STA538B 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

STA538B

2 x 1.3 W class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX

STMicroelectronics 

STA538

Connection diagrams and pin descriptions

Table 3. Package: VFQFPN52 (continued)

Pin #

Name

Type

Description

7

VLO

Analog input ADC Low reference voltage

40

FILT

Analog

input/output

PLL loop filter terminal

42

VDDPLL Supply

PLL analog supply

41

GNDPLL Ground

PLL analog ground

16

OUT1A

Analog output Channel 1 half-bridge A output

19

OUT1B

Analog output Channel 1 half-bridge B output

25

OUT2A

Analog output Channel 2 half-bridge A output

22

OUT2B

Analog output Channel 2 half-bridge B output

31

POWERFAULT/

EADP

Digital output

Power fault signal (active high)/external audio power

down signal

15

VCC1A

Supply

Channel 1 half-bridge A power supply

20

VCC1B

Supply

Channel 1 half-bridge B power supply

26

VCC2A

Supply

21

VCC2B

Supply

Channel 2 half-bridge A power supply

Channel 2 half-bridge B power supply

17

GND1A

Ground

Channel 1 half-bridge A power ground

18

GND1B

Ground

Channel 1 half-bridge B power ground

24

GND2A

Ground

Channel 2 half-bridge A power ground

23

GND2B

Ground

30

VCC33

Supply

Channel 2 half-bridge B power ground

Pre-driver supply

27

GND33

Ground

Pre-driver ground

13

VDD1

Supply

Digital supply

12

GND1

Ground

44

VDD2

Supply

Digital ground

Digital supply

43

GND2

Ground

Digital ground

29

VDDIO1 Supply

I/O ring supply

28

GNDIO1 Ground

I/O ring ground

50

VDDIO2 Supply

49

GNDIO2 Ground

I/O ring supply

I/O ring ground

11/59

Share Link: