LTC2485 LINER [Linear Technology], LTC2485 Datasheet - Page 39

• Manufacturer Part Number: LTC2485
• Description: 24-Bit ?? ADC with Easy Drive Input Current Cancellation and I2C Interface
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIO
(OMEGA MPJ-K-F)
THERMOCOUPLE
TYPE K
JACK
ISOTHERMAL
R6
5k
R2
2k
5V
1
2
3
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
CONTRAST
U
(OPTREX DMC162488
2 × 16 CHARACTER
4
5
GND D0
Figure 45. Complete Type K Thermocouple Meter
LCD DISPLAY
OR SIMILAR)
IN
IN
CA1
+
–
V
9
5V
CC
GND
REF
LTC2485
D1 D2 D3
8
3
REF
5V
2
3
V
–
CC
CAO/F
SDA
RW
SCL
RS
D7
D6
D5
D4
EN
CALIBRATE
O
C8
1µF
6
7
10
2
1
C7
0.1µF
DOWN
R3
10k
R4
10k
1.7k
5V
UP
R5
10k
1.7k
18
17
16
15
14
13
12
11
28
27
26
25
24
23
22
21
7
6
5
4
3
2
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
RA5
RA4
RA3
RA2
RA1
RA0
PIC16F73
MCLR
OSC1
OSC2
V
2485 F45
V
V
DD
SS
SS
20
9
10
1
9
19
LTC2485
10k
6MHz
R1
Y1
C6
0.1µF
BAT54
D1
5V
39
5V
2485fa