LTC2983C View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2983C' PDF : 72 Pages View PDF
Applications Information
Table 3. Channel Assignment Memory Map
CHANNEL ASSIGNMENT
NUMBER
CONFIGURATION
DATA START
ADDRESS
CH1
0x200
CH2
0x204
CH3
0x208
CH4
0x20C
CH5
0x210
CH6
0x214
CH7
0x218
CH8
0x21C
CH9
0x220
CH10
0x224
CH11
0x228
CH12
0x22C
CH13
0x230
CH14
0x234
CH15
0x238
CH16
0x23C
CH17
0x240
CH18
0x244
CH19
0x248
CH20
0x24C
CONFIGURATION
DATA
ADDRESS + 1
0x201
0x205
0x209
0x20D
0x211
0x215
0x219
0x21D
0x221
0x225
0x229
0x22D
0x231
0x235
0x239
0x23D
0x241
0x245
0x249
0x24D
CONFIGURATION
DATA
ADDRESS + 2
0x202
0x206
0x20A
0x20E
0x212
0x216
0x21A
0x21E
0x222
0x226
0x22A
0x22E
0x232
0x236
0x23A
0x23E
0x242
0x246
0x24A
0x24E
LTC2983
CONFIGURATION
DATA END
ADDRESS + 3
0x203
0x207
0x20B
0x20F
0x213
0x217
0x21B
0x21F
0x223
0x227
0x22B
0x22F
0x233
0x237
0x23B
0x23F
0x243
0x247
0x24B
0x24F
SIZE (BYTES)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Table 4. Channel Assignment Data
SENSOR TYPE
SENSOR SPECIFIC CONFIGURATION
Channel
Assignment
Memory Location
Configuration Data
Start Address
Configuration Data
Start Address + 1
Configuration Data
Start Address + 2
Configuration Data
Start Address + 3
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Unassigned
(Default)
Type = 0
Channel Disabled
Thermocouple Type = 1 to 9
Cold Junction Channel SGL=1 OC OC Current 0 0 0 0 0 0
Custom
Custom
Assignment [4:0] DIFF=0 Check [1:0]
Address [5:0] Length - 1 [5:0]
RTD
Type = 10 to 18 RSENSE Channel Assignment 2, 3, 4 Wire Excitation Excitation Standard Custom
Custom
[4:0]
Mode Current [3:0] [1:0] Address [5:0] Length - 1 [5:0]
Thermistor Type = 19 to 27 RSENSE Channel Assignment SGL=1 Excitation Excitation Current 0 0 0
Custom
Custom
[4:0]
DIFF=0 Mode
[3:0]
Address [5:0] Length - 1 [5:0]
Diode
Type = 28 SGL=1 2 to 3 Avg Current Ideality Factor (2, 20) Value from 0 to 4 with 1/1048576 Resolution
DIFF=0 Reading on [1:0] All Zeros Use Factory Set Default in ROM
Sense Resistor Type = 29 Sense Resistor Value (17, 10) Up to 131,072Ω with 1/1024Ω Resolution
Direct ADC
Type = 30 SGL=1
DIFF=0
Not Used
Reserved
Type = 31
Not Used
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