參數(shù)資料
型號: LTC1092C
廠商: Linear Technology Corporation
英文描述: 1-, 2-, 6- and 8-Channel, 10-Bit Serial I/O Data Acquisition Systems
中文描述: 1 - ,2 - ,6 -和8通道,10位串行I / O數(shù)據(jù)采集系統(tǒng)
文件頁數(shù): 14/32頁
文件大?。?/td> 356K
代理商: LTC1092C
14
LTC 1091/LTC 1092
LTC 1093/LTC 1094
U
S
A
Start Bit
O
PPLICATI
U
U
The first “l(fā)ogical one” clocked into the D
IN
input after CS
goes low is the start bit. The start bit initiates the data
transfer. The LTC1091/LTC1093/LTC1094 will ignore all
leading zeros which precede this logical one. After the start
bit is received, the remaining bits of the input word will be
clocked in. Further inputs on the D
IN
pin are then ignored
until the next CS cycle.
Multiplexer (MUX) Address
The bits of the input word following the START bit assign
the MUX configuration for the requested conversion. For
a given channel selection, the converter will measure the
voltage between the two channels indicated by the + and
– signs in the selected row of the following tables. In
single-ended mode, all input channels are measured with
respect to GND on the LTC1091 and COM on the
LTC1093/LTC1094.
SINGLE-ENDED
MUX MODE
MUX ADDRESS
SGL/
DIFF
1
1
0
0
CHANNEL #
GND
DIFFERENTIAL
MUX MODE
ODD/
SIGN
0
1
0
1
0
+
+
1
+
+
1091-4 AI08
LTC1091 Channel Selection
MUX ADDRESS
ODD/
SIGN
0
0
0
0
1
1
1
1
SELECT
1
0
0
1
1
0
0
1
1
DIFFERENTIAL CHANNEL SELECTION
SGL/
DIFF
0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
0
+
1
+
2
+
3
+
4
+
5
+
1091-4 AI09
NOT USED
NOT USED
MUX ADDRESS
SGL/
DIFF
1
1
1
1
1
1
1
1
SELECT
1
0
0
1
1
0
0
1
1
SINGLE-ENDED CHANNEL SELECTION
ODD/
SIGN
0
0
0
0
1
1
1
1
0
0
1
0
1
0
1
0
1
0
+
1
+
2
+
3
+
4
+
5
+
COM
NOT USED
NOT USED
LTC1093 Channel Selection
MUX ADDRESS
SGL/
DIFF
0
0
0
0
0
0
0
0
SELECT
1
0
0
1
1
0
0
1
1
DIFFERENTIAL CHANNEL SELECTION
ODD/
SIGN
0
0
0
0
1
1
1
1
0
0
1
0
1
0
1
0
1
0
+
1
+
2
+
3
+
4
+
5
+
6
+
7
+
1091-4 AI0
MUX ADDRESS
SGL/
DIFF
1
1
1
1
1
1
1
1
1
SELECT
1
0
0
1
1
0
0
1
1
SINGLE-ENDED CHANNEL SELECTION
0
0
1
0
1
0
1
0
1
0
+
1
+
2
+
3
+
4
+
5
+
6
+
7
+
COM
ODD/
SIGN
0
0
0
0
1
1
1
LTC1094 Channel Selection
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