MAX9892ERT+T

Overview

• Category: Integrated Circuit
• Use: Audio Amplifier
• Characteristics: High-performance, low-power, stereo audio amplifier
• Package: 24-pin TQFN
• Essence: MAX9892ERT+T is a high-quality audio amplifier designed for various applications requiring amplified audio signals.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications and Parameters

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.4W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.015% at 1kHz, 1.2W output power
• Signal-to-Noise Ratio (SNR): 103dB A-weighted
• Shutdown Current: 0.01µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9892ERT+T features a 24-pin TQFN package with the following pin configuration:

1. VDD
2. GND
3. SD
4. INL-
5. INL+
6. BYP
7. OUTL
8. NC
9. NC
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NCP
20. INR+
21. INR-
22. OUTR
23. NC
24. NC

Functional Characteristics

• High-quality stereo audio amplification
• Low-power consumption
• Wide supply voltage range for flexibility
• Built-in shutdown mode for power saving
• Excellent THD+N performance for clear audio reproduction
• High SNR for improved audio quality
• Internal bypass capacitor for simplified design

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low-power consumption - Wide supply voltage range - Compact package size - Shutdown mode for power saving

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

Applicable Range of Products

The MAX9892ERT+T is suitable for a wide range of audio amplification applications, including but not limited to: - Portable audio devices - Headphones and earphones - Bluetooth speakers - Home audio systems - Automotive audio systems

Working Principles

The MAX9892ERT+T operates as a class D audio amplifier, utilizing pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It converts the input audio signal into a series of high-frequency pulses, which are then filtered and amplified to drive the connected speakers or headphones.

Detailed Application Field Plans

1. Portable Audio Devices: The MAX9892ERT+T can be used in smartphones, tablets, and portable media players to enhance the audio output quality and volume.
2. Headphones and Earphones: By integrating the MAX9892ERT+T into headphone or earphone designs, manufacturers can provide users with improved audio performance and clarity.
3. Bluetooth Speakers: The low-power consumption and compact package make the MAX9892ERT+T ideal for use in wireless speakers, delivering high-quality audio playback.
4. Home Audio Systems: Incorporating the MAX9892ERT+T into home audio receivers or amplifiers enables enhanced audio reproduction for a more immersive listening experience.
5. Automotive Audio Systems: The MAX9892ERT+T can be utilized in car audio systems to deliver high-fidelity sound while minimizing power consumption.

Detailed Alternative Models

1. MAX98357A: Another audio amplifier from Maxim Integrated, offering similar features and performance.
2. TPA3116D2: A class D audio amplifier from Texas Instruments, suitable for various audio applications.
3. LM386: A popular low-power audio amplifier integrated circuit with a simple design and wide availability.
4. TAS5630: A high-performance class D audio amplifier from Texas Instruments, designed for professional audio applications.
5. STA540: A stereo audio amplifier from STMicroelectronics, providing high output power and excellent audio quality.

5 Common Technical Questions and Answers

1. Q: What is the maximum output power of the MAX9892ERT+T? A: The MAX9892ERT+T can deliver up to 1.4W per channel.

2. Q: Can the MAX9892ERT+T operate on a single supply voltage? A: Yes, the MAX9892ERT+T has a wide supply voltage range of 2.7V to 5.5V, allowing it to operate on a single supply.

3. Q: Does the MAX9892ERT+T have a shutdown mode? A