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参数资料
型号： TSA1204IFT
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： 16/21页
文件大小： 498K
代理商： TSA1204IFT
TSA1204
4/21
PIN DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS
Pin No
Name
Description
Observation
Pin No
Name
Description
Observation
1
AGND
Analog ground
0V
25
GNDBE
Digital buffer ground
0V
2
INI
I channel analog input
26
VCCBE
Digital Buffer power supply
2.5V/3.3V
3
AGND
Analog ground
0V
27
D11(MSB) Most Significant Bit output
CMOS output (2.5V/3.3V)
4
INBI
I channel inverted analog input
28
D10
Digital output
CMOS output (2.5V/3.3V)
5
AGND
Analog ground
0V
29
D9
Digital output
CMOS output (2.5V/3.3V)
6
IPOL
Analog bias current input
30
D8
Digital output
CMOS output (2.5V/3.3V)
7
AVCC
Analog power supply
2.5V
31
D7
Digital output
CMOS output (2.5V/3.3V)
8
AGND
Analog ground
0V
32
D6
Digital output
CMOS output (2.5V/3.3V)
9
INQ
Q channel analog input
33
D5
Digital output
CMOS output (2.5V/3.3V)
10
AGND
Analog ground
0V
34
D4
Digital output
CMOS output (2.5V/3.3V)
11
INBQ
Q channel inverted analog input
35
D3
Digital output
CMOS output (2.5V/3.3V)
12
AGND
Analog ground
0V
36
D2
Digital output
CMOS output (2.5V/3.3V)
13
REFPQ
Q channel top reference voltage
37
D1
Digital output
CMOS output (2.5V/3.3V)
14
REFMQ
Q channel bottom reference
voltage
0V
38
D0(LSB)
Least Significant Bit output
CMOS output (2.5V/3.3V)
15
INCMQ
Q channel input common mode
39
VCCBE
Digital Buffer power supply
2.5V/3.3V - See Application
Note
16
AGND
Analog ground
0V
40
GNDBE
Digital buffer ground
0V
17
AVCC
Analog power supply
2.5V
41
VCCBI
Digital Buffer power supply
2.5V
18
DVCC
Digital power supply
2.5V
42
DVCC
Digital Buffer power supply
2.5V
19
DGND
Digital ground
0V
43
OEB
Output Enable input
2.5V/3.3V CMOS input
20
CLK
Clock input
2.5V CMOS input
44
AVCC
Analog power supply
2.5V
21
SELECT
Channel selection
2.5V CMOS input
45
AVCC
Analog power supply
2.5V
22
DGND
Digital ground
0V
46
INCMI
I channel input common mode
23
DVCC
Digital power supply
2.5V
47
REFMI
I channel bottom reference voltage
0V
24
GNDBI
Digital buffer ground
0V
48
REFPI
I channel top reference voltage
Symbol
Parameter
Values
Unit
AVCC
Analog Supply voltage 1)
0 to 3.3
V
DVCC
Digital Supply voltage 1)
0 to 3.3
V
VCCBE
Digital buffer Supply voltage 1)
0 to 3.6
V
VCCBI
Digital buffer Supply voltage 1)
0 to 3.3
V
IDout
Digital output current
-100 to 100
mA
Tstg
Storage temperature
+150
°C
ESD
HBM: Human Body Model2)
CDM: Charged Device Model3)
2
1.5
kV
Latch-up Class4)
A
1). All voltages values, except differential voltage, are with respect to network ground terminal. The magnitude of input and output voltages must not exceed -0.3V or VCC
2). ElectroStatic Discharge pulse (ESD pulse) simulating a human body discharge of 100 pF through 1.5k
3). Discharge to Ground of a device that has been previously charged.
4). Corporate ST Microelectronics procedure number 0018695
Symbol
Parameter
Min
Typ
Max
Unit
AVCC
Analog Supply voltage
2.25
2.5
2.7
V
DVCC
Digital Supply voltage
2.25
2.5
2.7
V
VCCBE
External Digital buffer Supply voltage
1.8
2.5
3.5
V
VCCBI
Internal Digital buffer Supply voltage
2.25
2.5
2.7
V
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