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| Bowin Microelectronics M8031-2S : DING-DONG SOUND EFFECT GENERATOR IC _________________________________________________________________________________ General Description The M8031-2S is a ding-dong sound effect generator IC produced by LSI CMOS technology. With built-in RC oscillator and digital envelope circuits, minimal external components are required. This IC simulates the mechanical ding-dong sound, and is ideal for door bell application. Features - 1.3V to 3.3V operating voltage and low power consumption - One-shot mode of 2 ding-dong playing sequences - Standard TO-92 package form - Dynamic speaker can be driven with external NPN transistor Absolute Maximum Ratings DC Supply Voltage ........................................... -0.3V to +5.0V Operating Ambient Temperature .................... -10C to 60C Storage Temperature ....................................... -55C to 125C Electrical Characteristics (Vss=0V, Vdd=1.5V, Ta=25C, unless otherwise specified.) Parameter Symbol Min. Typ. Max. Operating voltage Vdd 1.3V 1.5V 3.3V Stand-by current Is 0.5A Operating current Idd 0.5mA 1mA Osc. frequency Focs 102kHz 120kHz 144kHz Conditions All terminal open Pin assignment of TO-92 package form BOWIN ELECTRONIC COMPANY 1 www.bowin-ic.com.hk Bowin Microelectronics Application Circuit Bonding Pads Diagram IC chip substrate is connected to Vss. REV.09-2003 BOWIN ELECTRONIC COMPANY 2 www.bowin-ic.com.hk |
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