sta538 STMicroelectronics, sta538 Datasheet - Page 11

• Manufacturer Part Number: sta538
• Description: 2 X 1.3 W Class-d Amplifier With Analog Or Digital Input 2.0 Multichannel Digital Audio Processor With Ffx
• Manufacturer: STMicroelectronics

STA538
Table 3.
Pin #
40
42
41
16
19
25
22
31
15
20
26
21
17
18
24
23
30
27
13
12
44
43
29
28
50
49
7
POWERFAULT/
Package: VFQFPN52 (continued)
GNDPLL
VDDPLL
GNDIO1
GNDIO2
VDDIO1
VDDIO2
GND1A
GND1B
GND2A
GND2B
OUT1A
OUT1B
OUT2A
OUT2B
VCC1A
VCC1B
VCC2A
VCC2B
GND33
VCC33
Name
EADP
VDD1
GND1
VDD2
GND2
VLO
FILT
Analog input
Analog
input/output
Supply
Ground
Analog output
Analog output
Analog output
Analog output
Digital output
Supply
Supply
Supply
Supply
Ground
Ground
Ground
Ground
Supply
Ground
Supply
Ground
Supply
Ground
Supply
Ground
Supply
Ground
Type
ADC Low reference voltage
PLL loop filter terminal
PLL analog supply
PLL analog ground
Channel 1 half-bridge A output
Channel 1 half-bridge B output
Channel 2 half-bridge A output
Channel 2 half-bridge B output
Power fault signal (active high)/external audio power
down signal
Channel 1 half-bridge A power supply
Channel 1 half-bridge B power supply
Channel 2 half-bridge A power supply
Channel 2 half-bridge B power supply
Channel 1 half-bridge A power ground
Channel 1 half-bridge B power ground
Channel 2 half-bridge A power ground
Channel 2 half-bridge B power ground
Pre-driver supply
Pre-driver ground
Digital supply
Digital ground
Digital supply
Digital ground
I/O ring supply
I/O ring ground
I/O ring supply
I/O ring ground
Connection diagrams and pin descriptions
Description
11/59