ENCODER / DECODER 4 種不同狀態編碼 / 解碼器 VD5026/5027/5028 ----------------------------------------------------------------------------------------------------------------特點 1.0 FEATURES Wide operating voltage (2 - 6V) 工作電壓 (2 - 6V) Low standby power consumption 靜態功耗低 On-chip RC oscillator, no crystal required 芯片上置有振盪器, 無需液晶體 Four time transmission with polarity checking 4 次極態校驗發送 Maximum of 4,194,304 combinations encoding capability 最多可有 4,194,304 種編碼能力 Minimize external components 外接零件少 Easy interface with RF, Ultrasonic or Infrared transmission 容易與 RF, 超音波或紅外線 Media 傳送媒體連接 Bonding option available to maximize encoding capacity 可選擇接駁方式, 4 種形態(0, with 4 possible addressing states. (0, 1, open and 4th state) 開啟及 4th), 可增加編碼能力 2.0 ELECTRICAL CHARACTERISTICS 電特性 (unless otherwise specified 特別註明除外) VDD = 5V, TA = 25℃ LIMITS PARAMETER SYMBOL UNIT MIN TYP MAX Operating Voltage 工作電壓 VDD 2 5 6 V Standby Current 靜態電流 ISB - - 0.6 µA Operating Current 工作電流 IDD - - 400 µA Output Voltage High 輸出高電壓 |VOH| 4.0 - - mA Output Voltage Low 輸出低電壓 VOL - - 0.19 mA FREQ 45 - 72 KHz Source Current 來源電流 (VOH = 4V) Ioh -2.0 - - mA Sink Current 灌進電流 (VOL = 1V) Iol 2.0 - - mA Iin (TE) - - 25 µA Frequency 頻率 Input Current 輸入電流 3.0 APPLICATION 應用 Security systems 保安系統 Theft alarm systems 防盜警告系統 Cordless telephone 無線電話 Smoke and fire alarm systems 煙火警告系統 TV GAME remote controllers 電視遊戲無線搖控器 Garage door controller 車房門控制器 Other remote control systems (TOYS, TV …) 其他搖控系統 ENCODER / DECODER 4 種不同狀態編碼 / 解碼器 VD5026/5027/5028 ----------------------------------------------------------------------------------------------------------------4.0 APPLICATION INFORMATION 應用資料 Three state Operation RX VDD VT VD5028-3 TX VDD DI DO VD5026-3 TE RX VDD VT VD5027-3 The IC substrate should be connected to VDD. 芯片襯底請接VDD。 DI D3 D2 D1 D0