MAX9728BEUD+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX9728BEUD+ belongs to the category of audio amplifiers.

Use

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

Characteristics

• High-quality audio amplification
• Low power consumption
• Compact size
• Wide input voltage range
• Excellent signal-to-noise ratio
• Built-in thermal and short-circuit protection

Package

The MAX9728BEUD+ comes in a small and compact package, making it suitable for space-constrained applications. It is available in a 14-pin TSSOP (Thin Shrink Small Outline Package) format.

Essence

The essence of the MAX9728BEUD+ lies in its ability to provide high-quality audio amplification while consuming minimal power and occupying a small footprint.

Packaging/Quantity

This 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 1.2W
• Total Harmonic Distortion (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9728BEUD+ has a total of 14 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. BYP - Bypass capacitor connection
7. VDD - Power supply voltage input
8. GND - Ground reference
9. OUTR - Right channel audio output
10. OUTL - Left channel audio output
11. FB - Feedback pin for gain control
12. AGND - Analog ground reference
13. NC - No connection
14. VDD - Power supply voltage input

Functional Features

• Single-ended stereo audio amplification
• Adjustable gain control
• Short-circuit and thermal protection
• Low quiescent current
• Pop-and-click suppression during power-up and shutdown

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Not suitable for high-power audio applications

Working Principles

The MAX9728BEUD+ operates by receiving audio signals from the input pins (INL and INR) and amplifying them using an internal amplifier circuit. The gain of the amplifier can be adjusted using the feedback pin (FB). The amplified audio signals are then output through the respective output pins (OUTL and OUTR).

Detailed Application Field Plans

The MAX9728BEUD+ finds applications in various electronic devices where audio amplification is required. Some potential application fields include: - Smartphones and tablets - Portable media players - Bluetooth speakers - Gaming consoles - Personal computers

Detailed and Complete Alternative Models

1. MAX9728AETC+
2. MAX9728BETC+
3. MAX9728CEBC+
4. MAX9728DEBC+
5. MAX9728EEBC+

These alternative models offer similar functionality and characteristics to the MAX9728BEUD+, providing options for different package types or slight variations in specifications.

In conclusion, the MAX9728BEUD+ is a compact and efficient audio amplifier suitable for various consumer electronic devices. Its high-quality audio amplification, low power consumption, and built-in protection features make it an excellent choice for applications where space and power efficiency are crucial.