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STA381BWS Folha de dados(PDF) 20 Page - STMicroelectronics

Nome de Peças STA381BWS
Descrição Electrónicos  Sound Terminal 2.1-channel high-efficiency digital audio system
PDF  174 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BWS Folha de dados(HTML) 20 Page - STMicroelectronics

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Pin connections
STA381BWS
20/174
DocID018937 Rev 7
2.2
Pin description
Table 2. Pin list
VQFN 48-pin
Name
Type
Description
1
VCC_REG
Power
VCC reg
2
VSS_REG
Power
Vss reg, VCC_REG-3.3 V
3
OUT2B
Output
Half-bridge 2B output
4
GND2
Power
Half-bridge 2A and 2B ground
5
VCC2
Power
Half-bridge 2A and 2B supply
6
OUT2A
Output
Half-bridge 2A output
7
OUT1B
Output
Half-bridge 1B output
8
VCC1
Power
Half-bridge 1A and 1B supply
9
GND1
Power
Half-bridge 1A and 1B ground
10
OUT1A
Output
Half-bridge 1A output
11
VDD_REG
Power
VDD reg 3.3 V
12
GND_REG
Power
DC reg ground
13
F3X_FILT
Power
F3X reference voltage
14
F3XL
Output
F3X analog out left channel
15
F3XR
Output
F3X analog out right channel
16
LINEINL
Input
Line in left channel
17
LINEINR
Input
Line in right channel
18
LINEHPOUT_L
Output
Headphone/line driver left channel
19
LINEHPOUT_R
Output
Headphone/line driver right channel
20
GNDA
Power
Headphone/line driver power ground
21
SOFTMUTE
Input
Soft mute
22
VDD3V3
Power
+3 V LDO power supply
23
CPVSS
Power
-3.3 V charge pump pin
24
CPM
Filter
CHP Cfly negative
25
GNDPSUB
Power
Charge pump ground
26
CPP
Filter
CHP Cfly positive
27
VDD3V3CHP
Power
Charge pump power supply
28
VDDDIG1
Power
I/O ring power supply
29
GNDDIG1
Power
Digital core ground
30
FFX3A
Output
Digital PWM line out
31
FFX3B
Output
Digital PWM line out
Obsolete
Product(s)
- Obsolete
Product(s)



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