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TDA7801

  • TDA7801

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TDA7801 Overview

The TDA7801 is a new BCD technology quad bridge amplifier for car audio applications.

Thanks to the BCD6 technology it is possible to integrate a high performance D/A converter together with powerful MOSFET outputs.

The possibility of having the D/A conversion on board allows the performance to reach an outstanding 115 dB S/N ratio with more than 105 dB of dynamic range.

This device is equipped with a full diagnostics array that communicates the status of each speaker through the I2C bus. The possibility to control the configuration and behavior of the device by means of the I2C bus makes TDA7801 a very flexible machine.

tda7801-1

Features

  • Integrated 110 dB D/A conversion
  • I2S digital input (3.3/1.8 V) with TDM option
  • Selectable input sampling frequency: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz
  • MOSFET power outputs
  • High output power capability 4x28 W/ 4 Ω @ 14.4 V, 1 kHz, 10 % THD
  • Max. output power 4x72 W/2 Ω
  • Full I2C bus driving (3.3/5 V):
  • Independent front/rear soft play/ mute
  • Selectable gain (four levels) for very low noise line-out function
  • I2C bus digital diagnostics (including DC and AC load detection)
  • Independent front/rear soft play/ mute
  • Selectable gain (four levels) for very low noise line-out function
  • I2C bus digital diagnostics (including DC and AC load detection)
  • Two I2C bus addresses and 8-ch TDM mode (only in PowerSO package)
  • Optional non I2C bus mode
  • Offset detector (play or mute mode)
  • Clipping detector (selectable level) and diagnostics pin
  • CMOS compatible enable pin (3.3/5 V)
  • Full fault protection
  • Four independent short circuit protections
  • Linear thermal protection (four thermal warnings)
  • ESD protection
TDA7801
TDA7801

Product Parameters

  • prmis_id

    CP133569

  • item_name

    TDA7801

  • p_445

  • p_1387

    8.01

  • p_4418

    1000

  • parent_id

    PF217700

  • p_4906

    true

  • p_5113

    239

  • p_163

    Active

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Other distributor's price

Distributor Part # Mfg. Description Price
arrow TDA7801 STMicroelectronics Audio Amp Speaker 4-CH Stereo 49W Class-AB Automotive 36-Pin PowerSO Slug Up T/R

600---$11.3810

3000---$11.2670

6000---$11.1540

9000---$11.0430

12000---$10.8690

15000---$10.7600

24000---$10.6530

30000---$10.6050

45000---$10.4990

48000---$10.0820
digikey TDA7801 STMicroelectronics IC AMP D QUAD 72W POWERSO-36

600---$9.2312
onlinecomponents TDA7801 STMicroelectronics

3---$22.6100

45---$9.1000

150---$8.7600

400---$8.4200

2000---$8.0900
future TDA7801 STMicroelectronics

600---$7.5100
newark TDA7801 STMicroelectronics Audio Power |Stmicroelectronics TDA7801PD

250---$9.4200
avnet TDA7801 STMicroelectronics Audio Amp Speaker 4-CH Stereo 49W Class-AB 36-Pin PowerSO Slug Up T/R - Tape and Reel (Alt: TDA7801PDTR)

600---$8.1081

1200---$7.9443

2400---$7.7805

3600---$7.6167

4800---$7.4529

6000---$7.2891

60000---$7.1253

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