參數(shù)資料
型號(hào): ADS7953SRHBT
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 16-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
封裝: GREEN, PLASTIC, PQFP-32
文件頁(yè)數(shù): 5/63頁(yè)
文件大?。?/td> 1734K
代理商: ADS7953SRHBT
www.ti.com
SLAS605A – JUNE 2008 – REVISED JANUARY 2010
TERMINAL FUNCTIONS - TSSOP PACKAGES (continued)
DEVICE NAME
ADS7953
ADS7952
ADS7951
ADS7950
ADS7957
ADS7956
ADS7955
ADS7954
PIN NAME
I/O
FUNCTION
ADS7961
ADS7960
ADS7959
ADS7958
PIN NO.
ADC ANALOG INPUT
8
AINP
I
Signal input to ADC
9
AINM
I
ADC input ground
MULTIPLEXER
7
MXO
O
Multiplexer output
28
20
Ch0
I
Analog channels for multiplexer
27
19
18
Ch1
I
26
18
14
Ch2
I
25
17
12
Ch3
I
24
14
-
Ch4
I
23
13
-
Ch5
I
22
12
-
Ch6
I
21
11
-
Ch7
I
18
-
Ch8
I
17
-
Ch9
I
16
-
Ch10
I
15
-
Ch11
I
14
-
Ch12
I
13
-
Ch13
I
12
-
Ch14
I
11
-
Ch15
I
DIGITAL CONTROL SIGNALS
31
23
CS
I
Chip select input
32
24
SCLK
I
Serial clock input
33
25
SDI
I
Serial data input
34
26
SDO
O
Serial data output
GENERAL PURPOSE INPUTS / OUTPUTS: These pins have programmable dual functionality. Refer to Table 8 for functionality
programming
37
29
GPIO0
I/O
General purpose input or output
High alarm or
O
Active high output indicating high alarm or high/low
High/Low
alarm depending on programming
alarm
38
30
GPIO1
I/O
General purpose input or output
Low alarm
O
Active high output indicating low alarm
1
GPIO2
I/O
General purpose input or output
Range
I
Selects range: High -> Range 2 / Low -> Range 1
2
GPIO3
I/O
General purpose input or output
PD
I
Active low power down input
POWER SUPPLY AND GROUND
5, 29
5, 21
+VA
Analog power supply
6, 10, 19,
6, 10, 22
AGND
Analog ground
20, 30
36
28
+VBD
Digital I/O supply
35
27
BDGND
Digital ground
NC PINS
Copyright 2008–2010, Texas Instruments Incorporated
13
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