Datasheet

17
LTC2400
APPLICATIONS INFORMATION
WUU
U
EOC
BIT 31
SDO
SCK
(EXTERNAL)
CS
V
CC
F
O
V
REF
SCK
V
IN
SDO
GND CS
V
REF
0.1V TO V
CC
V
IN
–0.12V
REF
TO 1.12V
REF
1µF
2.7V TO 5.5V
LTC2400
MSBEXRSIG
BIT 0
LSB
24
BIT 4BIT 27 BIT 26BIT 28BIT 29BIT 30
SLEEP DATA OUTPUT CONVERSION
2400 F07
CONVERSION
= 50Hz REJECTION
= EXTERNAL OSCILLATOR
= 60Hz REJECTION
V
CC
SDO
SCK
(INTERNAL)
CS
MSBEXRSIG
BIT 0
LSB
24
BIT 4
TEST EOC
BIT 27 BIT 26BIT 28BIT 29BIT 30
EOC
BIT 31
SLEEP DATA OUTPUT CONVERSIONCONVERSION
2400 F08
<t
EOCtest
V
CC
F
O
V
REF
SCK
V
IN
SDO
GND CS
V
REF
0.1V TO V
CC
V
IN
–0.12V
REF
TO 1.12V
REF
1µF
2.7V TO 5.5V
LTC2400
V
CC
10k
= 50Hz REJECTION
= EXTERNAL OSCILLATOR
= 60Hz REJECTION
Hi-Z Hi-Z Hi-Z Hi-Z
V
CC
TEST EOC
Figure 7. External Serial Clock, CS = 0 Operation
Figure 8. Internal Serial Clock, Single Cycle Operation