TDA7850 データシートの表示（PDF） - STMicroelectronics

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TDA7850

4 x 50W MOSFET Quad Bridge Power Amplifier Plus HSD

STMicroelectronics 

TDA7850

4 x 50W MOSFET

Quad bridge power amplifier plus HSD

Features

■ Superior output power capability:

4 x 50W/4Ω Max.

4 x 30W/4Ω @ 14.4V, 1KHz, 10%

4 x 80W/2Ω Max.

4 x 55W/2Ω @ 14.4V, 1KHz, 10%

■ MOSFET Output power stage

■ Excellent 2Ω driving capability

■ HI-FI class distortion

■ Low output noise

■ ST-BY Function

■ Mute function

■ Automute at min. supply voltage detection

■ Low external component count:

– Internally fixed gain (26dB)

– No external compensation

– No bootstrap capacitors

■ On board 0.35A 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

■ ESD

Flexiwatt25

(Vertical)

Flexiwatt25

(Horizontal)

Description

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 minimised saturation losses,

sets new power references in the car-radio field,

with unparalleled distortion performances.

The TDA7850 integrates a DC offset detector.

Order codes

Part number

TDA7850

TDA7850H

Package

Flexiwatt25 (Vertical)

Flexiwatt25 (Horizontal)

Packing

Tube

Tube

November 2006

Rev 1

1/14

www.st.com

1

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