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SM1155 Folha de dados(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM1155 Folha de dados(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 7 page SM1155 series NIPPON PRECISION CIRCUITS—1 NIPPON PRECISION CIRCUITS INC. Melody LSIs OVERVIEW The SM1155 series are CMOS melody LSIs that, together with a battery and piezoelectric buzzer, operate in one of 3 melody modes determined by bonding options. They also feature an oscillator stop function in non- play mode and a variable pull-down resistance function that responds to input levels in order to reduce power consumption, reduce cost, and extend battery life, making them ideal in a wide range of applications including the hold sound for telephones and toys. FEATURES I Requires few external components I 1.2 to 3.6V wide operating voltage range I Low power consumption I 3 melody modes (bonding option) I Oscillator stop function in non-play mode I Power saving pull-down resistor built-in I RC oscillator circuit I Power-ON initialization function I Wide pitch dynamic range (G3 to D7) I 8-pin SOP package ORDERING INFORMATION PINOUT (Top view) PACKAGE DIMENSIONS (Unit: mm) D e vice P a ck ag e SM1155 ×××1S 8-pin SOP SM1155 ×××2S SM1155 ×××3S 1 T1 VSS OUT TC 4 2 3 OUT VDD 8 7 6 5 TG T2 5.2 ± 0.3 0.695typ 1.27 0.4 ± 0.1 0.12 M 0.10 0.15 − 0.05 + 0.1 0 to 10 |
Nº de peça semelhante - SM1155 |
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Descrição semelhante - SM1155 |
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