參數(shù)資料
型號: THS1031IPWLE
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 10-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封裝: PLASTIC, TSSOP-28
文件頁數(shù): 5/22頁
文件大?。?/td> 296K
代理商: THS1031IPWLE
THS1031
COMPLETE SOLUTION 2.7 V ~ 5.5 V, 10-BIT, 30 MSPS
CMOS ANALOG-TO-DIGITAL CONVERTER
SLAS242 – NOVEMBER 1999
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
analog input mode(continued)
SHA
A/D
PGA
SW3
REFBF
REFTF
MODE
REFBS
REFTS
10
F
0.1
F
0.1
F
0.1
F
AIN
REFTF
REFBF
REFT
0.1
F
REFB
0.1
F
THS1031
Figure 8. Kelvin Connection With External ADC Reference Mode
D Internal ADC Reference Mode With External Input Common Mode: The input common mode is supplied
to pins REFTS and REFBS while connected together. The input signal should be centered around this
common mode with peak-to-peak input equal to the voltage on the VREF pin. Input can be either dc-coupled
or ac-coupled to the same common mode voltage (Figure 9) or any other voltage within the input voltage
range.
SHA
A/D
PGA
REFBF
REFTF
MODE
REFBS
REFTS
10
F
0.1
F
1.5 V
AIN
2 V
1 V
THS1031
AVDD
0.1
F
ADC
REF
_
+
1 V
REFSENSE
VREF
0.1
F
Figure 9. External Input Common Mode
PRODUCT
PREVIEW
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