MAX9725CEBC+TG45

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power stereo audio amplifier
• Package: Ceramic Ball Grid Array (CBGA)
• Essence: Amplifies audio signals for various applications
• Packaging/Quantity: Tape and Reel, 250 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: 87% at 1.2W output power
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9725CEBC+TG45 has a total of 16 pins. The pin configuration is as follows:

1. SHDN - Shutdown 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. GND - Ground
16. SHDN - Shutdown Input

Functional Features

• Low quiescent current consumption
• Wide supply voltage range
• Thermal and short-circuit protection
• Pop and click suppression during power-up and shutdown
• Low distortion and noise levels
• High efficiency

Advantages and Disadvantages

Advantages: - Low power consumption - Wide supply voltage range allows for flexibility in various applications - Thermal and short-circuit protection ensures device safety - Pop and click suppression enhances user experience - High efficiency results in less power wastage

Disadvantages: - Limited output power compared to higher wattage amplifiers - May require additional external components for certain applications

Working Principles

The MAX9725CEBC+TG45 is a class AB stereo audio amplifier that operates on a single positive power supply. It utilizes a bridge-tied load (BTL) configuration to amplify audio signals. The amplifier receives input signals from the left and right channels, amplifies them, and delivers the amplified signals to the respective outputs.

The device incorporates various protection features such as thermal shutdown and short-circuit protection to prevent damage to the amplifier and connected speakers. Additionally, pop and click suppression circuitry ensures smooth power-up and shutdown transitions, eliminating any audible disturbances.

Detailed Application Field Plans

The MAX9725CEBC+TG45 is suitable for a wide range of audio applications, including but not limited to:

1. Portable audio devices: MP3 players, smartphones, tablets
2. Headphone amplifiers
3. Multimedia systems: laptops, desktop computers, gaming consoles
4. Home audio systems: mini hi-fi systems, powered speakers
5. Automotive audio systems: car stereos, amplifiers

Detailed and Complete Alternative Models

1. MAX9725AETC+T: Similar specifications, available in a smaller TDFN package.
2. MAX9725DEBC+TG45: Higher output power, suitable for applications requiring more wattage.
3. MAX9725EEBC+TG45: Lower quiescent current consumption, ideal for battery-powered devices.

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

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