THS0842_14 Datasheet, PDF (26/31 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
SLAS246A – DECEMBER 1999 – REVISED AUGUST 2000
PRINCIPLES OF OPERATION
THS0842
8
DA7– DA0
COUT
COUT
SN74ALVCH16841
1D7 – 1D0
10
1Q9 – 1Q0
1D8
1D9
2D7 – 2D0
2Q9 – 2Q0
LE
OE
ASIC
or
DSP
Figure 25. Single Bus Connection Example
THS0842
8
DA7– DA0
COUT
COUT
8
DB7– DB0
SN74ALVCH16841
1D7 – 1D0
9
1Q8 – 1Q0
1D8
2D8
2D7 – 2D0
9
2Q8 – 2Q0
LE
OE
ASIC
or
DSP
Figure 26. Dual Bus Connection Example
NOTE: The SN74ALVCH16841 latches are used to buffer the THS8042 and COUT pins.
26
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