THS5661_05 Datasheet, PDF (15/30 Pages) Texas Instruments – 12-BIT, 100 MSPS, CommsDAC DIGITAL-TO-ANALOG CONVERTER

THS5661
12-BIT, 100 MSPS, CommsDAC™
DIGITAL-TO-ANALOG CONVERTER
SLAS200A – MAY 1999 – REVISED JULY 1999
APPLICATION INFORMATION
D[11:0]
DAC
Output
(IOUT1 or
IOUT2)
CLK
Valid Data
tsu(D)
50%
th(D)
tpd
ts(DAC)
0.1%
50% ^90%
10%
0.1%
tr(IOUT)
td(D)
50%
50%
50%
1/fCLK
50%
50%
tw(LPH)
Figure 23. Timing Diagram
Table 1. Input Interface Modes
FUNCTION/MODE
Input code format
MODE 0
MODE PIN CONNECTED TO
DGND
Binary
MODE 1
MODE PIN CONNECTED TO
DVDD
Twos complement
DVDD
External
Digital in
Internal
Digital in
Figure 24. Digital Equivalent Input
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