參數(shù)資料
型號: ATS635LSETN-T
廠商: Allegro Microsystems Inc
文件頁數(shù): 2/16頁
文件大小: 546K
描述: IC SENSOR GEAR TOOTH 4-SIP
產(chǎn)品培訓(xùn)模塊: Current Sensor
標(biāo)準(zhǔn)包裝: 450
傳感范圍: 0.25mm ~ 6mm
類型: 線性 - 可編程
電源電壓: 4.2 V ~ 24 V
電流 - 電源: 5.5mA
電流 - 輸出(最大): 20mA
輸出類型: 數(shù)字,開路集電極
特點(diǎn): 可編程
工作溫度: -40°C ~ 150°C
封裝/外殼: 4-SIP
供應(yīng)商設(shè)備封裝: 4-SIP
包裝: 帶卷 (TR)
Description
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
created by ferromagnetic targets in gear-tooth sensing and
proximity applications.
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,
temperature dependencies, and thermal stress. Having the Hall
element and amplifier in a single chip minimizes many problems
normally associated with low-level analog signals.
This device is ideal for use in gathering speed or position
information using gear-tooth-based configurations, or for
proximity sensing with ferromagnetic targets.
635LSE-DS, Rev. 5
Features and Benefits
?Chopper Stabilization
?Extremely low switchpoint drift over temperature
?On-chip Protection
?Supply transient protection
?Output short-circuit protection
?Reverse-battery protection
?True Zero-Speed Operation
?True Power-On State
?Single-chip Sensing IC for High Reliability
?Optimized Magnetic Circuit
?Wide Operating Voltage Range
?Internal Regulator
Programmable Back Biased Hall-Effect
Switch with TPOS Functionality
Continued on the next page&
Package: 4-pin SIP (suffix SE)
Not to scale
ATS636LSE
Functional Block Diagram
Reg
Clock/Logic
AMP
S/H
LPF
Current
Limit
VCC
OUT
GND
Programmming
Logic
Program / Lock
Offset Adjust
To all
subcircuits
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