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NJU7181RB1
NJU7181 SIGNAL LEVEL SENSOR SYSTEM PACKAGE OUTLINE GENERAL DESCRIPTION The NJU7181 is a signal level sensor system IC. It sends a High flag to the microprocessor or other equipments whenever it detects the existence of the audio signal. The NJU7181 includes a delay circuit which allows the IC continue to hold the flag after the absence of the audio signal. This holding time can be adjusted with external capacitor. Together with its adjustable Input Sensitivity (by external resistor) & its characteristic of low current consumption and low operating voltage, NJU7181 is suitable for Eco-Design of Energy-using Products and for battery operated applications. NJU7181RB1 MSOP8 (TVSP8) NJU7181KU1 FEATURES • Operating Voltage 0.9 to 5.5V • Low Operating Current 55µA typ. • Delay circuit for long Recovery time • Adjustable Recovery time by external capacitor • Adjustable Input Sensitivity by external resistance • C-MOS Technology • Package Outline MSOP8 (TVSP8)* ESON8 *MEET JEDEC MO-187-DA / THIN TYPE APPLICATIONS • Power Saving for battery operated devices • Muting Application • Memory saving for recording devices • Half- duplex transmission application BLOCK DIAGRAM V+ ON OFF V+ External Trigger OUT D Level Detector Delay L CLR Latch IN Version 5.4E –1–
JRC
日本無線株式会社
日本
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