13 KEY MINI-PIANO 13 鍵電子鋼琴芯片 VM013F ----------------------------------------------------------------------------------------------------------------------------------特點 1.0 FEATURES Auto power off function 自動關電功能 Low standby current 1 µA typical 靜態電流低, 典型 1 µA Wide operating voltage (2.5 - 5.0V) 工作電壓(2.5 - 5.0V) On chip pre-amp for envelope 芯片內有包絡音的前置放大器 Direct drive for buzzer 可直接驅動蜂鳴片 13-key directly input 直接用 13 鍵輸入 High tone priority 高音優先 Built-in oscillator circuit (no external resistor required) 內置振盪器電路(無需外接電阻) 2.0 ELECTRICAL CHARACTERISTICS 電特性 VDD =3.0 Volt, TA = 250C (unless otherwise specified 特別註明除外) LIMITS PARAMETER UNIT MIN TYP MAX 2.5 3 5 V - - 1.4 µA 44 - 63 kHz Quiescent Current 靜態電流 - - 5 µA Buzzer Output Current 輸出蜂鳴片電流 1 - - mA VDD-0.5 VDD VDD V Operating Voltage 工作電壓 Standby Current 靜態電流 Frequency 頻率 Key Input Voltage 鍵盤輸入電壓 3.0 APPLICATION INFORMATION 應用資料 + 17 18 19 3V 15 16 14 20 13 1 12 11 2 5 • 6 • 3 4 5 6 7 1 2 3 • 7 4 The IC substrate should be connected to VDD. 芯片襯底請接VDD。 8 109 5 6 7 • • • 1 2 3