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参数资料
型号： TSA1204IFT-E
厂商： STMICROELECTRONICS
元件分类： ADC
英文描述： 2-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封装： 7 X 7 MM, PLASTIC, TQFP-48
文件页数： 27/31页
文件大小： 435K
代理商： TSA1204IFT-E
TSA1204
Pin descriptions
5/31
2
Pin descriptions
Table 1.
Pin descriptions (TQFP48 package)
Pin
Name
Description
Observation
Pin
Name
Description
Observation
1
AGND
Analog ground
0 V
25
GNDBE
Digital buffer ground
0 V
2
INI
I channel analog input
26
VCCBE
Digital Buffer power
supply
2.5 V/3.3 V
3
AGND
Analog ground
0 V
27
D11(MSB)
Most Significant Bit
output
CMOS output
(2.5 V/3.3 V)
4INBI
I channel inverted
analog input
28
D10
Digital output
CMOS output
(2.5 V/3.3 V)
5
AGND
Analog ground
0 V
29
D9
Digital output
CMOS output
(2.5 V/3.3 V)
6IPOL
Analog bias current
input
30
D8
Digital output
CMOS output
(2.5 V/3.3 V)
7
AVCC
Analog power supply
2.5 V
31
D7
Digital output
CMOS output
(2.5 V/3.3 V)
8
AGND
Analog ground
0V
32
D6
Digital output
CMOS output
(2.5 V/3.3 V)
9INQ
Q channel analog
input
33
D5
Digital output
CMOS output
(2.5 V/3.3 V)
10
AGND
Analog ground
0 V
34
D4
Digital output
CMOS output
(2.5 V/3.3 V)
11
INBQ
Q channel inverted
analog input
35
D3
Digital output
CMOS output
(2.5 V/3.3 V)
12
AGND
Analog ground
0 V
36
D2
Digital output
CMOS output
(2.5 V/3.3 V)
13
REFPQ
Q channel top
reference voltage
37
D1
Digital output
CMOS output
(2.5 V/3.3 V)
14
REFMQ
Q channel bottom
reference voltage
0 V
38
D0(LSB)
Least Significant Bit
output
CMOS output
(2.5 V/3.3 V)
15
INCMQ
Q channel input
common mode
39
VCCBE
Digital Buffer power
supply
2.5 V/3.3 V - See
Application Note
16
AGND
Analog ground
0 V
40
GNDBE
Digital buffer ground
0 V
17
AVCC
Analog power supply
2.5 V
41
VCCBI
Digital Buffer power
supply
2.5 V
18
DVCC
Digital power supply
2.5 V
42
CLKD
Data clock input
Idle at high level
2.5 V or 3.3 V
19
DGND
Digital ground
0 V
43
OEB
Output Enable input
2.5 V/3.3 V CMOS
input
20
CLK
Clock input
2.5 V CMOS
input
44
AVCC
Analog power supply
2.5 V
21
SELECT
Channel selection
2.5 V CMOS
input
45
AVCC
Analog power supply
2.5 V
22
DGND
Digital ground
0V
46
INCMI
I channel input
common mode
23
DVCC
Digital power supply
2.5 V
47
REFMI
I channel bottom
reference voltage
0V
24
GNDBI
Digital buffer ground
0 V
48
REFPI
I channel top
reference voltage
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