N#

Pin

Function

22

Enable1

Chip Enable 1

23

DGSVR

Negative Digital Supply V(SVR)-0.9V (Internally generated)

24

D1V8SVR

Positive Digital Supply V(SVR)+0.9V (Internally generated)

25

DVdd

Digital supply

26

Dgnd

Digital ground

27

CPump1

Charge Pump pin1

28

VddCP

Charge Pump output voltage

29

CPump2

Charge Pump pin2

30-34

N.C.

Not connected

35

Vbattery

Main battery voltage (14V)

36-39

N.C.

Not connected

40

GND2-

Channel 2, half bridge minus, Power Ground

41

FB2-

Channel 2, half bridge minus, Feedback

42

OUT2-

Channel 2, half bridge minus, Output

43

OUT2-

Channel 2, half bridge minus, Output

44

VCC2-

Channel 2, half bridge minus, Boosted Power Supply

45

VCC2+

Channel 2, half bridge plus, Boosted Power Supply

46

OUT2+

Channel 2, half bridge plus, Output

47

OUT2+

Channel 2, half bridge plus, Output

48

FB2+

Channel 2, half bridge plus, Feedback

49

TAB

Device slug connection

50

GND2+

Channel 2, half bridge plus, Power Ground

51

CD/Diag

Clip detector / diagnostic pin

52

I2CClk

I2C clock

53

I2C-Data

I2C Data Input

54

SAI(1) Tx

I2S/TDM Data 2 (Data input, not used)(2)

55

SAI(1) Rx

I2S/TDM Data 1 (Data input)

56

SAI(1) Bit clk

I2S/TDM Clock

57

SAI(1) fs

I2S/TDM Sws (Frame Sync Input)

58

Agnd

Analog ground

59

AVdd

Analog supply

60

AGSVR

Negative Analog Supply V(SVR)-2.5V (Internally generated)

61

A5VSVR

Positive Analog Supply V(SVR)+2.5V (Internally generated)

62

SVR

Supply Voltage Ripple Rejection Capacitor

63

HWMute

Hardware mute pin

64

GND1+

Channel 1, half bridge plus, Power Ground

1. SAI: serial audio interface.

2. Connect to ground through resistance (10 kΩ).

FDA802SB

Pins description

DB4551 - Rev 1

page 5/15