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A3132 Datasheet(PDF) 1 Page - Allegro MicroSystems

Part No. A3132
Description  ULTRA-SENSITIVE BIPOLAR HALL-EFFECT SWITCHES
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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A3132 Datasheet(HTML) 1 Page - Allegro MicroSystems

   
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These Hall-effect switches are designed for magnetic actuation using
a bipolar magnetic field, i.e., a north-south alternating field. They
combine extreme magnetic sensitivity with excellent stability over
varying temperature and supply voltage. The high sensitivity permits
their use with multi-pole ring magnets over relatively large distances.
Each device includes a voltage regulator, quadratic Hall voltage
generator, temperature stability circuit, signal amplifier, Schmitt trigger,
and open-collector output on a single silicon chip. The on-board regula-
tor permits operation with supply voltages of 4.5 to 24 V. The switch
output can sink up to 25 mA. With suitable output pull up, they can be
used directly with bipolar or MOS logic circuits.
The three package styles available provide a magnetically optimized
package for most applications. Suffix ‘LT’ is a miniature SOT89/TO-
243AA transistor package for surface-mount applications; suffix ‘UA’
features wire leads for through-hole mounting. Prefix ‘UGN’ devices
are rated for continuous operation over the temperature range of -20
°C to
+85
°C, prefix ‘UGS’ devices over an extended range of -40°C to
+125
°C, and prefix ‘UGL’ devices over the range of -40°C to +150°C.
ULTRA-SENSITIVE BIPOLAR
HALL-EFFECT SWITCHES
FEATURES
s 4.5 V to 24 V Operation
s Reverse Battery Protection
s Superior Temperature Stability
s Superior Supply Voltage Stability
s Activate with Multi-Pole Ring Magnets
s Solid-State Reliability
s Small Size
s Constant Output Amplitude
s Resistant to Physical Stress
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VCC . . . . . . . . . . . . . 25 V
Reverse Battery Voltage, VRCC . . . . -35 V
Magnetic Flux Density, B . . . .
Unlimited
Output OFF Voltage, VOUT . . . . . . . . 25 V
Continuous Output Current, IOUT . 25 mA
Operating Temperature Range, TA
Prefix UGL . . . . . . . -40
°C to +150°C
Prefix UGN . . . . . . . . -20
°C to +85°C
Prefix UGS . . . . . . . -40
°C to +125°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . -65°C to +150°C
Always order by complete part number
including prefix and suffix, e.g., UGN3132LT .
Pinning is shown viewed from branded side.
3132 AND
3133
Dwg. PH-003A
1
V
CC
3
2


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