MLX90323 Datasheet, PDF (18/25 Pages) Melexis Microelectronic Systems – 4 – 20 mA Loop Sensor Interface with Signal Conditioning and EEPROM

MLX90323
4 – 20 mA Loop Sensor Interface
with Signal Conditioning and EEPROM
Table 5. EEPROM Byte Definitions (continued)
Byte Designation
Note
Upper four bits
Lower four bits
17
GN1[9:8]
OF1[9:8]
Two MSB's of fixed gain
GN[9:8].
Two MSB's of fixed offset
OF[9:8]
18
GNTC1[11:8] OFTC1[11:8] Four MSB's of first gain TC Four MSB's of the first offset
GNTC1[11:8].
TC OFTC1[11:8].
19
TR1[9:8]
GNTC2[11:8] Two MSB's, first temperature Four MSB's, second gain
point T1[9:8]
TC GNTC2[11:8]
20
OFTC2[11:8] TR2[9:8]
Four MSB's second offset
TC OFTC2[11:8]
Two MSB's second
temperature point T2[9:8]
21
GNTC3[11:8] OFTC3[11:8] Four MSB's third gain TC
Four MSB's third offset
GNTC3[11:8]
TC OFTC3[11:8]
22
TR3[9:8]
GNTC4[11:8] Two MSB's third
temperature point t3[9:8]
Four MSB's fourth gain TC
GNTC4[11:8]
23
OFTC4[11:8] -
Four MSB's fourth offset TC reserved
24
PNB_TNB
25
n_factor
26 - 31 reserved
32
ClkTC1
33
ClkTC2
34
ClkTC3
35
Ctemp1
36
Ctemp2
37-38 Not used
39
CLKgntp
Number of temperature gaps, see Table 7
Temperature filter coefficient, four LSB's. Four MSB's must all
be zero.
reserved.
Value of Cadj at low temperature (Don’t change; factory set).
Value of Cadj at mid temperature (Don’t change; factory set).
Value of Cadj at high temperature Don’t change; factory set).
First Cadj temperature point, eight MSB’s of the 10 bit
internal temperature value (set at factory; do not change).
Second Cadj temperature point, eight MSB’s of the 10 bit
internal temperature value (set at factory; do not change).
These bytes are not used and are available to the user.
Setting for temperature amplifier for clock temperature
adjustment temperature reading (factory set, do not change).
3901090323
Rev 003
Page 18 of 25
Data Sheet
Feb/12