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TDA7851FH-QIXDatasheet PDF
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This is information on a product in full production.
February 2016 DocID17714 Rev 4 1/18
TDA7851F
4 x 48 W MOSFET quad bridge power amplifier
Datasheet - production data
Features
Multipower BCD technology
High output power capability:
– 4 x 48 W/4 Ω max.
– 4 x 28 W/4 Ω @ 14.4 V, 1 kHz, 10%
– 4 x 72 W/2 Ω max.
MOSFET output power stage
Excellent 2 Ω driving capability
Hi-Fi class distortion
Low output noise
Standby function
Mute function
Automute at min. supply voltage detection
Low external component count:
– Internally fixed gain (26 dB)
– No external compensation
– No bootstrap capacitors
Output DC offset detector
Protections:
– Output short circuit to GND, to V
s
, across
the load
– Very inductive loads
– Overrating chip temperature with soft
thermal limiter
– Load dump voltage
– Fortuitous open GND
– Reversed battery
– ESD
Description
The TDA7851F is a breakthrough MOSFET
technology class AB audio power amplifier,
designed for high-power car radio.
The fully complementary P-Channel/N-Channel
output structure allows a rail-to-rail output voltage
swing. This, combined with high output current
and minimized saturation losses, sets new power
references in the car-radio field, with unparalleled
distortion performance.
'
!0'03
'!0'03
Flexiwatt25
(Horizontal)
Flexiwatt25
(Vertical)
Table 1. Device summary
Order code Package Packing
TDA7851F Flexiwatt25 (vertical) Tube
TDA7851FH-QIX Flexiwatt25 (horizontal) Tube
www.st.com
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