THS0842 Datasheet, PDF (21/29 Pages) Texas Instruments – DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH SINGLE OR DUAL PARALLEL BUS OUTPUT

THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246 – DECEMBER 1999
PRINCIPLES OF OPERATION
ac coupled input
C1
VIN+
C2
C1
VIN–
C2
R
R
–
+
R
R
R
R
–
+
R
R
THS0842
AIN–
AIN+
CML
REFT
REFB
C1
VIN+
C2
C1
VIN–
C2
THS0842
AIN+
R
R
AIN–
CML
REFT
REFB
Figure 20. AC-Coupled Differential Input Circuits
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
21