MAX9723BETE+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX9723BETE+ belongs to the category of audio amplifier integrated circuits (ICs).

Use

This IC is primarily used for amplifying audio signals in various electronic devices, such as portable media players, smartphones, tablets, and other consumer electronics.

Characteristics

• The MAX9723BETE+ is a high-performance audio amplifier IC that offers excellent sound quality and low distortion.
• It operates on a single power supply voltage, making it suitable for battery-powered applications.
• This IC has a compact package size, allowing for space-efficient designs.
• It features a low quiescent current, enabling energy-efficient operation.
• The MAX9723BETE+ supports a wide range of input and output signal levels, providing flexibility in different audio applications.

Package and Quantity

The MAX9723BETE+ is available in a small 16-pin TQFN (Thin Quad Flat No-Lead) package. It is typically sold in reels or tubes containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.4W (into 8Ω load)
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >100dB
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9723BETE+ has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VDD - Power supply voltage input
2. GND - Ground reference
3. SHDN - Shutdown control input
4. INL - Left channel audio input
5. INR - Right channel audio input
6. VDD - Power supply voltage input
7. GND - Ground reference
8. OUTL - Left channel audio output
9. OUTR - Right channel audio output
10. BIAS - Bias voltage output
11. NC - No connection
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection

Functional Features

• High-quality audio amplification with low distortion and noise.
• Single-supply operation for easy integration into battery-powered devices.
• Shutdown control for power-saving functionality.
• Wide input and output signal range compatibility.
• Thermal and short-circuit protection mechanisms.

Advantages and Disadvantages

Advantages

• Excellent sound quality with low distortion.
• Energy-efficient operation due to low quiescent current.
• Compact package size for space-constrained designs.
• Wide input and output signal compatibility.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• Requires external components for proper circuit implementation.

Working Principles

The MAX9723BETE+ is a class AB audio amplifier IC that amplifies the input audio signals using a combination of voltage and current amplification stages. It operates on a single power supply voltage and utilizes internal feedback mechanisms to maintain accurate amplification and minimize distortion. The shutdown control allows for power-saving when the amplifier is not in use.

Detailed Application Field Plans

The MAX9723BETE+ can be used in various applications, including: 1. Portable media players 2. Smartphones and tablets 3. Personal computers and laptops 4. Home audio systems 5. Automotive audio systems

Alternative Models

For those seeking alternative options, the following audio amplifier ICs can be considered: 1. TPA3116D2 - Texas Instruments 2. LM386 - Texas Instruments 3. STA540 - STMicroelectronics 4. TDA7297 - STMicroelectronics 5. NJM2073D - New Japan Radio

These alternative models offer similar functionality and can be suitable replacements for the MAX9723BETE+ in various audio amplification applications.

In conclusion, the MAX9723BETE+ is a high-performance audio amplifier IC that provides excellent sound quality, low distortion, and energy-efficient operation. Its compact size and wide input/output signal compatibility make it suitable for a range of electronic devices. However, it has limitations in terms of output power and requires external components for proper implementation.