参数资料
型号: RF803D
厂商: RF Solutions
文件页数: 7/13页
文件大小: 0K
描述: IC DECODER 3 DGTL I/O 8-PDIP
标准包装: 1
类型: 解码器
应用: RF,IR
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-DIP
包装: 散装
产品目录页面: 582 (CN2011-ZH PDF)
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12
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Pin Descriptions RF803E
See Page 8 for typical application circuit
RF803E
PDIP
DFN
1
8
7
6
3
2
VCC
IP 2
TX
GND
N/C
4
5
IP1
IP 3
N/C
SOT23
Pin
Number
Name
Input /
Output
Description
1
IP 1
IP
Switch input 1 (active low)
3
IP 2
IP
Switch input 2 (active low)
6
IP 3
IP
Switch input 3 (active low)
2
GND
IP
Supply GND
4
TX
OP
Data output
5
Vcc
IP
Supply Voltage
PDIP
Pin
Number
Name
Input /
Output
Description
1
-
Not Connected
2
Vcc
IP
Supply Voltage
3
TX
OP
Data output
4
IP 2
IP
Switch input 2 (active low)
5
IP1
IP
Switch Input 1 (active low)
6
-
Not Connected
7
GDN
OP
Ground Connection
8
IP3
IP
Switch Input 3 (active low)
IP 1-3
These are the switch inputs which when operated wake up the RF803E and cause transmission.
They may be switched directly to Ground. Transmission occurs for the duration of the switch
operation.
Vcc
The power supply needs to be a stable regulated voltage between 2.5 and 5.5V with <10mV ripple.
Note that in idle mode the transmitter current drain is typically only 100nA.
GND
Ground connection
TX
Data Output, this is a standard CMOS / TTL output that may be connected directly to the data input
pin of the RF Module. In the event that this represents a load to Vcc then a buffer stage between
the data output and the RF module will be required.
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