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PDF SS3212 Data sheet ( Hoja de datos )
| Número de pieza | SS3212 | |
| Descripción | CMOS Omnipolar High Sensitivity Micropower Hall Switch | |
| Fabricantes | SEC | |
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SS3212
CMOS Omnipolar High Sensitivity Micropower Hall Switch
Features
Micropower consumption for battery powered applications
Omnipolar, output switches with absolute value of North or South pole from magnet
Operation down to 2.5V
High sensitivity for direct reed switch replacement applications
3 pin SOT23 (suffix SO)
3 pin SIP (suffix UA)
General Description
The SS3212Omnipolar Hall effect sensor IC is fabricated from
mixed signal CMOS technology .It incorporates advanced
chopper-stabilization techniques to provide accurate and stable
magnetic switch points.
The circuit design provides an internally controlled clocking
mechanism to cycle power to the Hall element and analog
signal processing circuits. This serves to place the high
current-consuming portions of the circuit into a “Sleep” mode.
Periodically the device is “Awakened” by this internal logic
and the magnetic flux from the Hall element is evaluated
against the predefined thresholds. If the flux density is above
or below the Bop/Brp thresholds then the output transistor is
driven to change states accordingly. While in the “Sleep” cycle
the output transistor is latched in its previous state. The design
has been optimized for service in applications requiring
extended operating lifetime in battery powered systems.
The output transistor of the SS3212 will be latched on (Bop) in
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the presence of a sufficiently strong South or North magnetic
field facing the marked side of the package. The output will be
latched off (Brp) in the absence of a magnetic field.
Applications
Solid state switch
Handheld Wireless Handset Awake Switch
Lid close sensor for battery powered devices
Magnet proximity sensor for reed switch replacement in low duty cycle applications
1 V2.00 May 1, 2012
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
SS3212
CMOS Omnipolar High Sensitivity Micropower Hall Switch
Magnetic Characteristics
Output Voltage(V)
3.0
2.5
OFF
2.0
B OPN
1.5
B RPN
1.0
B RPS
B OPS
0.5
ON
0
-80 -60 -40 -20 0 20 40 60 80
Magnetic Flux(Gauss)
Operating Parameters: TA = 25℃, VDD=2.75VDC.
PARAMETER
Operating Point
Release Point
Hysteresis
Symbol
Bop
Brp
Bhys
Min
-
+/-5
-
Type
+/-35
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+/-21
14
Max
+/-60
-
-
Units
Gs
Gs
Gs
ESD Protection
Human Body Model (HBM) tests according to: Mil. Std. 883F method 3015.7
Parameter
ESD Voltage
Symbol
V ESD
Limit Values
Min Max
4
Unit
kV
Notes
5 V2.00 May 1, 2012
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SS3212.PDF ] | |
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