TLV2544, TLV2548

2.7V TO 5.5V, 12BIT, 200KSPS, 4/8CHANNEL, LOW POWER

SERIAL ANALOGTODIGITAL CONVERTERS WITH AUTOPOWERDOWN

SLAS198E − FEBRUARY 1999 − REVISED JUNE 2003

26

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

CS

CSTART

EOC

INT

VOH

VOL

VIH

VIL

VOH

VOL

VIH

VIL

td(CSH-CSTARTL)

twL(CSTART)

t(CONV)

td(CSTARTH-EOCL)

td(CSL-INTH)

td(CSTARTH-INTL)

SELECT CYCLE

†

† CSTART falling edge may come before the rising edge of CS but no sooner than the fifth SCLK of the SELECT CYCLE.

Figure 17. Critical Timing (Extended Sampling, Single Shot)

VIH

VIL

VOH

VOL

VOH

VOL

VIH

VIL

CS

CSTART

EOC

INT

td(CSH-CSTARTL)

twL(CSTART)

td(CSTARTH−CSTARTL)

td(CSTARTH-EOCL)

td(CSTARTH-INTL)

td(CSL-INTH)

SELECT CYCLE

†

† CSTART falling edge may come before the rising edge of CS but no sooner than the fifth SCLK of the SELECT CYCLE. In this case, the actual

sampling time is measured from the rising edge CS to the rising edge of CSTART.

Figure 18. Critical Timing (Extended Sampling, Repeat/Sweep/Repeat Sweep)