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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

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)

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AD22105 Specifications

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(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
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- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
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