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參數資料
| 型號： | TLC3578IPWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| 封裝： | GREEN, PLASTIC, TSSOP-24 |
| 文件頁數： | 22/49頁 |
| 文件大小： | 1137K |
| 代理商： | TLC3578IPWRG4 |
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TLC3574, TLC3578, TLC2574, TLC2578
5V ANALOG, 3/5V DIGITAL, 14/12BIT, 200KSPS, 4/8CHANNEL
SERIAL ANALOGTODIGITAL CONVERTERS WITH ±10V INPUTS
SLAS262C OCTOBER 2000 REVISED MAY 2003
29
WWW.TI.COM
conversion operation (continued)
***
Hi-Z
**
Data Lost
Hi-Z
**
Select Channel
Possible
Signal
t(sample)
t(convert)
Select Channel
16 SCLK
Select Channel
16 SCLK
Previous Conversion Result
CS Tied to Low
CSTART
FS
SDI
INT
EOC
SDO
Hi-Z
OR
Conversion Result
Don’t Care
Possible Signal
Figure 13. Mode 00, CSTART Triggers Sampling/Conversion, FS Initiates Select
**
Hi-Z
***
*
**
*
*
*
Select CH1
Select CH2
1/4 FIFO FULL
Don’t Care
***
WRITE CFR
**
Select Channel
*
FIFO Read
**
**
Select Any
Channel
Select Any
Channel
Possible Signal
DATA1 of CH1 DATA2 of CH1
MODE 01, FS Activates Conversion, FIFO Threshold = 1/4 Full
Read FIFO After Threshold Is Hit
CS
FS
SDI
SDO
INT
DATA1 of CH2 DATA2 of CH2
Figure 14. Mode 01, FS Initiates Operations
**
Hi-Z
***
*
**
*
*
*
1/4 FIFO FULL
Don’t Care
***
WRITE CFR
**
Select Channel
*
FIFO Read
Select CH1
Select CH2
DATA1 of CH1 DATA2 of CH1
DATA1 of CH2 DATA2 of CH2
MODE 01, FS Initiates Select Period, CSTART Activates Conversion, FIFO Threshold = 1/4 Full,
Read FIFO After Threshold Is Hit
CS
FS
CSTART
SDI
SDO
INT
Possible Signal
Figure 15. Mode 01, CSTART Triggers Samplings/Conversions
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| TLC2574IPWG4 | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| TLC3578IDWR | 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| TLC2574IDW | 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
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參數描述 |
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