Datasheet

LTC2481
14
2481fc
APPLICATIONS INFORMATION
Figure 3. Timing Diagram for Writing to the LTC2481
SDA
SCL
GS2 GS1 GS0 IM FA FB SPD
W
SLEEP DATA INPUT
7 8 9
1 2 3 4 5 6 7 8 9
1 2 …
START BY
MASTER
7-BIT ADDRESS
ACK BY
LTC2481
ACK BY
LTC2481
2481 F03
GS2 GS1
Gain
Any Gain
2481 TBL1
Any
Speed
Any
Rejection
Mode
GS0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
1
0
1
0
0
1
1
0
1
0
1
0
0
1
1
IM FA FB SPD
External Input, Gain = 1, Autocalibration
External Input, Gain = 4, Autocalibration
External Input, Gain = 8, Autocalibration
External Input, Gain = 16, Autocalibration
External Input, Gain = 32, Autocalibration
External Input, Gain = 64, Autocalibration
External Input, Gain = 128, Autocalibration
External Input, Gain = 256, Autocalibration
External Input, Gain = 1, 2x Speed
External Input, Gain = 2, 2x Speed
External Input, Gain = 4, 2x Speed
External Input, Gain = 8, 2x Speed
External Input, Gain = 16, 2x Speed
External Input, Gain = 32, 2x Speed
External Input, Gain = 64, 2x Speed
External Input, Gain = 128, 2x Speed
External Input, Simultaneous 50Hz/60Hz Rejection
External Input, 50Hz Rejection
External Input, 60Hz Rejection
Reserved, Do Not Use
Temperature Input, 50Hz/60Hz Rejection, Gain = 1, Autocalibration
Temperature Input, 50Hz Rejection, Gain = 1, Autocalibration
Temperature Input, 60Hz Rejection, Gain = 1, Autocalibration
Reserved, Do Not Use
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Rejection
Mode
Comments
Table 1. Selecting Special Modes