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S-5722A

Seiko Instruments
Part Number S-5722A
Manufacturer Seiko Instruments
Description HALL-IC
Published Jan 18, 2010
Detailed Description Rev.2.1_00 BIPOLAR DETECTION TYPE HALL IC WITH POWER-DOWN FUNCTION S-5721A/5722A Series The S-5721A/5722A Series, dev...
Datasheet PDF File S-5722A PDF File

S-5722A
S-5722A

Overview
Rev.
2.
1_00 BIPOLAR DETECTION TYPE HALL IC WITH POWER-DOWN FUNCTION S-5721A/5722A Series The S-5721A/5722A Series, developed using CMOS technology, is a bipolar detection type Hall IC with a high-sensitivity that operates on a low current.
The output voltage changes when the S-5721A/5722A Series detects the intensity level of flux density and a polarity change.
Using the S5721A/5722A Series with a magnet makes it possible to detect rotation in various devices.
High-density mounting is possible by using the super-small SNT-4A package.
Also, the S-5721A/5722A Series is the most suitable for portable devices due to the included power-down circuit.
„ Features • Built-in chopping stabilized amplifier • Detection of bipolar magnetic fields • Applicable in various devices with wide range of option Detection logic for magnetism : Level “H” at S pole detection, level “L” at S pole detection Output types : CMOS output, Nch open drain output • Wide power supply voltage range : 2.
4 V to 5.
5 V • Low current consumption : 80 µA typ.
, 120 µA max.
(S-5721A Series) • High speed detection : Operating cycle 132 µs typ.
, 240 µs max.
(S-5722A Series) • Built-in power-down circuit : Extends battery life In the power-down mode 1.
0 µA max.
• Operating temperature range : −40°C to +85°C Small dependency magnetic characteristics against temperature • Small package : SNT-4A • Lead-free product „ Applications www.
DataSheet4U.
com • Jog dials, wheel keys • Trackballs, mouse devices • Operation keys • Playthings, portable games • Home appliances „ Package Package Name SNT-4A Package PF004-A Drawing Code Tape Reel PF004-A PF004-A Land PF004-A Seiko Instruments Inc.
1 BIPOLAR DETECTION TYPE HALL IC WITH POWER-DOWN FUNCTION Rev.
2.
1_00 S-5721A/5722A Series „ Block Diagrams 1.
CMOS output product VDD *1 Power-down circuit CE *1 *1 Sleep/Awake logic *1 OUT *1 Chopping stabilized amplifier VSS *1.
Parasitic diode Figure 1 2.
Nch open drain output product VDD *1 Power-down circuit CE w...


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