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參數(shù)資料
型號(hào): THS1403QPFB
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封裝: PLASTIC, TQFP-48
文件頁(yè)數(shù): 13/30頁(yè)
文件大小: 475K
代理商: THS1403QPFB
THS1401, THS1403, THS1408
14-BIT, 1/3/8 MSPS DSP COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS
WITH INTERNAL REFERENCE AND PGA
SLAS248B – DECEMBER 1999 – REVISED JANUARY 2001
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
AC-coupled single-ended configuration
If the application does not require the signal bandwidth to include dc, the level shift shown in Figure 4 is not
necessary.
IN+
IN–
THS1401/3/8
REF+
REF–
+
10 nF
10 k
10 k
10 k
10 k
100 pF
22
10 k
10 k
Figure 22. Single-Ended With Level Shift
Because the signal swing on the op-amp is centered around ground, it is more likely that the signal stays within
the linear region of the op-amp transfer function, thus increasing the overall ac performance.
IN [VPEAK]
OUTPUT [PEAK]
REF
– full scale
0
REF
+ full scale
Compared to the transformer-coupled configuration, the swing on IN– is twice as big, which can decrease the
ac performance (SNR, SFD, and THD).
相關(guān)PDF資料
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THS14F01CPFB 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
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THS14F03CPFB 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
THS14F03IPFBG4 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
THS14F03IPFB 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
相關(guān)代理商/技術(shù)參數(shù)
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THS1408 制造商:TI 制造商全稱:Texas Instruments 功能描述:14-Bit, 1/3/8 MSPS, DSP-COMPATIBLE ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE AND PGA
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