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A1121 Sensor HALL EPS Component For Fiat Opel
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Sensor HALL EPS Component For Fiat Opel
Use In:
Fiat Grande Punto
Opel Corsa D
Opel Meriva (angle)
Dimension: 4.3 x 3 x 1.5 (Body)
A1121 - Unipolar Hall Effect Switch
The A1121 is an integrated Hall effect latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sensor also works nicely, but can be limited by the glass encapsulation and size. A hall effect sensor is much smaller, but can handle less current than a reed switch.
The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal bandgap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.
If a magnetic flux density larger than threshold Bop, DO is turned on (low). The output state is held until a magnetic flux density reversal falls below Brp causing DO to be turned off (high).
Features:
- 3V to 24V DC operation voltage
- Low current consumption
- Temperature compensation
- Wide operating voltage range
- South Pole outpu turn ON
- Open-Collector pre-driver
- 25mA maximum sinking output current
- Reverse polarity protection
Marque | Fiat, Opel |
---|---|
Type de produit | Micro Composants, Capteur |
Application | Frein-ABS, Direction |
Lien | 3 Pin |