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TDA7851 Datasheet - ST Microelectronics
| Manufacturer: | ST Microelectronics |
| Category: | Audio Amplifiers |
| Case Package: | 25-Flexiwatt |
| Description: | 4 X 45W MOSFET QUAD BRIDGE POWER AMPLIFIER |
| Pictures: |
TDA7851Datasheet PDF
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July 2010 Doc ID 17715 Rev 1 1/15
1
TDA7851A
4 x 45 W MOSFET quad bridge power amplifier
Features
■ Multipower BCD technology
■ High output power capability:
–4 x 45 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
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
Description
The TDA7851A 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.
Flexiwatt 27
Table 1. Device summary
Order code Package Packing
TDA7851A Flexiwatt 27 Tube
www.st.com
www.DataSheet4U.com
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