TDA7802PDTR datasheet(4/10 Pages) STMICROELECTRONICS

4 / 10 page

Block diagram and pins description

TDA7802

4/10

DocID025017 Rev 4

Table 2. Flexiwatt27 pins description

N°

Function

TAB

TAB connection

Ground

PLLen

Pll loop filter / ENABLE

Input

PWGND2

Power ground channel 2

Power Ground

OUT 2-

Channel 2 (Left Rear) negative output

Power Output

Word select (I2S bus)

Logic Input

OUT 2+

Channel 2 (Left Rear) positive output

Power Output

VCC12

Channel 1 and 2 positive supply

Battery

OUT 1-

Channel 1 (Left Front) negative output

Power Output

PWGND1

Power ground channel 1

Power Ground

OUT 1+

Channel 1 (Left Front) positive output

Power Output

SCK

Serial clock (I2S bus)

Logic Input

SD24

Serial data channels 2 and 4 (I2S bus)

Logic Input

SD13

Serial data channels 1 and 3 (I2S bus)

Logic Input

DGND

Digital ground

Signal Ground

AGND

Analog ground

Signal Ground

D3V3

Digital 3.3 V supply filter

Digital Regulator

A3V3

Analog 3.3 V supply filter

Analog Regulator

OUT3+

Channel 3 (right front) positive output

Power Output

PWGND3

Power ground channel 3

Power Ground

OUT3-

Channel 3 (right front) negative output

Power Output

VCC34

Channels 3 and 4 positive supply

Battery

OUT4+

Channel 4 (right rear) positive output

Power Output

CDdiag

Clip detector and diagnostic output:

Overcurrent protection intervention

Thermal warning

POR

Output DC offset

Output short to VCC/GND

Open Drain Output

OUT4-

Channel 4 (right rear) negative output

Power Output

PWGND4

Power ground channel 4

Power Ground

SDAlm

I2C data/legacy mode mute

Signal Input/Output

SCLlen

I2C clock/enable legacy mode

Signal Input

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