Datasheet

MAT01 Data Sheet
TYPICAL APPLICATIONS
Figure 13. Precision Reference
Figure 14. Basic Digital Thermometer Readout in Degrees Kelvin (K)
Figure 15. Digital Thermometer with Readout in °C
R1
1.5kΩ
1mA
V
REF
V
REF
≈ 7.0V
TCV
REF
≈ 100ppm/°C
R
O
≈
40Ω
NOTES
1. R1 MAY BE ADJUSTED TO MINIMIZE TCV
REF
.
INCREASING R1 CAUSES A POSITIVE CHANGE IN TCV
REF.
2. h
FE
OF Q1 IS REDUCED BY OPERATION OF BREAKDOWN MODE.
Q1
Q2
00282-013
SENSING PAIR
MAT01H
°C K E
O
–55°C = 218K = 2.18V
+25°C = 298K = 2.98V
+125°C = 398K = 3.98V
DIFFERENTIAL
AMPLIFIERAND
CURRENT SOURCES
E
O
= 10mV/K
3-DIGIT DPM
0V TO +10V
FULL SCALE
UP TO
100 FEET
CABLE
+15V –15V
00282-014
SENSING PAIR
MAT01H
–55°C = –0.55V
+25°C = +0.25V
+125°C = +1.25V
DIFFERENTIAL
AMPLIFIERAND
CURRENT SOURCES
E
O
= 10mV/K
METER DISPLAYS
E
O
–2.73V
HIGH
2 1/2 DIGIT
DPM BIPOLAR
DIFFERENTIAL
INPUTS
LOW
UP TO
100FT.
CABLE
+15V –15V
2.73V
POWER SUPPLY
+
–
00282-015
Rev. D | Page 10 of 12