DN1220 データシートの表示（PDF） - Unspecified
部品番号
コンポーネント説明
メーカー
DN1220 Datasheet PDF : 9 Pages
| |||
VOLTAGE PROGRAMMING THE DN1220 TECC USING A THERMISTOR TEMPERATURE SENSOR
Jumper
disables
integrator
RTC
RG
7 DN1220 TECC
1 µF
6 100 KΩ
5
4 5 KΩ
VR ∑
2
8
VR
2
= 1.5 Volts
VR
9
2
10
VR
VR
2 11
3 VR =
3.0 Volts
2 +1
1
1 MΩ
12
VOLTAGE TO
CURRENT
POWER STAGE
IN VOLTAGE OUT
LIMITER
- 1 13
14
VO = VR 1 - RT
2
RX
WHERE VR = 3.000V
RT
RX
IT
100K
100K
0.1%
0.1%
VO
1/2TLC2262
1/2TLC2262
VR
3.000 V
PIN 3
VR
2
1.500 V
PIN 9
RCL1 1.5VOLT
REF.
RCL2
22µF
20VDC
++
Supply Voltage
5 to 12 Volts D.C.
COOL
Thermoelectric
TEC Cooler (TEC)
THE THERMISTOR (RT) IS
IN PHYSICAL CONTACT
WITH THE TEC.
THERMISTOR CURRENT
IT = VR/2RX
RX SHOULD BE SELECTED
SO THAT THE OUTPUT
VOLTAGE (VO ) DOES NOT
EXCEED 3 VOILTS.
NOTE: VO = VS WHEN
THE TEMPERATURE
CONTROL LOOP HAS
STABALIZED.
1/2TLC2252
1.5V
REF.
PIN 9
DN1220
100K
0.1%
100K
0.1%
1/2TLC2262
+3V
VS
10K
POT
+3.000 V
PIN 3
VS IS THE TEMPERATURE SET
VOLTAGE WHICH CAN BE SUPPLIED
FROM A DAC.
THIS VOLTAGE SHOULD NOT EXCEED
3 VOLTS.
VS
The TLC2262 is a Texas Instrument Dual
Rail to Rail Operational Amplifier.
™
Last Updated 6/25/01
1004 Mallory Way • Carson City, NV 89701 • Phone: 775-882-7721 • Fax: 775-882-7675 • E-mail: info@thermoptics.com • http://www.thermoptics.com
Pagg 9
Share Link: 