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TDA7851A

4 x 48 W MOSFET quad bridge power amplifier

Operating RangeAutomotive
Supply Voltage Min Volt8.0
Supply Voltage Max Volt18.0
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack2
GradeAutomotive
Package NameFLEXIWATT FM2 27

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...
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Key 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
  • 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
In stock
Quantity $ per unit Savings
1-9$6.300%
10-24$4.6227%
25-99$4.4130%
100-249$4.0935%
250-356$3.9238%
357-500$3.4346%
Contact sales
$6.30
$6.30
Operating RangeAutomotive
Supply Voltage Min Volt8.0
Supply Voltage Max Volt18.0
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack2
GradeAutomotive
Package NameFLEXIWATT FM2 27

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...
Read More

Key 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
  • 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