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| UTC 1618 6 KEYS SIREN/ALARM SOUND GENERATOR CMOS IC DESCRIPTION The UTC 1618 is a CMOS design for 6 different alarm sounds application. According to the priority of the select keys, the sound of UTC 1618 will be generated in cycling sequence. FEATURES *Auto power off function , reduce power consumption. * Low operating voltage: 2V ~ 5V. * On-chip RC oscillator. * 6 different sounds. * 6 prioritized keys for selecting 6 different sounds. * Low stand by current. * CMOS process. DIP-16 * Pb-free plating product number: 1618L PIN CONFIGURATION VDD S3 S5 S4 S6 S2 S1 GND 1 2 3 4 5 6 7 8 16 15 14 UTC 1618 13 12 11 10 9 NC NC OSC2 OSC1 BZ2 BZ1 NC INI UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R502-007,D UTC 1618 PIN DESCRIPTIONS Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol VDD S1 S2 S3 S4 S5 S6 GND INI NC BZ1 BZ2 OSC1 OSC2 NC NC I/O I I I I I I I O O O I O No connecting. No connecting. Power supply pin (+). Function CMOS IC Sound selection keys. These keys connect with internal pull-down resistors. The sound output wiil be enabled when a key is connected to VDD. On other hands, the sound output will be disabled if a key is N.C. or connected to GND. When two or more keys are selected in the same time, the sound will be generated in cycling sequence. According to the priority of the keys, the proirity of S1~S6 list below : S1>S2>S6>S4>S5>S3. Power supply pin (-). An internal pull-up resistor. Might disable BZ1, BZ2, when connected to GND. No connecting. Audio output pins. Oscillator pin with external resistor. ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Output Voltage Operating Temperature Storage Temperature SYMBOL VDD Vi Vo Topr Tstg RATINGS -0.3 ~ 6 -0.3 ~ VDD+0.3 -0.3 ~ VDD+0.3 0 ~ 65 -40 ~ 125 UNIT V V V C C ELECTRICAL CHARACTERISTICS (Unless otherwise specified: V PARAMETER Operating Voltage Stand-By Current Operating Current BZ1, BZ2 Driving Current Operating Frequency =3V , Ta=25C) SYMBOL VDD Isb Iop Ioh Iol Fop MIN. 2 TYP. 3 10 300 MAX. 5 20 500 UNIT V uA uA mA mA 1 1 70 80 128 K Hz UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R502-007,D UTC 1618 APPLICATION CIRCUIT ( ) CMOS IC VDD 12V 1K 10F/16V IN5392 ZD 3.3 V 2.2 K 1 VDD 2 S3 NC NC OSC2 OSC1 UTC 1618 BZ2 BZ1 NC INI 16 15 14 13 12 11 10 9 0.01 0.68K 945 0.1K 882 51K 3 S5 4 S4 5 S6 6 S2 7 S1 8 GND UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R502-007,D UTC 1618 APPLICATION CIRCUIT ( ) CMOS IC VDD 12V 1K IN5392 ZD 3.3 V 10F/16V 2.2 K 772 772 1 2 3 4 5 6 7 8 VDD S3 S5 S4 UTC 1618 S6 S2 S1 GND NC NC OSC2 OSC1 BZ2 BZ1 NC INI 16 15 14 13 12 11 10 9 0.01 0.68K 51K 0.68 K 945 945 0.1 K 882 0.1 K 882 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R502-007,D |
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