DN1220 データシートの表示（PDF） - Unspecified

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DN1220

SUBMINIATURE THERMOELECTRIC COOLER CONTROLLER

Unspecified 

DN1220

DN1220 Interconnect Board

The DN1220 Interconnect Board provides a quick, easy way to interface the DN1220 TEC Controller with a

TEC assembly. The DN1220, the TEC assembly, along with the other associated components, are soldered

to the interconnect board as illustrated in the Figure below. The board was designed for 0805 size resistors and

capacitors. The schematic circuit diagram for the interconnect assembly is shown in Figure 2.

Header pins with 0.100" spacing can be soldered into the board so that the power supply, TEC, and

thermistor can be interfaced through a connector. However, it is recommended that these components be

soldered into the board in production applications. Upon request, the DN1220 interconnect board can be

supplied with the header pins and the DN1220 soldered in place.

An alternative DN1220 interface board is available that provides voltage programing of the temperature

of the DN1220. This board will interfaces with a 100Ω platinum RTD. This linearized 4 wire system

provides ± 0.5˚C accuracy and better than 0.01˚C temperature stability.

VS

+

Supply

Voltage

Pin 14

22µF

20VDC

BACK OF

BOARD

+

Jumper

disables

integrator

Signal

Ground

-

TEC

RCL1 RCL2 C1

RT

DAWN DN1220

INTERCONNECT

BOARD

J

RTC RG RS R1

G TP

TEC

Thermistor

Figure 6

Scale = X2

Test Point

Monitors Pin 5

of the DN1220

Pin 1

of the

DN1220

RS

RG

RTC

RCL1

RCL2

C1

Temperature Set Resistor

Proportional Gain Set Resistor

Integrator Time Constant Resistor

Heating Current Limit Resistor

Cooling Current Limit Resistor

Filter Capacitor (Optional)

Page 6

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