Hybrids AMS8176/77

AMS8176/77	Block diagram
DESCRIPTION The AMS8170 series are hybrid circuits dedicated to tubular inductive proximity detectors, especially for small diameter hollow stud constructions. The module consists of a proximity detector IC with a PNP output buffer for NC and NO applications. A part of the multiple protection functions and the status indicator (LED) are realized with discrete elements. All these components are assembled by using hybrid thick film technology (ASIC-on-Hybrid) combined with surface mounted devices. By adding a coil with a potcore and a distance resistor the AMS8170series works as a complete proximity switch. AMS8176 Proximity switch hybrid for switches with 4 or M6 diameter. AMS8177 Proximity switch hybrid for switches with M6 or M8-M12 diameter.
FEATURES Normally Open (NO) or Normally Closed (NC) option capability Switching distance adjustable by discrete resistor trimming Wide voltage supply range 7 to 35V Output current up to 100mA; PNP open collector LED for function control (LED = ON when detection occurs) Protection against short-circuit and overload (scanning) Protection against open ground Protection against reverse polarity Protection of output transistor against transients by a zener diode (350mW) Protection against supply voltage overloads by a zener diode (350mW) Protection against repetitive fast electrical transients on supply voltage leads by RC-filtering Power-on delay and level RoHS compliant	APPLICATIONS Proximity switches with small diameters DOWNLOAD Datasheet AMS 8176 Datasheet AMS 8177
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