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    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是一種單極霍爾效應(yīng)開(kāi)關(guān)傳感器，用于少接觸開(kāi)關(guān)應(yīng)用。該設(shè)備包括一個(gè)用于磁傳感的片上霍爾電壓發(fā)生器，一個(gè)放大霍爾電壓的放大器，一個(gè)用于為噪聲抑制提供開(kāi)關(guān)滯后的施密特觸發(fā)器，以及一個(gè)開(kāi)漏極輸出。帶隙調(diào)節(jié)器允許一個(gè)廣泛的工作電壓范圍。

    OCH145A的額定工作溫度范圍為-40°C到150°C，電壓范圍為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/應(yīng)用：

RPM Detection

Speed measurement

Non-Contact Switch

Position Control

Revolution Detection

Textile Control System

OCH145A Pin Configuration：

OCH145A Application Circuit：

OCH145A Block Diagram：