參數(shù)資料
型號: LTC1090CSW#TRPBF
廠商: Linear Technology
文件頁數(shù): 6/28頁
文件大小: 0K
描述: IC DATA ACQUIS SYS 10BIT 20-SOIC
標(biāo)準(zhǔn)包裝: 1,000
類型: 數(shù)據(jù)采集系統(tǒng)(DAS),ADC
分辨率(位): 10 b
采樣率(每秒): 30k
數(shù)據(jù)接口: 串行
電壓電源: 單/雙電源
電源電壓: ±5V,5V,10V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 帶卷 (TR)
14
LTC1090
1090fc
4. CS Low During Conversion
In the normal mode of operation, CS is brought high
during the conversion time (see Figure 3). The serial port
ignores any SCLK activity while CS is high. The LTC1090
will also operate with CS low during the conversion. In this
mode, SCLK must remain low during the conversion as
shown in Figure 4. After the conversion is complete, the
DOUT line will become active with the first output bit. Then
the data transfer can begin as normal.
5. Microprocessor Interfaces
The LTC1090 can interface directly (without external hard-
ware) to most popular microprocessor (MPU) synchronous
Figure 3. CS High During Conversion
Figure 4. CS Low During Conversion
APPLICATIO S I FOR ATIO
WU
UU
LTC1090 AI09
B9
SHIFT RESULT OUT
AND NEW ADDRESS IN
B8
B7
B6
B5
B4
B3
B2
B1
B0
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
ODD/
SIGN
SGL/
DIFF
SEL
1
DOUT
SCLK
SEL
0
UNI MSBF WL1 WL0
ODD/
SIGN
SGL/
DIFF
SEL
1
SEL
0
UNI MSBF WL1 WL0
tSMPL
SAMPLE
ANALOG
INPUT
40 TO 44 ACLK CYCLES
SHIFT
MUX
ADDRESS
IN
DIN
CS
DON’T CARE
LTC1090 AI10
B9
SHIFT RESULT OUT
AND NEW ADDRESS IN
B8
B7
B6
B5
B4
B3
B2
B1
B0
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
ODD/
SIGN
SGL/
DIFF
SEL
1
SCLK
DOUT
SEL
0
UNI MSBF WL1 WL0
ODD/
SIGN
SGL/
DIFF
SEL
1
SEL
0
UNI MSBF WL1 WL0
tSMPL
SAMPLE
ANALOG
INPUT
40 TO 44 ACLK CYCLES
SCLK MUST REMAIN LOW
SHIFT
MUX
ADDRESS
IN
DIN
CS
DON’T CARE
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