MAX9702ETI+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX9702ETI+ belongs to the category of integrated audio amplifiers.

Use

It is primarily used for audio amplification in various electronic devices such as smartphones, tablets, laptops, and portable audio players.

Characteristics

• High-quality audio amplification
• Low power consumption
• Compact size
• Wide input voltage range
• Excellent signal-to-noise ratio

Package

The MAX9702ETI+ comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of MAX9702ETI+ lies in its ability to provide efficient and high-fidelity audio amplification in a compact form factor.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.4W
• Total Harmonic Distortion (THD): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9702ETI+ has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VDD - Power supply voltage
2. GND - Ground reference
3. SHDN - Shutdown control input
4. BIAS - Bias voltage output
5. INL - Left channel audio input
6. INR - Right channel audio input
7. BYP - Bypass capacitor connection
8. OUTL - Left channel audio output
9. OUTR - Right channel audio output
10. FB - Feedback resistor connection
11. AGND - Analog ground reference
12. VDD - Power supply voltage
13. GND - Ground reference
14. VDD - Power supply voltage
15. GND - Ground reference
16. VDD - Power supply voltage

Functional Features

• Single-supply operation
• Shutdown mode for power saving
• Short-circuit and thermal protection
• External gain control
• Low quiescent current

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low power consumption
• Compact size for space-constrained applications
• Wide input voltage range for compatibility with various audio sources
• Excellent signal-to-noise ratio for clear audio reproduction

Disadvantages

• Limited output power compared to higher wattage amplifiers
• May require additional external components for optimal performance

Working Principles

The MAX9702ETI+ operates as a class D audio amplifier, utilizing pulse-width modulation (PWM) techniques to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the desired audio output.

Detailed Application Field Plans

The MAX9702ETI+ finds application in various electronic devices where audio amplification is required. Some of the potential application fields include: - Smartphones and tablets - Laptops and desktop computers - Portable audio players - Home theater systems - Automotive audio systems

Detailed and Complete Alternative Models

1. MAX9717ETE+
2. MAX97220AETE+
3. MAX9744ETE+
4. MAX9768ETG+
5. MAX9789AETJ+

These alternative models offer similar functionality and features to the MAX9702ETI+, providing options for different design requirements and specifications.

In conclusion, the MAX9702ETI+ is an integrated audio amplifier that offers high-quality audio amplification, low power consumption, and compact size. It is widely used in various electronic devices and finds application in multiple fields. While it has certain limitations, its advantages make it a popular choice for audio amplification needs.