Datasheet

12
LT1025
1025fb
+
–
* FOR BEST ACCURACY, THERMOCOUPLE RESISTANCE
SHOULD BE LESS THAN 50Ω
** SELECTED FOR 0°C TO 200°C RANGE
††
OR EQUIVALENT. SEE “AMPLIFIER CONSIDERATIONS”
V
+
V
+
V
–
R1
10k
1%
FULL-SCALE
ADJUST
V
OUT
10mV/°C
LTKA0x
†† R7
6.8k
R4
10k
R5
2k
R3
1M
1%
C1
0.01µF
R6**
8.4k
C2
0.01µF
TYPE J*
V
IN
J
LT1025
GND R
–
–+
LT1025 • TA07
Grounded Thermocouple Amplifier with Positive Output
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
LT/TP 1103 1K REV B • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 1988
TYPICAL APPLICATIO
U
PART NUMBER DESCRIPTION COMMENTS
LT1012 Picoamp Input Current Op Amp 120µV Max V
OS
, 280pA Max I
OS
LTC1050 Zero Drift Amplifier 5µV Max V
OS
, A
VOL
1V/µV Max
LTC2050 SOT-23 Zero Drift Amplifier 3µV Max V
OS
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