Si720x Switch/Latch Hall Effect Magnetic Position Sensor Data Sheet
2019-05-25
The Si7201/2/3/4/5/6 family of Hall effect magnetic sensors and latches from Silicon
Labs combines a chopper-stabilized Hall element with a low-noise analog amplifier, 13-
bit analog-to-digital converter, and a flexible comparator circuit. Leveraging Silicon Labs'
proven CMOS design techniques, the Si720x family incorporates digital signal processing
to provide precise compensation for temperature and offset drift.
Compared with existing Hall effect sensors, the Si720x family offers industry-leading
sensitivity, which enables use with larger air gaps and smaller magnets. For batterypowered
applications, the Si720x family offers very low power consumption to improve
operating life. For automotive applications, the Si720x family in SOT23 packages is
AEC-Q100 qualified.
The Si720x devices are offered in 3-pin SOT23 and TO-92 packages, with power,
ground, and a single output pin that goes high or low as the magnetic field increases.
With the three-pin package, tamper indication is by the pin going back to its zero field
level at high magnetic field.
In the 5-pin SOT23 and 8-pin DFN(coming soon) packages, pins are available for both
sleep mode activation and separate tamper indication.
Labs combines a chopper-stabilized Hall element with a low-noise analog amplifier, 13-
bit analog-to-digital converter, and a flexible comparator circuit. Leveraging Silicon Labs'
proven CMOS design techniques, the Si720x family incorporates digital signal processing
to provide precise compensation for temperature and offset drift.
Compared with existing Hall effect sensors, the Si720x family offers industry-leading
sensitivity, which enables use with larger air gaps and smaller magnets. For batterypowered
applications, the Si720x family offers very low power consumption to improve
operating life. For automotive applications, the Si720x family in SOT23 packages is
AEC-Q100 qualified.
The Si720x devices are offered in 3-pin SOT23 and TO-92 packages, with power,
ground, and a single output pin that goes high or low as the magnetic field increases.
With the three-pin package, tamper indication is by the pin going back to its zero field
level at high magnetic field.
In the 5-pin SOT23 and 8-pin DFN(coming soon) packages, pins are available for both
sleep mode activation and separate tamper indication.
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