| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 2.70 V (min) |
| Case/Package | SOIC |
| Output Voltage | 250 mV |
| Output Current | 10.0 mA |
| Supply Current | 120 µA |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Bulk, Tube |
The AD22105ARZ is a low voltage, Resistor Programmable Thermostatic Switch using a novel circuit architecture. The IC asserts an open collector output when the ambient temperature exceeds the user-programmed setpoint temperature. It has approximately 4°C of hysteresis which prevents rapid thermal on/off cycling. Because of low power dissipation (230µW @ 3.3V), selfheating errors are minimized and battery life is maximized. An optional internal 200kR pull-up resistor is included to facilitate driving light loads such as CMOS inputs. Alternatively, a low power LED indicator may be driven directly.
● User-programmable temperature setpoint
● 2.08°C Setpoint accuracy
● 4.08°C Preset hysteresis
● Low power dissipation (230mW @ 3.3V)
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