Datasheet

LTC2389-16
32
238916f
applications inFormation
Figure 18. Serial Interface with External Clock. Read After the Conversion. Daisy Chain Multiple Converters
MODE0 = 1, A1 = X, MODE1 = A0 = 0
MODE0 = 1, A1 = X, MODE1 = A0 = 0
CS
BUSY
t
EN
t
SSDI
SCK STARTS LOW
SCK STARTS HIGH
t
DSDO,
t
HSDO
1 2 3
D15
X15 X14 X13 X1 X0
238916 F18
D14 D13 D1 D0 X15 X14
4 15 16 17 18
SCK
SDO
(ADC 2)
Hi-Z
Hi-Z
SDI
(ADC 2)
t
HSDI
CS
BUSY
t
EN
t
SSDI
t
DSDO,
t
HSDO
1 2 3
D15
X15 X14 X13 X1 X0
D14 D13 D1 D0 X15 X14
4 15 16 17 18
SCK
SDO
(ADC 2)
Hi-Z
Hi-Z
SDI
(ADC 2)
t
HSDI
t
SCKH
t
SCKL
t
SCK
t
SCKH
t
SCKL
t
SCK
LTC2389-16
ADC 1 ADC 2
SDO
CNVST IN
CS IN
SCK IN
CNVST
CS
SCK
SDI
LTC2389-16
SDO DATA OUT
CNVST
CS
SCK
SDI
t
DSCK
t
DSCK