TDA7851A - STMicroelectronics

Manufacturer Part Number

TDA7851A

Manufacturer

STMicroelectronics

Introduction

The TDA7851A is a high-performance, 4-channel Class AB audio power amplifier integrated circuit (IC) designed for use in various consumer electronics and automotive applications.

Product Features and Performance

4-channel (quad) audio power amplifier

Output power of 75W per channel at 2Ω load

Operates on a supply voltage range of 8V to 18V

High-efficiency Class AB amplifier topology

Integrated short-circuit, overload, and thermal protection

Mute and standby mode for power-saving

Low quiescent current and high power efficiency

Product Advantages

High output power in a compact package

Robust protection features for reliable operation

Flexibility in power supply voltage range

Optimized for low power consumption

Key Technical Parameters

4-channel amplifier

Output power: 75W per channel at 2Ω load

Supply voltage range: 8V to 18V

Quiescent current: 30mA (typical)

Thermal shutdown protection

Short-circuit and overload protection

Quality and Safety Features

ROHS3 compliant

Designed to meet safety and reliability standards

Compatibility

The TDA7851A is compatible with a wide range of consumer electronics and automotive applications that require high-performance, multi-channel audio amplification.

Application Areas

Automotive audio systems

Home theater and hi-fi equipment

Professional audio equipment

Industrial and commercial sound systems

Product Lifecycle

The TDA7851A is an active and widely-used product in the STMicroelectronics portfolio. Replacement or upgrade options may be available, but the product is not currently nearing discontinuation.

Several Key Reasons to Choose This Product

Exceptional audio performance with high output power

Robust protection features for reliable operation

Flexibility in power supply voltage range

Optimized for low power consumption

Compact and efficient design

Proven reliability and quality