TDA7850 Amplifier: Package, Pinout, and Datasheet

The TDA7850 is a breakthrough MOSFET technology class AB audio power amplifier in Flexiwatt 25 package designed for high-power car radio. The fully complementary P-Channel/N Channel output structure allows a rail to rail output voltage swing which, combined with high output current and minimized saturation losses sets new power references in the car-radio field, with unparalleled distortion performances.

The TDA7850 integrates a DC offset detector.

Symbol

Footprint

3D Model

● High output power capability

– 4 x 50 W/4Ω max.

– 4 x 30 W/4Ω @ 14.4 V, 1 kHz, 10 %

– 4 x 80 W/2Ω max.

– 4 x 55 W/2Ω @ 14.4V, 1 kHz, 10 %

● MOSFET output power stage

● Excellent 2Ω driving capability

● Hi-Fi class distortion

● Low output noise

● ST-BY function

● Mute function

● Automate at min. supply voltage detection

● Low external component count:

– Internally fixed gain (26 dB)

– No external compensation

– No bootstrap capacitors

● Onboard 0.35 A high side driver

Protections:

● Output short circuit to gnd, to Vs, across the load

● Very inductive loads

● Overrating chip temperature with soft thermal limiter

● Output DC offset detection

● Load dump voltage

● Fortuitous open gnd

● Reversed battery

STMicroelectronics TDA7850 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics TDA7850.

Functional Block Diagram

STMicroelectronics is a globally recognized semiconductor company. They are dedicated to developing semiconductor solutions for various microelectronics applications. STMicroelectronics enjoys unrivaled silicon and system expertise, strong manufacturing strength, IP portfolio, and solid relationships with their strategic partners. Based on these advantages, STMicroelectronics has become a pioneer in System-on-Chip (SoC) technology and its products have a positive effect in realizing today's convergence trends.

Electronic circuits form a mostly invisible part of the world we live in today. These circuits are present in microchips or just “chips”, which combine the latest advances in performance, intelligence and, efficiency. Hundreds of thousands of these chips are integrated into each of the millions and billions of electronic devices people across the globe interact with every day. It is in this unseen realm that STMicroelectronics creates the sparks that animate the products they use at any given moment. Their technology is found everywhere microelectronics makes a positive contribution to people’s lives. 

Chips from ST embedding the most advanced innovations are an essential part of products as diverse as cars and key fobs, giant factory machines and data center power supplies, washing machines and hard disks, and smartphones and toothbrushes. They help their customers make these devices more intelligent, more energy-efficient, more connected, safer and more secure.

Download datasheets and manufacturer documentation for STMicroelectronics TDA7850.