Datasheet

  
  
SLVS075I − APRIL 1989 − REVISED DECEMBER 2005
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
+
412 Ω
‡
±1%
†
Adjust for 11.15 mV at 25°C across 953 Ω
‡
Adjust for 12.17 mV at 25°C across 412 Ω
2.00 kΩ ±1%
I
O
≈ 58 µA
+
5.1 kΩ
R
LM334
V−
V+
100 kΩ ±1%
10 kΩ
953 Ω
†
±1%
Meter
Type K
LM385-1.2
Mercury Cell
1.345 V
−
−
500 Ω
cw
cw
Figure 9. Thermocouple Cold-Junction Compensator
2.3 V ≤ V+ ≤ 30 V
R
V−
V+
2.74 kΩ
1.2 V
LM385-1.2
LM334
Figure 10. Operation Over a Wide Supply Range
LM385-1.2
1.2 V
499 kΩ
9 V
Figure 11. Reference From a 9-V Battery