TLC5733A Datasheet, PDF (11/24 Pages) Texas Instruments – 20 MSPS 3-CHANNEL ANALOG-TO-DIGITAL CONVERTER WITH HIGH-PRECISION CLAMP

TLC5733A
20 MSPS 3-CHANNEL ANALOG-TO-DIGITAL CONVERTER
WITH HIGH-PRECISION CLAMP
SLAS104A – JULY 1995 – REVISED NOVEMBER 1996
output digital code (for each channel of ADC)
Table 4. Input Signal Versus Digital Output Code
INPUT SIGNAL
VOLTAGE
STEP
MSB
Vref(RT)
•
255
1
1
•
•
•
•
•
•
•
•
128
1
0
•
127
0
1
•
•
•
•
•
•
•
•
Vref(RB)
0
0
0
DIGITAL OUTPUT CODE
1
1
1
1
•
•
•
•
•
•
•
•
0
0
0
0
1
1
1
1
•
•
•
•
•
•
•
•
0
0
0
0
LSB
1
1
•
•
•
•
0
0
1
1
•
•
•
•
0
0
output data format
The TLC5733A can select three output data formats to various TV/VCR (video) data processing by the
combination of MODE0 and MODE1. The output is synchronous when INIT is taken high.
Table 5. Output Data Format Selection
CONDITION
MODE1 MODE0
L
L
L
H
H
L
H
H
OUTPUT DATA
OUTPUT DATA
FORMAT
RATIO OF Y:U:V
Format 1
4:1:1
Format 2
4:4:4
Format 3
4:2:2
Not used
N/A
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