LM4922TL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-quality audio amplification - Low power consumption - Small package size - Wide operating voltage range

Package: Thin Shrink Small Outline Package (TSSOP)

Essence: The LM4922TL/NOPB is a high-performance audio amplifier IC designed for portable electronic devices such as smartphones, tablets, and portable media players.

Packaging/Quantity: The LM4922TL/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion (THD): <0.1%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4922TL/NOPB has the following pin configuration:

1. INL-: Negative input for left channel
2. INL+: Positive input for left channel
3. GND: Ground
4. VDD: Positive supply voltage
5. SHDN: Shutdown control input
6. OUTL: Left channel audio output
7. INR-: Negative input for right channel
8. INR+: Positive input for right channel
9. Bypass: Bypass capacitor connection
10. OUTR: Right channel audio output

Functional Features

• Single-ended stereo audio amplification
• Built-in shutdown control for power saving
• Excellent power supply rejection ratio (PSRR)
• Thermal shutdown protection
• Short-circuit and over-temperature protection

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Low power consumption - Small package size for space-constrained applications - Wide operating voltage range allows compatibility with various power sources

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Working Principles

The LM4922TL/NOPB is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It amplifies the input audio signals and delivers them to the connected speakers or headphones. The shutdown control feature allows the device to enter a low-power state when not in use, conserving battery life.

Detailed Application Field Plans

The LM4922TL/NOPB is commonly used in portable electronic devices where high-quality audio amplification is required. Some of the typical application fields include: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

• LM4863L/NOPB
• TPA3110D2PWP
• MAX98357AETE+T
• TAS5727PHPR
• PAM8406DR

These alternative models offer similar functionality and can be considered as alternatives to the LM4922TL/NOPB based on specific requirements and design considerations.

In conclusion, the LM4922TL/NOPB is a high-performance audio amplifier IC suitable for portable electronic devices. Its compact size, low power consumption, and excellent audio quality make it an ideal choice for various applications.