LTC203MJ 데이터 시트보기 (PDF) - Linear Technology
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LTC203MJ Datasheet PDF : 16 Pages
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APPLICATIO S I FOR ATIO
LTC201A/LTC202/LTC203
Micropower Thermocouple Temperature to Frequency Converter
TYPE K
6V
THERMOCOUPLE
“A”
+V
K –+
100k
LT1025
GND R –
0.02µF
6V
–
LT1049
+
6V
10k
1M
Q2
2N3906
6V
74C14
100k
6.81kΩ**
100°C 1.5kΩ
TRIM
C3
0.47µF
6.8µF
C1
100pF
240k
6V
LT1004-1.2V
NC
Q1
2N3904
C4
300pF
OUTPUT
0°C to 100°C
D.C. to 1kHz
3
14
1
16
9
8
S1
S2
IN1
IN2
IN3
IN4
NOTES:
* POLYSTYRENE
D1
** IRC/TRW MTR/5/+ 120ppm
360µA OPERATING CURRENT
2
4.75V TO 10V SUPPLY VOLTAGE
FOR 4mV FULL SCALE “GENERAL PURPOSE”
V → F DELETE LT1025 AND THERMOCOUPLE
AND DRIVE POINT “A”
D2
NC
15
12
LTC203
V+
V–
GND
13
4
5
6V
C2
390pF*
11
6
S3
S4
D3
D4
10
7
LT201_202_203 • AI14
201a23fb
11
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