ltc2484 Linear Technology Corporation, ltc2484 Datasheet - Page 14

• Manufacturer Part Number: ltc2484
• Description: 24-bit Delta Sigma Adc With Easy Drive Input Current Cancellation
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
LTC2484
Table 1. Selecting Special Modes
14
SDO
SCK
SDI
CS
SLEEP
Hi-Z
BIT 31
EOC
EN
U
EN
BIT 30
0
1
1
1
1
1
1
1
1
1
1
DMY
U
DON’T CARE
IM FoA FoB SPD
X
0
0
0
0
0
0
1
1
1
X
BIT 29
SIG
X
0
0
1
0
0
1
0
0
1
1
W
BIT 28
X
0
1
0
0
1
0
0
1
0
1
MSB
2484 TBL1
X
X
X
X
X
0
0
0
1
1
1
BIT 27 BIT 26
IM
Figure 2. Input/Output Data Timing
U
Comments
Keep Previous Mode
External Input, 50Hz and 60Hz Rejection, Autocalibration
External Input, 50Hz Rejection, Autocalibration
External Input, 60Hz Rejection, Autocalibration
External Input, 50Hz and 60Hz Rejection, 2x Speed
External Input, 50Hz Rejection, 2x Speed
External Input, 60Hz Rejection, 2x Speed
Temperature Input, 50Hz and 60Hz Rejection, Autocalibration
Temperature Input, 50Hz Rejection, Autocalibration
Temperature Input, 60Hz Rejection, Autocalibration
Reserved, Do Not Use
FOA
CONVERSION RESULT
FOB
DATA INPUT/OUTPUT
SPD
LSB24
BIT 5
BIT 4
BIT 3
SUB LSBs
DON’T CARE
BIT 2
BIT 1
BIT 0
CONVERSION
2484 F02
2484fa