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STMicroelectronics - 4 x 50 W MOSFET quad bridge power amplifier plus HSD

Numéro de référence TDA7850A
Description 4 x 50 W MOSFET quad bridge power amplifier plus HSD
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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TDA7850A fiche technique
TDA7850A
4 x 50 W MOSFET quad bridge power amplifier plus HSD
Features
High 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%
www.DataSheet4MUO.cSoFmET 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
Flexiwatt27
(vertical)
Flexiwatt27
(horizontal)
ESD
Description
The TDA7850A is a breakthrough MOSFET
technology class AB audio power amplifier in
Flexiwatt27 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 TDA7850A integrates a DC offset detector.
Table 1.
Device summary
Order code
TDA7850A
TDA7850AH
Package
Flexiwatt27 (vertical)
Flexiwatt27 (horizontal
Packing
Tube
Tube
October 2007
Rev 1
1/16
www.st.com
1

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