Seiko Instruments' Hall Effect Sensor IC's offer
bipolar or unipolar high speed detection and high sensitivity.
The output voltage changes when the Hall IC
detects the intensity level of flux density and a change in polarity. Using
Seiko Instruments' Hall Effect Sensor IC's with a magnet makes it possible to
detect opening/closing and rotation in various devices. High-density mounting
is possible by using the small SOT-23-3 or SNT-4A packages.
Features
Built-in chopper-stabilized amplifier
Detection of unipolar or bipolar magnetic fields
Applicable in various devices with wide range of
options
Pole detection: (S-5713A
Series) Detection of S pole or N pole
Detection logic: (S-5713A
Series) Active "L", active "H"
(S-5721A/5722A
Series) Level "H" at S pole detection, level "L" at S pole detection
(S-5723A
Series) Level "L" at S pole detection, level "H" at S pole detection
Output forms: Both Nch open
drain output and CMOS output available
Wide power supply voltage range: (S-5721A/5722A/5723A
Series) 2.4 to 5.5 V
Low current consumption: (S-5721A Series) 80 µA
typ., 120 µA max
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