Datasheet > ATS636LSE_12

ATS636LSE_12

更新时间： 2024-01-21 06:46:27

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
15页	348K
描述
The ATS636LSE programmable, true power-on state (TPOS), device is optimized Hall-effect IC and rare-earth pellet combinations that switch in response to magnetic signals...

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ATS636LSE_12 数据手册

ATS636LSE

Programmable Back Biased Hall-Effect

Switch with TPOS Functionality

Features and Benefits

Description

▪ Chopper Stabilization

TheATS636LSE programmable, true power-on state (TPOS),

▫ Extremely low switchpoint drift over temperature

▪ On-chip Protection

▫ Supply transient protection

▫ Output short-circuit protection

▫ Reverse-battery protection

device is optimized Hall-effect IC and rare-earth pellet

combinations that switch in response to magnetic signals

created by ferromagnetic targets in gear-tooth sensing and

proximity applications.

▪ True Zero-Speed Operation

▪ True Power-On State

▪ Single-chip Sensing IC for High Reliability

▪ Optimized Magnetic Circuit

▪ Wide Operating Voltage Range

▪ Internal Regulator

The device is externally programmable. A wide range of

programmability is available on the magnetic operate point

(B_OP) while the hysteresis remains fixed. This advanced

feature allows for optimization of the circuit switchpoint and

can drastically reduce the effects of mechanical placement

tolerances found in production environments .

A proprietary dynamic offset cancellation technique, with

an internal high-frequency clock, reduces the residual offset

voltage, which is normally caused by device overmolding,

temperaturedependencies, andthermalstress. HavingtheHall

elementandamplifierinasinglechipminimizesmanyproblems

normally associated with low-level analog signals.

Package: 4-pin SIP (suffix SE)

This device is ideal for use in gathering speed or position

information using gear-tooth-based configurations, or for

proximity sensing with ferromagnetic targets.

Continued on the next page…

Not to scale

Functional Block Diagram

VCC

Program / Lock

To all

subcircuits

Reg

Programmming

Logic

Offset Adjust

OUT

Current

Limit

AMP

S/H

LPF

Clock/Logic

GND

635LSE-DS, Rev. 5

12 3 4 5 6 7...15

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