Product Overview
The Cosemitech CH912/CH912L is a high-sensitivity, extremely temperature-stable micro-power Omnipolar Hall effect switch IC designed for portable and battery-powered consumer equipment, as well as office equipment, home appliances, and industrial applications. It features a hibernating clocking system for minimal power consumption, operating over a supply range of 1.65V to 5.5V. The device activates with either a north or south pole of sufficient magnetic field strength, with an internal pull-up and pull-down capability. Its chopper-stabilized design ensures superior temperature stability, minimal switch point drift, and enhanced immunity to physical stress. The CH912/CH912L is available in small package sizes (TO-92S, SOT-23) and is RoHS-compliant.
Product Attributes
- Brand: Cosemitech
- Origin: Automotive Product Group (advanced information, subject to change)
- Material: RoHS-compliant material, 100% matte-tin-plated leadframe (Pb-free)
- Certifications: RoHS-compliant (directive 2011/65/EU)
Technical Specifications
| Part Number | Description | Package | Packing | Supply Voltage (V) | Average Supply Current (A) @ 3.3V | BOP (Gauss) | BRP (Gauss) | Operating Temperature (C) |
|---|---|---|---|---|---|---|---|---|
| CH912SR | Micro-power Omnipolar-Switch, Hall-effect digital sensor IC | SOT-23-3L | Tape and Reel (3000 units/reel) | 1.65 - 5.5 | 1.62 (CH912) | 20 to 46 | 10 to 36 | -40 to 150 |
| CH912TB | Micro-power Omnipolar-Switch, Hall-effect digital sensor IC | TO-92S | Bulk (1000 units/bag) | 1.65 - 5.5 | 1.62 (CH912) | 20 to 46 | 10 to 36 | -40 to 150 |
| CH912LSR | Micro-power Omnipolar-Switch, Hall-effect digital sensor IC | SOT-23-3L | Tape and Reel (3000 units/reel) | 1.65 - 5.5 | 0.92 (CH912L) | 20 to 46 | 10 to 36 | -40 to 150 |
| CH912LTB | Micro-power Omnipolar-Switch, Hall-effect digital sensor IC | TO-92S | Bulk (1000 units/bag) | 1.65 - 5.5 | 0.92 (CH912L) | 20 to 46 | 10 to 36 | -40 to 150 |
2411271924_COSEMITECH-CH912LSR_C455294.pdf
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