™ DATA SHEET DN1220 SUBMINIATURE THERMOELECTRIC COOLER CONTROLLER General Description The DN1220 is a subminiature Bipolar Temperature Controller for Thermoelectric Coolers (TEC) used in fixed temperature OEM applications.
The device is designed to operate with a Negative Temperature Coefficient (NTC) thermistor that senses the temperature of the object attached to the TEC.
Temperature is set with a user selected resistor.
Temperature stability of 0.
01°C is achieved by the linear Proportional Integral (PI) control loop of the DN1220.
Proportional gain and integrator time constants are set independently with resistors.
No external integrator capacitor is needed.
These parameters can be opt...

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