MAX97220DETE+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power stereo audio amplifier
• Package: TDFN-14 (Thin Dual Flat No-Lead) package
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.4W per channel into 8Ω load at 5V supply voltage
• Total Harmonic Distortion + Noise (THD+N): <0.1% at 1kHz, 1.2W output power
• Signal-to-Noise Ratio (SNR): >100dB
• Shutdown Current: <1μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX97220DETE+ has a total of 14 pins. 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. INL+ - Left channel audio input
6. BYP - Bypass capacitor connection
7. OUTL - Left channel audio output
8. NC - No connection
9. NC - No connection
10. OUTR - Right channel audio output
11. INR+ - Right channel audio input
12. INR- - Right channel audio input
13. GND - Ground reference
14. VDD - Power supply voltage input

Functional Features

• High-quality audio amplification for stereo applications
• Low-power consumption, suitable for portable devices
• Shutdown control for power-saving mode
• Bypass capacitor connection for improved audio performance
• Thermal and short-circuit protection for enhanced reliability

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low-power consumption - Compact form factor - Shutdown control for power-saving - Thermal and short-circuit protection

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

Working Principles

The MAX97220DETE+ is a class AB stereo audio amplifier that operates on a low-voltage power supply. It utilizes internal circuitry to amplify the audio signals received from the left and right channel inputs. The amplified audio signals are then delivered to the respective left and right channel outputs.

The amplifier incorporates various protection mechanisms to ensure reliable operation, including thermal shutdown and short-circuit protection. Additionally, the shutdown control feature allows the amplifier to enter a low-power mode when not in use, conserving energy.

Detailed Application Field Plans

The MAX97220DETE+ is widely used in various audio applications, including but not limited to: - Portable media players - Smartphones and tablets - Bluetooth speakers - Headphone amplifiers - Gaming consoles - Automotive audio systems

Detailed and Complete Alternative Models

• MAX97220AETE+: Similar to MAX97220DETE+, but with extended temperature range (-40°C to +125°C)
• MAX97220BETE+: Higher output power version of MAX97220DETE+, capable of delivering up to 2.8W per channel into 8Ω load at 5V supply voltage
• MAX97220CETE+: Enhanced version with additional features such as adjustable gain control and integrated volume control

In conclusion, the MAX97220DETE+ is a high-performance, low-power stereo audio amplifier designed for various portable audio applications. Its compact form factor, low-power consumption, and reliable operation make it an ideal choice for audio amplification needs.