MAX9725AEBC+ - English Editing Encyclopedia Entry

Product Overview

• Category: Audio Amplifier
• Use: The MAX9725AEBC+ is a high-performance stereo audio amplifier designed for portable devices such as smartphones, tablets, and portable media players.
• Characteristics: This amplifier offers low distortion, high output power, and excellent audio quality in a compact package.
• Package: The MAX9725AEBC+ comes in a small 16-pin TQFN package, making it suitable for space-constrained applications.
• Essence: The essence of the MAX9725AEBC+ lies in its ability to provide high-quality audio amplification in portable electronic devices.
• Packaging/Quantity: The MAX9725AEBC+ is typically sold in reels containing 250 units.

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.2W per channel into 8Ω load
• Total Harmonic Distortion + Noise (THD+N): 0.015% at 1kHz, 0.1W output power
• Signal-to-Noise Ratio (SNR): 100dB
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9725AEBC+ has a total of 16 pins. Here is the detailed pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | INL | Left Channel Input | | 2 | INR | Right Channel Input | | 3 | GND | Ground | | 4 | SHDN | Shutdown Control Input | | 5 | VDD | Power Supply Voltage | | 6 | BYP | Bypass Capacitor Connection | | 7 | GND | Ground | | 8 | OUTL | Left Channel Output | | 9 | OUTR | Right Channel Output | | 10 | GND | Ground | | 11 | GAIN0 | Gain Control Input 0 | | 12 | GAIN1 | Gain Control Input 1 | | 13 | GND | Ground | | 14 | NC | No Connection | | 15 | GND | Ground | | 16 | PVDD | Power Supply Voltage |

Functional Features

• High output power capability allows for loud and clear audio playback.
• Low distortion ensures accurate reproduction of audio signals.
• Shutdown control input enables power-saving mode when the amplifier is not in use.
• Gain control inputs provide flexibility in adjusting the amplification level.
• Bypass capacitor connection enhances stability and performance.

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Compact package suitable for portable devices - Low distortion and high output power

Disadvantages: - Limited output power compared to larger audio amplifiers - Requires external gain control circuitry for precise adjustment

Working Principles

The MAX9725AEBC+ operates as a class AB stereo audio amplifier. It amplifies the audio signals received from the left and right channels, providing sufficient power to drive speakers or headphones. The amplifier's low distortion and high signal-to-noise ratio ensure faithful reproduction of the original audio content.

Detailed Application Field Plans

The MAX9725AEBC+ finds applications in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

• MAX9725AETC+ - Similar to MAX9725AEBC+, but comes in a 12-pin TQFN package.
• MAX9725BETC+ - Higher output power version of the MAX9725AEBC+.

In conclusion, the MAX9725AEBC+ is a high-performance stereo audio amplifier designed for portable devices. Its compact size, low distortion, and high output power make it an ideal choice for applications requiring high-quality audio amplification.