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參數(shù)資料
| 型號： | LTC1094CN#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 4/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DATA ACQ SYS 10BIT 8CH 20-DIP |
| 標準包裝： | 18 |
| 類型： | 數(shù)據(jù)采集系統(tǒng)（DAS），ADC |
| 分辨率（位）： | 10 b |
| 數(shù)據(jù)接口： | 串行 |
| 電壓電源： | 雙 ± |
| 電源電壓： | ±5V，4.5V，10V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 20-PDIP |
| 包裝： | 管件 |
| 產品目錄頁面： | 1345 (CN2011-ZH PDF) |
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12
LTC1091/LTC1092
LTC1093/LTC1094
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
DIN 1
DIN 2
DOUT 1
DOUT 2
CS
SHIFT MUX
ADDRESS IN
1 NULL BIT
SHIFT A/D CONVERSION
RESULT OUT
1091/2/3/4 AI01
the first CLK pulse enables DOUT. After one null bit, the A/D
conversion result is output on the DOUT line. Bringing CS
high resets the LTC1092 for the next data exchange.
2. Input Data Word
The LTC1092 requires no DIN word. It is permanently
configured to have a single differential input and to operate
in unipolar mode. The conversion result is output on the
DOUT line in MSB-first sequence, followed by LSB-first
sequence, providing easy interface to MSB- or LSB-first
serial ports. The following disussion applies to the con-
figuration of the LTC1091/LTC1093/LTC1094.
The LTC1091/LTC1093/LTC1094 clock data into the DIN
input on the rising edge of the clock. The input data words
are defined as follows:
SELECT
1
START
SELECT
0
UNI
MSBF
MUX ADDRESS
LTC1093/LTC1094 DATA INPUT (DIN)WORD:
MSB-FIRST/
LSB-FIRST
UNIPOLAR/
BIPOLAR
1091/2/3/4 AI02
ODD/
SIGN
SGL/
DIFF
START
MSBF
MUX ADDRESS
LTC1091 DATA INPUT (DIN) WORD:
MSB-FIRST/
LSB-FIRST
ODD/
SIGN
SGL/
DIFF
tCONV
tCYC
tSMPL
Hi-Z
FILLED WITH ZEROS
1091/2/3/4 AI03
CLK
START
Hi-Z
ODD/SIGN
MSBF
SGL/
DIFF
DIN
DOUT
CS
B1
B9
B0
DON’T CARE
tCONV
tCYC
tSMPL
Hi-Z
FILLED WITH
ZEROS
1091/2/3/4 AI04
CLK
START
Hi-Z
ODD/SIGN
MSBF
SGL/
DIFF
DIN
DOUT
CS
B1
B9
B0
B1
B9
DON’T CARE
LTC1091 Operating Sequence
Example: Differential Inputs (CH1+, CH0 –)
MSB-First Data (MSBF = 1)
LSB-First Data (MSBF = 0)
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