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参数资料
| 型号： | TSA1401IFT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | ADC |
| 英文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封装： | 7 X 7 MM, TQFP-48 |
| 文件页数： | 13/19页 |
| 文件大小： | 641K |
| 代理商： | TSA1401IFT |
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
ABSOLUTE MAXIMUM RATINGS
TSA1401
3/19
PIN DESCRIPTIONS
Pin Name
I/O
No
Pin Description
IPOL
I
1
Analog bias current input - adjusts polarization current versus Fs.
VREFP
I/O
2
Top Reference Voltage - may be used as a voltage generator output or used as an
input to adjust the input dynamic range (VIN-VINB=2x(VREFP-VREFM)).
VREFM
I
3
Bottom Reference Voltage. Usually connected to GND (see AN p12 for details)
AGND
I
4, 6, 8, 10, 48 Analog ground.
VIN
I
5
Positive Analog input.
VINB
I
7
Negative Analog Input.
INCM
I/O
9
Internal Common Mode - may be used as a voltage generator output for input sig-
nal common mode or used as an input to force the internal common mode (see AN
p12 for more details).
AVCC
I
11, 12, 46, 47 Analog Power Supply (2.5V).
DVCC
I
13, 14
Digital Power Supply (2.5V) (Clock).
DGND
I
15, 17,19
Digital Ground (Clock).
CLK
I
16
CMOS Clock Input.
NC
NA
18, 42
Non Connected Pin.
GNDBI
I
20
Digital Ground (Internal Buffer).
GNDBE
I
21,40
Digital Ground (External Buffer).
VCCBE
I
22, 39
Digital Power Supply (External Buffer, 2.5V/3.3V).
OR
O
23
Over Range Indicator, if D0-D13=’1’ or ‘0’, OR=’1’.
D13(MSB)-
D0(LSB)
O
24-37
Data CMOS Outputs (2.5V/3.3V).
DR
O
38
Data Ready Signal (2.5V/3.3V).
VCCBI
I
41
Digital Power Supply (Internal Buffers 2.5V).
REFMODE
I
43
REFMODE=’VIL’, internal references active.
REFMODE=‘VIH’, external references must be applied.
OEB
I
44
Output Enable Input. If OEB=’VIH’ then D0-D13 in ‘High Z’ state.
DFSB
I
45
Data Format Select Input - If DFSB=’VIH’ then D13 is standard binary output cod-
ing; if DFSB=’VIL’ then D13 is two’s complemented.
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