OCH145A Description/概述:
The OCH145A is a unipolar hall effect switch sensor,which is for contact less switching applications. The device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier that amplifies the Hall voltage, a Schmitt trigger to provide switching hysteresis for noise rejection, and an open-drain output. The bandgap regulator allows a wide operating voltage range.
OCH145A is rated for operating temperature range from -40°C to 150°C and voltage range from 2.7V to 24V.
OCH145A是一种单极霍尔效应开关传感器，用于少接触开关应用。该设备包括一个用于磁传感的片上霍尔电压发生器，一个放大霍尔电压的放大器，一个用于为噪声抑制提供开关滞后的施密特触发器，以及一个开漏极输出。带隙调节器允许一个广泛的工作电压范围。
OCH145A的额定工作温度范围为-40°C到150°C，电压范围为2.7V到24V。
OCH145A FeaturesFeatures/特性:
Wide operating voltage range: 2.7V~24V
Operating Temperature: -40℃~+150℃
Maximum output sink current: 25mA
Reverse polarity protection
Open-Drain pre-driver output
Package: SIP-3L、SOT23-3L
OCH145A Applications/应用：
RPM Detection
Speed measurement
Non-Contact Switch
Position Control
Revolution Detection
Textile Control System
OCH145A Pin Configuration：
OCH145A Application Circuit：
OCH145A Block Diagram：
CST145A Hall Sensor Location:
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