TDA7801 datasheet(11/48 Pages) STMICROELECTRONICS

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TDA7801

Application diagrams

Table 3. PowerSO36 pin description

N°

Function

TAB

TAB connection (GND)

CD/DIAG

Clip detector and diagnostic output:

Overcurrent protection intervention

Thermal warning

Offset detection

POR (Open drain output)

OUT4-

Channel 4 (right rear) negative output

VCC

Channels 3-4 positive supply

PW_GND

Power ground channel 4

VCC

Channels 3-4 positive supply

OUT4+

Channel 4 (right rear) positive output

I2C Data

I2C Data / legacy mode mute

I2C Clock

I2C Clock / enable legacy mode

I2C Address

Pll loop

filter/Enable

Pll loop filter / Enable

OUT2+

Channel 2 (left rear) positive output

VCC

Channel 1-2 positive supply

Not connected

PW_GND

Power ground channel 2

VCC

Channel 1-2 positive supply

OUT2-

Channel 2 (left rear) negative output

Word Select (I2S bus, logic input)

OUT1-

Channel 1 (left front) negative output

Not connected

PW_GND

Power ground channel 1

OUT1+

Channel 1 (left front) positive output

Not connected

SCK

Serial clock (I2S bus, logic input)

SD2_4

Serial data channels 2 and 4 (I2S bus, logic input)

SD1_3

Serial data channels 1 and 3 (I2S bus, logic input)

Dgnd

Digital ground

Agnd

Analog ground

D3V

Digital 3.3 V supply filter

A3V

Analog 3.3 V supply filter

OUT3+

Channel 3 (right front) positive output

PW_GND

Power ground channel 3

Not connected

OUT3-

Channel 3 (right front) negative output

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