ETC VD5028

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