Datasheet

TLC1514, TLC1518
5-V, 10-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS252 – DECEMBER 1999
36
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
difference between modes of conversion (continued)
REPEAT:
Configure FIFO Depth=4 /CONV Mode 01
Select Channel/
1st Conv (CS or CSTART)
2nd Conv (CS
or CSTART)
3rd Conv (CS or CSTART)
4th Conv (CS or CSTART
FIFO READ 1
FIFO READ 2
FIFO READ 3
FIFO READ 4
Select Channel
1st Conv (CS
or CSTART)
2nd Conv (CS or CSTART)
3rd Conv (CS
or CSTART)
4th Conv (CS or CSTART
SWEEP:
Configure FIFO Depth=4 SEQ=1–2–3–4/CONV Mode 10
conv ch 1 (CS
/CSTART)
conv ch 2 (CS/CSTART)
conv ch 3 (CS/CSTART)
conv ch 4 (CS/CSTART
FIFO READ ch 1 result
FIFO READ ch 2 result
FIFO READ ch 3 result
FIFO READ ch 4 result
Configure (not required if same sweep sequence is to be used again)
REPEAT SWEEP:
Configure FIFO Depth=4 SWEEP SEQ=1-2-3-4/CONV Mode 11
conv ch 1 (CS
/CSTART)
conv ch 2 (CS/CSTART)
conv ch 3 (CS/CSTART)
conv ch 4 (CS/CSTART
FIFO READ ch 1 result
FIFO READ ch 2 result
FIFO READ ch 3 result
FIFO READ ch 4 result
conv ch 1 (CS
/CSTART)
conv ch 2 (CS/CSTART)
conv ch 3 (CS
/CSTART)
conv ch 4 (CS/CSTART