MAX9722AETE+C2N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power stereo audio amplifier
• Package: 16-pin TQFN (Thin Quad Flat No-Lead) package
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Power Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.2W per channel into 8Ω load at 5V supply voltage
• Total Harmonic Distortion + Noise (THD+N): 0.04% at 1kHz, 1W output power
• Signal-to-Noise Ratio (SNR): 100dB at 1kHz, 1W output power
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9722AETE+C2N features a 16-pin TQFN package with the following pin configuration:

1. SHDN - Shutdown Control Input
2. GND - Ground
3. INL - Left Channel Audio Input
4. INR - Right Channel Audio Input
5. VDD - Positive Power Supply
6. BYP - Bypass Capacitor Connection
7. OUTR - Right Channel Audio Output
8. OUTL - Left Channel Audio Output
9. PGND - Power Ground
10. BST - Boost Capacitor Connection
11. FB - Feedback Input
12. NC - No Connect
13. NC - No Connect
14. NC - No Connect
15. NC - No Connect
16. NC - No Connect

Functional Features

• High Efficiency: The MAX9722AETE+C2N utilizes a Class D amplifier architecture, providing high efficiency and low power consumption.
• Low Noise: With a high SNR of 100dB, the audio output is characterized by minimal background noise.
• Thermal and Short-Circuit Protection: The IC incorporates thermal shutdown and short-circuit protection mechanisms to ensure safe operation.
• Wide Power Supply Range: The device can operate within a wide voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Compact Size: The small form factor of the MAX9722AETE+C2N makes it ideal for space-constrained designs. - High-Quality Audio: The amplifier delivers high-quality audio reproduction with low distortion. - Energy Efficient: Its Class D architecture ensures efficient power utilization, reducing energy consumption.

Disadvantages: - Limited Output Power: The maximum output power of 1.2W per channel may not be sufficient for high-power audio applications. - Sensitivity to Noise: Due to its high gain, the amplifier may be more susceptible to external noise interference.

Working Principles

The MAX9722AETE+C2N operates as a Class D audio amplifier. It converts the incoming analog audio signal into a pulse-width modulated (PWM) signal using a switching circuit. This PWM signal is then amplified and filtered to produce the final audio output. The Class D architecture allows for high efficiency by minimizing power dissipation in the output stage.

Detailed Application Field Plans

The MAX9722AETE+C2N finds applications in various audio-related fields, including:

1. Portable Audio Devices: The compact size and low power consumption make it suitable for use in portable music players, smartphones, and tablets.
2. Headphone Amplifiers: The amplifier can drive headphones directly, enhancing the audio experience for users.
3. Multimedia Systems: It can be integrated into multimedia systems, such as laptops and televisions, to improve audio output quality.
4. Automotive Audio: The IC can be used in car audio systems to amplify audio signals for speakers or headphones.

Detailed and Complete Alternative Models

1. MAX9722AETE+T: Similar to MAX9722AETE+C2N but without the C2N suffix denoting tape and reel packaging.
2. MAX9722AETE+T7: Same as MAX9722AETE+T, but with extended temperature range (-40°C to +125°C).
3. MAX9722AETE+TG16: Similar to MAX9722AETE+T, but supplied in a 16-pin TQFN package with gold-plated leads.

These alternative models offer similar functionality and performance characteristics, providing flexibility based on specific application requirements.

In conclusion, the MAX9722AETE+C2N is a high-performance audio amplifier IC that offers compact size, low power consumption, and excellent audio quality. Its versatile applications make it suitable for various audio-related fields, including portable devices, headphone