ltc2415-1 Linear Technology Corporation, ltc2415-1 Datasheet - Page 21

• Manufacturer Part Number: ltc2415-1
• Description: 24-bit No Latency Delta Sigma Adc With Differential Input And Differential Reference
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
(EXTERNAL)
(INTERNAL)
SDO
SDO
SCK
SCK
CS
CS
CONVERSION
CONVERSION
Hi-Z
U
TEST EOC
SLEEP
U
SLEEP
Hi-Z
<t
EOCtest
BIT 31
Figure 10. External Serial Clock, CS = 0 Operation (2-Wire)
EOC
Figure 11. Internal Serial Clock, Single Cycle Operation
BIT 31
W
EOC
BIT 30
ANALOG INPUT RANGE
BIT 30
ANALOG INPUT RANGE
–0.5V
–0.5V
REF
REF
1, 7, 8, 9, 10, 15, 16
1, 7, 8, 9, 10, 15, 16
0.1V TO V
U
REFERENCE
0.1V TO V
BIT 29
REFERENCE
TO 0.5V
TO 0.5V
SIG
VOLTAGE
BIT 29
VOLTAGE
SIG
1 F
2.7V TO 5.5V
1 F
2.7V TO 5.5V
REF
REF
CC
CC
BIT 28
MSB
BIT 28
MSB
2
3
4
5
6
2
3
4
5
6
DATA OUTPUT
V
REF
REF
IN
IN
GND
V
REF
REF
IN
IN
GND
CC
LTC2415-1
CC
+
–
LTC2415-1
LTC2415/
+
–
LTC2415/
+
–
+
–
BIT 27
BIT 27
SDO
SCK
SDO
DATA OUTPUT
SCK
CS
F
CS
F
O
O
14
13
12
11
14
13
12
11
BIT 26
BIT 26
3-WIRE
SPI INTERFACE
2-WIRE
INTERFACE
V
V
CC
CC
= 50Hz REJECTION (LTC2415)
= EXTERNAL OSCILLATOR
= 60Hz REJECTION (LTC2415)
= 50Hz/60Hz REJECTION (LTC2415-1)
= 50Hz REJECTION (LTC2415)
= EXTERNAL OSCILLATOR
= 60Hz REJECTION (LTC2415)
= 50Hz/60Hz REJECTION (LTC2415-1)
LTC2415/LTC2415-1
LSB
BIT 5
LSB
BIT 5
24
24
V
CC
BIT 0
10k
BIT 0
CONVERSION
CONVERSION
Hi-Z
sn2415 24151fs
TEST EOC
21
2415 F11
2415 F10
Hi-Z