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ATS632LSA fiches techniques PDF

Allegro MicroSystems - TRUE ZERO-SPEED/ HALL-EFFECT ADAPTIVE GEAR-TOOTH SENSOR

Numéro de référence ATS632LSA
Description TRUE ZERO-SPEED/ HALL-EFFECT ADAPTIVE GEAR-TOOTH SENSOR
Fabricant Allegro MicroSystems 
Logo Allegro MicroSystems 





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ATS632LSA fiche technique
ATS632LSA
HALL-EFFECT
GEAR-TOOTH SENSOR
SUBASSEMBLY
ATS632LSA
ZERO-SPEED, SELF-CALIBRATING,
NON-ORIENTED, HALL-EFFECT GEAR-TOOTH SENSOR
1
2
3
4
The ATS632LSA gear-tooth sensor is an optimized Hall-effect IC/
magnet combination that provides extremely accurate tooth edge
detection when used with large-pitch targets. The sensor subassembly
consists of a high-temperature plastic shell that holds together a
compound samarium-cobalt magnet and a single-element self-calibrat-
ing Hall-effect IC that has been optimized to the magnetic circuit. This
small package, with its non-oriented operation, can be easily as-
sembled on a PC board for complete protection and used in conjunc-
tion with a number of gear configurations.
Pin 1 = Supply
Pin 2 = Output
Pin 3 = Test Point
Pin 4 = Ground
Dwg. AH-006-2
PRELIMINARY INFORMATION
(subject to change without notice)
December 2, 1998
The gear sensing technology used for this sensor subassembly is
Hall-effect based. The sensor incorporates a single-element Hall IC
that switches in response to absolute magnetic signals created by a
ferrous target. The digital output is LOW over a tooth and HIGH over a
valley. The sophisticated processing circuitry contains self-calibrating
6-bit A/D circuitry that adapts the thresholds to the peak-to-peak
signals to minimize the effects of variation in application air gap on
switch-point timing accuracy. The effects of system and device offsets
are minimized by using active offset cancellation circuitry. The digital
algorithm provides zero-speed detection capabilities without the
associated running jitter inherent in classical digital solutions.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VCC ......................... 24 V*
Reverse Supply Voltage, VRCC ........ -24 V
Output OFF Voltage, VOUT ................. 25 V
Output Current, IOUT .. Internally Limited
Reverse Output Current, IOUT ........ 50 mA
Package Power Dissipation,
PD .................................... See Graph
Operating Temperature Range,
TA ............................ -40°C to +150°C
Storage Temperature, TS ............ +170°C
* Operation at increased supply voltages with
external circuitry is described in Applications
Information.
This sensor system is ideal for use in gathering speed, position
and profile information of ferrous objects. They are particularly suited
to large tooth/valley sensing applications where accurate timing
accuracy is a desired feature. For applications requiring the sensing of
fine-pitch gears, the ATS610LSA and ATS611LSB are recommended.
continued next page…
Always order by complete part number, e.g., ATS632LSA .

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No Description détaillée Fabricant
ATS632LSA ZERO-SPEED/ SELF-CALIBRATING/ NON-ORIENTED/ HALL-EFFECT GEAR-TOOTH SENSOR Allegro MicroSystems
Allegro MicroSystems
ATS632LSA TRUE ZERO-SPEED HALL-EFFECT GEAR-TOOTH SENSOR Allegro MicroSystems
Allegro MicroSystems
ATS632LSA ZERO-SPEED/ SELF-CALIBRATING/ NON-ORIENTED/ HALL-EFFECT GEAR-TOOTH SENSOR Allegro MicroSystems
Allegro MicroSystems
ATS632LSA TRUE ZERO-SPEED/ HALL-EFFECT ADAPTIVE GEAR-TOOTH SENSOR Allegro MicroSystems
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