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Bipolar Hall-Effect Digital Switches
The bipolar Hall-effect switches generally switch on with a south pole of sufficient strength and switch off with a north pole of sufficient strength however the output state is not defined if the magnetic field is removed. Some bipolar Hall-effect switches will change the output state and some sensor ICs will not. These Hall-effect switches are designed for magnetic actuation using a north-south alternating field, multi-pole ring magnet.
| Part Number | Operate Point (G) | Release Point (G) | Hysteresis (G) | Temperature Ranges | Packages | Replaces | Comments | |
|---|---|---|---|---|---|---|---|---|
| A1202 | <75 | >-75 | >30 | L | UA | UGx3133 | ||
| A1203 | <95 | >-95 | >30 | E, L | LH, UA | UGx3132 | ||
| A1205 | -40 to 50 | -50 to 40 | 5 to 55 | L | LH, UA | A3134 | Optimized for pulsed Vcc | |
| A3230 | -10 to 25 | -25 to 10 | 5 to 25 | E, L | LH, UA | Chopper-stabilized (bipolar switch) | ||
| Temperature range codes: S = -20°C to 85°C, E = -40°C to 85°C, K = -40°C to 125°C, L = -40°C to 150°C | ||||||||