TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245E MARCH 2000 REVISED APRIL 2010
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
PARAMETER MEASUREMENT INFORMATION
SCLK
CS
SDO
t(sample)
tc
td(SCLK17H-SDOZ)
1
12
16
4
t(reset cycle)
MUX = AIN0
OD11
OD0
OD11
td(CSL-SDOV)
th(EOC-CSH)
td(SCLKH-SDOV)
td(CSL-SDOV)
tw(H_CS)
Figure 8. TLV2542 Reset Cycle Critical Timing
OD11
OD0
SCLK
VIH
SDO
t(sample)
tc
4
16
12
tw(L_SCLK)
12
VIL
tw(H_SCLK)
th(EOC-CSH)
t(powerdown)
CS
th(SCLKL-CSL)
td(CSL-SDOV)
td(SCLKH-SDOV)
td(SCLK17H-SDOZ)
OD8
tw(H_CS)
tsu(CSL-SCLKL)
Figure 9. TLV2542 and TLV2545 Conversion Cycle Critical Timing