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TDA7901 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7901
功能描述  High efficiency digital input automotive quad power amplifier with built-in diagnostics features, Class-G integrated, ’start stop’ compatible
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7901 数据表(HTML) 3 Page - STMicroelectronics

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1
Block diagram and pins description
1.1
Block diagram
Figure 1. Block diagram
33
2
27
26
1
34
35
4
interface
Power Filter
Transresistance
Fully Balanced
Power Filter
Transresistance
Fully Balanced
Power Filter
Transresistance
Fully Balanced
Power Filter
Transresistance
Fully Balanced
OUT4-
OUT4+
OUT3-
OUT3+
OUT2-
OUT2+
OUT1-
OUT1+
WS
SCK
SD13
SD24
STBY
D3V3
DGND
A3V3
AGND
TAB
PWGND4 PWGND3
PWGND1 PWGND2
I2C
SDA
SCL
I2S
ST-BY
VCC
ADC
Diagn.
I2C
CD/DIAG
VCC34 VCC34
14
11
12
13
10
18
15
19
22
5
23
3
25
24
21
16
PLL
7
8
17
VCC12 VCC12
20
ADD
6
36
BUCK CONVERTER
RSENSE GH
Converter
Buck
29
30
VBATM6V VBAT
31
32
VBUCK
28
UNMUTE
9
Digital Core
Audio Processing
Diagnostic
D2A
CH1
D2A
CH2
D2A
CH3
D2A
CH4
1.2
Pin description
Figure 2. Pin connection
18
16
17
15
6
5
4
3
2
21
22
31
32
33
35
34
36
20
1
19
9
8
7
28
29
30
10
27
14
12
11
23
25
26
13
24
VCC12
PWGND1
OUT1+
CD/DIAG
DGND
D3V3
AGND
A3V3
VBUCK
RSENSE
GH
VBATM6V
VBAT
OUT3+
PWGND3
VCC34
OUT1-
OUT3-
OUT2-
VCC12
PWGND2
OUT2+
STBY
SCK
SD24
SD13
WS
UNMUTE
SCL
SDA
ADD
OUT4+
PWGND4
VCC34
OUT4-
TAB
GADG0310171514PS
TDA7901
Block diagram and pins description
DB4653 - Rev 1
page 3/13



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