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ST Microelectronics - 4 x 50W MOSFET Quad Bridge Power Amplifier Plus HSD

Numéro de référence TDA7850
Description 4 x 50W MOSFET Quad Bridge Power Amplifier Plus HSD
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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TDA7850 fiche technique
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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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