THS1030_13 Datasheet, PDF (17/39 Pages) Texas Instruments – 3-V TO 5.5-V, 10-BIT, 30MSPS CMOS ANALOG-TO-DIGITAL CONVERTER

THS1030
3ĆV TO 5.5ĆV, 10ĆBIT, 30 MSPS
CMOS ANALOGĆTOĆDIGITAL CONVERTER
SLAS243E − NOVEMBER 1999 − REVISED DECEMBER 2003
PRINCIPLES OF OPERATION
differential input mode (MODE = AV_DD/2) (continued)
+FS
AIN+
−FS
AVDD
2
AIN
MODE
+FS
AIN−
−FS
REFTS
REFBS REFSENSE
0.1 µF
REFTF
VREF
0.1 µF
10 µF 0.1 µF
REFBF
Figure 16. Differential Input Mode, 1-V Reference Span
AVDD
+FS
2
VM
AIN
MODE
−FS
DC SOURCE = VM
VM
+
_
REFTS
REFBS
0.1 µF
REFTF
0.1 µF
10 µF
0.1 µF
REFBF REFSENSE
Figure 17. Center Span Mode, 2-V Reference Span
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