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-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
- High-speed detection: (S-5713A/5722A/5723A Series) Operating cycle 132 μs typ., 240 μs max.
- Built-in power-down circuit: (S-5721A/5722A Series) Extends battery life in the power-down mode 1.0 µA max.
- Operating temperature range: -40 to +85C
- Lead-free, Sn 100 percent, halogen-free
- Packages: (S-5713A/5723A Series) SOT-23-3
Applications
- Open / close detection
- Jog dials, wheel keys
- Trackballs, mouse devices
- Operation keys
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