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Features

? AEC-Q100 qualified

? 24-bit digital processing

? 115 dB dynamic range (A-weighted)

? SB-I (SB - improved) high efficiency operation

the highest ’non - class D’ efficiency

? Parallel mode function availability

? High output power capability:

– 4 x 27 W 4?Ω?@ 14.4 V, 1 kHz, THD = 10

– 4 x 47 W 2 Ω @ 14.4 V, 1 kHz, THD = 10

? Flexible mode control:

– Full I2C bus driving 1.8V/3.3V) with four

addresses selectable (only for PowerSO36

package option)

– Independent front/rear play/ mute

– Selectable digital gains for very-low noise

line-out function

– Digital diagnostic with DC and AC load

detections

? Start-stop compatibility (operation down to 6V)

? Sample rates: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz

? Flexible serial data port (1.8 V / 3.3 V):

– I2S standard, TDM 4Ch, TDM 8Ch, TDM

16ch (8+8ch)

? Offset detector

? Independent front/rear clipping detector

? Programmable diagnostic pin

? CMOS compatible enable pin

? Thermal protection

? Pop free in mute to play transitions and viceversa

Description

The TDA7803A is a single chip quad bridge amplifier in advanced BCD technology integrating: a full D/A converter, digital input for direct connection to I2S (or TDM) and powerful MOSFET output stages.

The integrated D/A converter allows the performance to reach an outstanding 115 dB S/N ratio with more than 110 dB of dynamic range.

Moreover the TDA7803A integrates an innovative high efficiency concept, optimized also for uncorrelated music signals. The device is designed to be compatible to battery modulation for class-G systems.

Thanks to this concept, the dissipated “output power” under average listening conditions can be reduced up to 50 when compared to the conventional class AB solutions.

The TDA7803A integrates also a programmable PLL that is able to lock at the input frequencies of 64*Fs for all the input configurations.

The device is equipped with a full diagnostics array that communicates the status of each speaker through the I2C bus. The same I2C bus allows to control several configurations of the device.

The TDA7803A is able to play music down to 6 V supply voltage - so it is compatible with the so called 'start stop' battery profile recently adopted by several car makers (thus reducing the fuel consumption and the impact over the environment).