MAX9728AETC+TWGA8

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power stereo audio amplifier
• Package: TDFN-EP (Thin Dual Flat No-Lead Exposed Pad)
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.2W per channel into 8Ω load at 5V supply
• Total Harmonic Distortion + Noise (THD+N): 0.04% at 1kHz, 0.1W output power
• Efficiency: Up to 85%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9728AETC+TWGA8 has a total of 20 pins. The pin configuration is as follows:

1. SHDN - Shutdown Control 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. PVDD - Power Supply for the Output Stage
9. PGND - Ground for the Output Stage
10. OUTR - Right Channel Output
11. BYN - Bypass Capacitor Connection
12. INR+ - Right Channel Positive Input
13. INR- - Right Channel Negative Input
14. NC - No Connection
15. NC - No Connection
16. NC - No Connection
17. NC - No Connection
18. NC - No Connection
19. NC - No Connection
20. NC - No Connection

Functional Features

• High PSRR (Power Supply Rejection Ratio) of 80dB at 217Hz
• Low quiescent current of 1.6mA per channel
• Short-circuit and thermal protection
• Pop-and-click suppression during power-up and shutdown
• Differential inputs for improved noise rejection
• Internal gain setting resistors
• External gain configuration option

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Low power consumption - Compact form factor - Short-circuit and thermal protection - Pop-and-click suppression

Disadvantages: - Limited output power compared to higher wattage amplifiers - Limited pin configuration options

Working Principles

The MAX9728AETC+TWGA8 is a stereo audio amplifier that operates by amplifying the input audio signals received from the left and right channels. It utilizes internal gain setting resistors and differential inputs to provide high-quality audio amplification with low power consumption. The amplifier also includes various protection features such as short-circuit and thermal protection, ensuring safe operation.

Detailed Application Field Plans

The MAX9728AETC+TWGA8 can be used in various applications, including but not limited to:

1. Portable Audio Devices: Provides high-quality audio amplification for smartphones, tablets, and portable media players.
2. Headphone Amplifiers: Enhances the audio output of headphones, delivering a more immersive listening experience.
3. Home Audio Systems: Can be integrated into home theater systems or stereo receivers to amplify audio signals from different sources.
4. Automotive Audio Systems: Suitable for use in car audio systems, providing clear and powerful audio amplification for speakers.

Detailed and Complete Alternative Models

1. MAX9728AETC+T: Similar to MAX9728AETC+TWGA8, but without the exposed pad.
2. MAX9728AETC+: Same as MAX9728AETC+TWGA8, but with a different packaging option (TDFN-EP).
3. MAX9728AEBC+TWGA8: Similar to MAX9728AETC+TWGA8, but with a different package type (WLP).

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

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