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UGN3059KA

Part Number	UGN3059KA
Manufacturer	Allegro MicroSystems
Description	HALL-EFFECT GEAR-TOOTH SENSORS
Published	Sep 30, 2005
Detailed Description	3059 AND 3060 HALL-EFFECT GEAR-TOOTH SENSORS —AC COUPLED 3059 AND 3060 The UGN/UGS3059KA and UGN/UGS3060KA ac-coupled H...
Datasheet	UGN3059KA PDF File

Overview

3059 AND 3060 HALL-EFFECT GEAR-TOOTH SENSORS —AC COUPLED 3059 AND 3060 The UGN/UGS3059KA and UGN/UGS3060KA ac-coupled Halleffect gear-tooth sensors are monolithic integrated circuits that switch in response to changing differential magnetic fields created by moving ferrous targets.
These devices are ideal for use in non-zero-speed, gear-tooth-based speed, position, and timing applications such as in anti-lock braking systems, transmissions, and crankshafts.
Both devices, when coupled with a back-biasing magnet, can be configured to turn ON or OFF with the leading or trailing edge of a gear-tooth or slot.
Changes in fields on the magnet face caused by a moving ferrous mass are sensed by two integrated Hall transducers and are differentially amplified by on-chip electronics.
This differential sensing design provides immunity to radial vibration within the devices’ operating air gaps.
Steady-state magnet and system offsets are eliminated using an on-chip differential band-pass filter.
This filter also provides relative immunity to interference from RF and electromagnetic sources.
The on-chip temperature compensation and Schmitt trigger circuitry minimizes shifts in effective working air gaps and switch points over temperature, allowing operation to low frequencies over a wide range of air gaps and temperatures.
Each Hall-effect digital Integrated circuit includes a voltage regulator, two quadratic Hall-effect sensing elements, temperature compensating circuitry, a low-level amplifier, band-pass filter, Schmitt trigger, and an open-collector output driver.
The on-board regulator permits operation with supply voltages of 4.
5 to 24 volts.
The output stage can easily switch 20 mA over the full frequency response range of the sensor and is compatible with bipolar and MOS logic circuits.
The two devices provide a choice of operating temperature ranges.
Both devices are packaged in a 5-pin plastic SIP.
Data Sheet 27612.
20* HALL-EFFECT GEAR-TOOTH SENSORS —AC COUPLED X X ...

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UGN3059KA HALL-EFFECT GEAR-TOOTH SENSORS - Allegro MicroSystems

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