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HCPL-0370

器件名称: HCPL-0370
功能描述: AC/DC to Logic Interface Optocouplers
文件大小: 119.16KB    共13页
生产厂商: HP
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简  介:AC/DC to Logic Interface Optocouplers Technical Data HCPL-0370 HCPL-3700 HCPL-3760 Features Standard (HCPL-0370/3700) and Low Input Current (HCPL-3760) Versions AC or DC Input Programmable Sense Voltage Hysteresis Logic Compatible Output Thresholds Guaranteed over Temperature Thresholds Independent of LED Optical Parameters Recognized under UL 1577 and CSA Approved for Dielectric Withstand Proof Test Voltage of 3750 Vac, 1 Minute Description The HCPL-0370/3700 and HCPL-3760 are voltage/current threshold detection optocouplers. The HCPL-3760 is a low-current version of the HCPL-0370/3700. To obtain lower current operation, the HCPL-3760 uses a high-efficiency AlGaAs LED which provides higher light output at lower drive currents. The devices utilize threshold sensing input buffer ICs which permit control of threshold levels over a wide range of input voltages with a single external resistor. HCPL-0370/3700/3760 The input buffer incorporates several features: hysteresis for extra noise immunity and switching immunity, a diode bridge for easy use with ac input signals, and internal clamping Functional Diagram Applications Limit Switch Sensing Low Voltage Detector 5 V-240 V AC/DC Voltage Sensing Relay Contact Monitor Relay Coil Voltage Monitor Current Sensing Microprocessor Interfacing AC 1 8 VCC DC+ 2 7 NC DC- 3 6 VO AC 4 5 GND TRUTH TABLE (POSITIVE LOGIC) INPUT OUTPUT L H H L CAUTION: It is advised that normal static precautions be taken in handlin……
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