Datasheet

TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079F – DECEMBER 1993 – REVISED NOVEMBER 2001
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Last
Clock
CS
0.8 V
2 V
0.8 V
t
su(CS)
0.8 V
I/O CLOCK
t
h(CS)
NOTE A: To ensure full conversion accuracy, it is recommended that no input signal change
occurs while a conversion is ongoing.
Figure 5. CS and I/O CLOCK Voltage Waveforms
0.4 V
2.4 V
0.4 V
2.4 V
2 V
0.8 V
I/O CLOCK
DATA OUT
t
t(I/O)
0.8 V
2 V
t
r(bus)
, t
f(bus)
t
d(I/O-DATA)
t
v
t
t(I/O)
0.8 V
I/O CLOCK Period
Figure 6. I/O CLOCK and DATA OUT Voltage Waveforms
Last
Clock
0.8 V
2.4 V
0.4 V
t
f(EOC)
t
d(I/O-EOC)
I/O CLOCK
EOC
Figure 7. I/O CLOCK and EOC Voltage Waveforms
0.4 V
2.4 V
EOC
t
d(EOC-DATA)
Valid MSB
DATA OUT
0.4 V
2.4 V
t
r(EOC)
Figure 8. EOC and DATA OUT Voltage Waveforms