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ETC - CMOS Multi-Purpose Switch

Numéro de référence US5881
Description CMOS Multi-Purpose Switch
Fabricant ETC 
Logo ETC 





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US5881 fiche technique
US5881
CMOS Multi-Purpose Switch
Features and Benefits
Chopper stabilized amplifier stage
New miniature package / thin, high reliability package
Operation down to 3.5V
CMOS for optimum stability, quality and cost
Applications
Solid state switch
Limit switch
Current limit
Interrupter
Current sensing
Ordering Information
Part No.
US5881
US5881
Temperature Suffix
E
L
Package
SO or UA
SO or UA
Temperature Range
-40oC to 85oC Extended
-40oC to 150oC Automotive
*Contact factory or sales representative for legacy temperature options
Functional Diagram
VDD
Voltage
Regulator
Chopper
Output
UA Package
Pin 1 - V D D
Pin 2 - GND
Pin 3 - Output
GND
SO Package
Pin 1 - VD D
Pin 2 - Output
Pin 3 - GND
Description
The US5881 is a unipolar Hall effect sensor IC fab-
ricated from mixed signal CMOS technology. It in-
corporates advanced chopper stabilization tech-
niques to provide accurate and stable magnetic
switch points. There are many applications for this
sensor in addition to those listed above. The de-
sign, specifications and performance have been
optimized for applications of solid state switches.
The output transistor will be switched on (BOP) in
the presence of a sufficiently strong South pole
magnetic field facing the marked side of the pack-
age. Similarly, the output will be switched off (BRP)
in the presence of a weaker South field and remain
off with “0” field. The SOT-23 device is reversed
from the UA package. The SOT-23 output transis-
tor will be switched on (BOP) in the presence of a
sufficiently strong North pole magnetic field sub-
jected to the marked face.
Note: This is a static-sensitive device; please observe ESD precau -
tions. Reverse VDD protection is not included. For reverse voltage
protection, a 100resistor in series with VDD is recommended.
US5881 CMOS Multi-Purpose Switch
3901005881 Rev 5.0
24/July/01
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