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Description

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.

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/ 4Ω@ 14.4 V, 1 kHz, 10 THD

■ Max. output power 4x72 W/2Ω

■ 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)

■ 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 independent front/rear) and diagnostics pin

■ CMOS compatible enable pin (3.3/5 V)

■ Full fault protection

■ Four independent short circuit protections

■ Thermal protection (four levels)

■ ESD protection