Digital input quad power amplifier
TDA7801
Digital input quad power amplifier with built-in diagnostics features
Datasheet - production data
Two I2C b...
Description
TDA7801
Digital input quad power amplifier with built-in diagnostics features
Datasheet - production data
Two I2C bus addresses and 8-ch TDM mode (only in PowerSO package)
Optional non I2C bus mode
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PowerSO36 (slug-up)
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Flexiwatt27 (horizontal)
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
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Flexiwatt27 (vertical)
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Flexiwatt27 (SMD)
Linear thermal protection (four thermal warnings)
ESD protection
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 @ 14.4 V, 1 kHz, 10 % THD
Max. output power 4x72 W/2 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)
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 dynami...
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