Datasheet

LTC1250
12
1250fb
–
+
5V
TYPE K
†
R4
1M
0.1%
C1
100pF
7
6
4
3
2
–5V
V
OUT
100mV/°C
1250 TA04
LTC1250
R5
3k
R6
7.5k
1%
R7
500Ω
FULL-SCALE TRIM
R9
33k
–5V
C2
100pF
+
–
R3
1M
0.1%
R8
5k
1%
5V
GND
V
IN
V
OUT
LT1025
10mV/°C
R1
10k
0.1%
R2
10k
0.1%
V
CM
†
FOR BEST ACCURACY, THERMOCOUPLE
RESISTANCE SHOULD BE LESS THAN 100Ω
–
+
15V
7
6
4
3
2
±10ppm ERROR AT ±15mA
1µV
P-P
OUTPUT NOISE
2.5µV/°C DRIFT (DUE TO LM399)
1250 TA03
LTC1250
7.5k
LM399
31
2
4
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 1994
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
Reference Buffer
Differential Thermocouple Amplifier
LT/GP 0205 1K REV B • PRINTED IN USA
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