MLX90323 Datasheet, PDF (20/25 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 8. RAM Byte Definitions
Byte Functions
0 Mode byte
1 GN1L
2 OF1L
3 GNTC1L
4 OFTC1L
Remarks
Fixed gain number (8LSB).
Fixed offset number (8LSB).
First gain TC (8LSB).
First offset TC (8LSB).
5 TR1L
First temperature point.
6 GNTC2L
Second gain TC.
7 OFTC2L
8 TR2L
9 GNTC3L
Second offset TC.
Second temperature point.
Third gain TC.
10 OFTC3L
11
TR3L
12
GNTC4L
13
OFTC4L
14
-
Third offset TC.
Third temperature point.
Fourth gain TC.
Fourth offset TC.
reserved
Upper four bits
Lower four bits
15
GN1[9:8] OF1[9:8]
Two MSB's of fixed gain
GN[9:8].
Two MSB's of fixed offset
OF[9:8].
16
GNTC1 OFTC1[11:8] Four MSB's of first gain TC Four MSB's of the first
[11:8]
GNTC1[11:8].
offset TC OFTC1[11:8]
17
TR1[9:8] GNTC2[11:8] Two MSB's, first temperature Four MSB's, second gain
point T1[9:8]
TC GNTC2[11:8]
18
OFTC2[11:8] TR2[9:8] Four MSB's, second offsetTC Two MSB's, second temp.
OFTC2[11:8]
point T2[9:8]
3901090323
Rev 003
Page 20 of 25
Data Sheet
Feb/12