Datasheet

LTC2410
19
APPLICATIO S I FOR ATIO
WUU
U
Figure 7. External Serial Clock, CS = 0 Operation (2-Wire)
Figure 8. Internal Serial Clock, Single Cycle Operation
EOC
BIT 31
SDO
SCK
(EXTERNAL)
CS
MSBSIG
BIT 0
LSB
24
BIT 5BIT 27 BIT 26BIT 28BIT 29BIT 30
SLEEP DATA OUTPUT CONVERSION
2410 F07
CONVERSION
= 50Hz REJECTION
= EXTERNAL OSCILLATOR
= 60Hz REJECTION
V
CC
V
CC
F
O
REF
+
REF
–
SCK
IN
+
IN
–
SDO
GND
CS
214
3
4
13
5
6
12
1, 7, 8, 9, 10, 15, 16
11
REFERENCE
VOLTAGE
0.1V TO V
CC
ANALOG INPUT RANGE
–0.5V
REF
TO 0.5V
REF
2-WIRE
INTERFACE
1µF
2.7V TO 5.5V
LTC2410
SDO
SCK
(INTERNAL)
CS
MSBSIG
BIT 0
LSB
24
BIT 5
TEST EOC
BIT 27 BIT 26BIT 28BIT 29BIT 30
EOC
BIT 31
SLEEP DATA OUTPUT CONVERSIONCONVERSION
2410 F08
<t
EOCtest
V
CC
10k
= 50Hz REJECTION
= EXTERNAL OSCILLATOR
= 60Hz REJECTION
Hi-Z Hi-Z Hi-Z Hi-Z
V
CC
TEST EOC
V
CC
F
O
REF
+
REF
–
SCK
IN
+
IN
–
SDO
GND
CS
214
3
4
13
5
6
12
1, 7, 8, 9, 10, 15, 16
11
REFERENCE
VOLTAGE
0.1V TO V
CC
ANALOG INPUT RANGE
–0.5V
REF
TO 0.5V
REF
3-WIRE
SPI INTERFACE
1µF
2.7V TO 5.5V
LTC2410