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December 2, 2010
1 Min Read
.svg?width=850&auto=webp&quality=95&format=jpg&disable=upscale "High-Speed Unipolar and Bipolar Detection Type Hall IC's")
Seiko Instruments' Hall Effect Sensor IC's offerbipolar or unipolar high speed detection and high sensitivity.
The output voltage changes when the Hall ICdetects the intensity level of flux density and a change in polarity. UsingSeiko Instruments' Hall Effect Sensor IC's with a magnet makes it possible todetect opening/closing and rotation in various devices. High-density mountingis 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 ofoptions
Pole detection: (S-5713ASeries) Detection of S pole or N pole
Detection logic: (S-5713ASeries) Active "L", active "H"
(S-5721A/5722ASeries) Level "H" at S pole detection, level "L" at S pole detection
(S-5723ASeries) Level "L" at S pole detection, level "H" at S pole detection
Output forms: Both Nch opendrain output and CMOS output available
Wide power supply voltage range: (S-5721A/5722A/5723ASeries) 2.4 to 5.5 V
Low current consumption: (S-5721A Series) 80 µAtyp., 120 µA max
High-speed detection: (S-5713A/5722A/5723A Series) Operatingcycle 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
(S-5721A/5722A Series) SNT-4A
Applications
Open / close detection
Jog dials, wheel keys
Trackballs, mouse devices
Operation keys
High-Speed Unipolar and Bipolar Detection Type Hall IC’s
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