The unique VF401 bridge array (patent number 6,297,628) has been optimized to allow a greater air gap between the target and the sensor with reduced loss in sensor signal or accuracy.
The VF401 has a reduced sensitivity to run-out (shift in sensor position relative to the inside or outside diameter of the ring magnet). It is also less sensitive to tilt tolerance (deviation from parallel positioning of the sensing elements and ring magnet), accepting up to 10°, versus only 2° to 3° for typical ring magnet sensors, as well as being less sensitive to twist (deviation of perfect angular position of the bridge runners relative to the pole transitions).
Series Name | VF401 |
Product Type | Anisotropic magnetoresistive (AMR) speed, direction, or position sensor IC |
Magnetic Actuation Type | Differential bridge |
Supply Voltage | 4.5 Vdc to 16 Vdc |
Supply Current | High: 14 mA typ., low: 7 mA typ. |
Output Type | Sourcing |
Operating Temperature | -40°C to 150°C [-40°F to 302°F] |
Package Type | Flat TO-92-style, 500 units/bag |
Switching Time Rise (10 % to 90 %) | 1.5 µs max. |
Switching Time Fall (90 % to 10 %) | 1.5 µs max. |
Availability | Global |
Technical Specifications
Series Name | VF401 |
Product Type | Anisotropic magnetoresistive (AMR) speed, direction, or position sensor IC |
Magnetic Actuation Type | Differential bridge |
Supply Voltage | 4.5 Vdc to 16 Vdc |
Supply Current | High: 14 mA typ., low: 7 mA typ. |
Output Type | Sourcing |
Operating Temperature | -40°C to 150°C [-40°F to 302°F] |
Package Type | Flat TO-92-style, 500 units/bag |
Switching Time Rise (10 % to 90 %) | 1.5 µs max. |
Switching Time Fall (90 % to 10 %) | 1.5 µs max. |
Availability | Global |
TITLE | DOCUMENT TYPE | LANGUAGE | SIZE |
VF401 2-Wire Fine Pitch Ring Magnet Sensor | Datasheet | English | 166KB |
---|---|---|---|
VF401 highres photo | -- | 708KB | |
VF401 lowres photo | English | 102KB | |
Position Sensors Range Guide | Product Range Guide | English | 3MB |
Magnetic Sensor IC Selection Chart | Line Card/Selection Chart | English | 176KB |
Magnetic Sensor IC Product Line Card | Line Card/Selection Chart | English | 433KB |
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