Product Summary

The TDA7850 is a class AB audio power amplifier. The TDA7850 is in Flexiwatt 25 package designed for high power car radio. The fully complementary P-Channel/NChannel 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.

Parametrics

TDA7850 absolute maximum ratings: (1)VS Operating supply voltage: 18 V; (2)VS (DC)DC supply voltage: 28 V; (3)VS (pk)Peak supply voltage (for t = 50ms): 50 V; (4)Ptot Power dissipation Tcase = 70°C: 80 W; (5)Tj Junction temperature: 150 °C; (6)Tstg Storage temperature: -55 to 150 °C.

Features

TDA7850 features: (1)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%; (2) MOSFET output power stage; (3) Excellent 2Ω driving capability; (4) Hi-Fi class distortion; (5) Low output noise; (6) ST-BY function; (7) Mute function; (8) Automute at min. supply voltage detection; (9) Low external component count: Internally fixed gain (26dB), No external compensation, No bootstrap capacitors; (10) On board 0.35A high side driver.

Diagrams

TDA7850 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
TDA7850
TDA7850

STMicroelectronics

Audio Amplifiers 4 x 50 W MOSFET Quad Bridge Pwr Amplifier

Data Sheet

0-211: $5.96
211-250: $5.44
250-500: $5.08
500-1000: $4.66
TDA7850A
TDA7850A

STMicroelectronics

Audio Amplifiers 4 x 50 W MOSFET Quad Bridge Pwr Amplifier

Data Sheet

0-211: $5.96
211-250: $5.44
250-500: $5.08
500-1000: $4.66
TDA7850AH
TDA7850AH

STMicroelectronics

Audio Amplifiers 4 x 50 W MOSFET Quad Bridge Pwr Amplifier

Data Sheet

0-211: $5.96
211-250: $5.44
250-500: $5.08
500-1000: $4.66
TDA7850ASM
TDA7850ASM

STMicroelectronics

Audio Amplifiers 4 x 50 W MOSFET Quad Bridge Pwr Amplifier

Data Sheet

0-179: $8.62
179-250: $6.68
250-500: $5.82
500-1000: $5.67
TDA7850H
TDA7850H

STMicroelectronics

Audio Amplifiers 4 x 50 W MOSFET Quad Bridge Pwr Amplifier

Data Sheet

0-211: $5.96
211-250: $5.44
250-500: $5.08
500-1000: $4.66