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