AD22105ARZ-REEL Datasheet PDF - ADI

●Product Details

●The AD22105 is a solid state thermostatic switch. Requiring only one external programming resistor, the AD22105 can be set to switch accurately at any temperature in the wide operating range of -40°C to +150°C. Using a novel circuit architecture, the AD22105 asserts an open collector output when the ambient temperature exceeds the user-programmed setpoint temperature. The AD22105 has approximately 4°C of hysteresis which prevents rapid thermal on/off cycling.

●The AD22105 is designed to operate on a single power supply voltage from +2.7 V to +7.0 V facilitating operation in battery powered applications as well as in industrial control systems. Because of low power dissipation (230 µW @ 3.3 V), self-heating errors are minimized and battery life is maximized.

●An optional internal 200 k(ohm) pull-up resistor is included to facilitate driving light loads such as CMOS inputs.

●Alternatively, a low power LED indicator may be driven directly.

●### Features and Benefits

● User-Programmable Temperature Setpoint

● 2.0°C Setpoint Accuracy

● 4.0°C Preset Hysteresis

● Wide Supply Range

●(+2.7 Vdc to +7.0 Vdc)

● Wide Temperature Range

●(- 40°C to +150°C)