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PDF RF803 Data sheet ( Hoja de datos )
| Número de pieza | RF803 | |
| Descripción | Encoder Decoder ICs | |
| Fabricantes | RF Solutions | |
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Encoder / Decoder IC’s
RF803
Features
• 3 digital I/O
• Serial Data output
• Connects directly to RF Modules
• Easy Enc / Dec Pairing Function
• Minimal External Components Required
• Performs all encoding/decoding of data for Reliable Operation.
• Achieves Maximum Range From RF Modules
• Fast Activation / Deactivation Time
• Up to 15 Transmitter Pairings
• Compatible with FireFly, FireBlade and 205 series Transmitters
• Sleep mode, for battery saving
• One to many / many to one relationship.
16
2 RF803E 5
34
Applications
• Remote control
• Radio Telemetry
• RFID
18
27
RF803D
36
45
Description
The RF803 series are encoder and decoder devices. When combined with a Radio
transmitter/receiver they may be used to create a remote control system with up to 3 I/O lines.
The decoder IC incorporates an ‘easy learn’ pairing procedure to create a relationship between
encoder and decoder.
RF800 Series ICs perform all the necessary data manipulation and encoding/decoding of data
for an optimum range reliable radio link whilst providing a simple user interface.
In addition all RF800 series chipsets compatible with the RF Solutions range of remote control
transmitter or receiver meaning that custom designs using any RF800 part can be used with an
off the shelf counterpart.
Part Number
RF803E
RF803D
Description
Encoder IC
Decoder IC, 8 pin
Packages available
6 PIN SOT23
8 PIN PDIP
8 PIN SOIC
8 PIN PDIP
DS803-7 April 04
©2008 RF Solutions Ltd, www.rfsolutions.co.uk
Tel 01273 898000 Fax 01273 480661
Page 1
http://www.Datasheet4U.com
1 page  
Encoder / Decoder IC’s
Pin Descriptions RF803D
See Page 8 for application circuit example
RF803
SOIC / PDIP
Pin
Number
Name
7 OP1
6 OP2
5 OP3
1 Vcc
8 Vss
2 SD/ML
3 LRN
4 Rx
Input /
Output
Out
Out
Out
In
In
In/Out
In/Out
In
Description
Digital Output 1
Digital Output 2
Digital Output 3
Supply Voltage
Supply GND
Serial Data Output / Momentary / Latching setting
Learn / Erase Function
Rx Data input
Vcc
2.5-5.5V DC input. The power supply needs to be a stable regulated voltage with <10mV ripple
GND
Ground connection.
OP1-3
These outputs are asserted LOW when the relevant inputs (S1 – S3) on the RF803E are asserted.
(see latch/unlatch information under ‘LKIN’).
RX DATA
This is the data input to the decoder it may be connected directly to the RF receiver module.
LRN
This input is used to set the decoder module to ‘Learn Mode’ and for the ‘Erase Function’ and is
also used to drive the Status LED.
SERIAL / OP TIMING
Multi-functional pin
This pin is read on power up to sets the action of outputs 1-3, Momentary action is set by a
connection to ground through a 2K2 ohm resistor, latching is set using open circuit.
In normal run mode this pin outputs serial data on reception of a valid data string.
DS803-7 April 04
©2008 RF Solutions Ltd, www.rfsolutions.co.uk
Tel 01273 898000 Fax 01273 480661
Page 5
5 Page 
Encoder / Decoder IC’s
Appendix – Package types
6 PIN SOT-23 PACKAGE
RF803
DS803-7 April 04
©2008 RF Solutions Ltd, www.rfsolutions.co.uk
Tel 01273 898000 Fax 01273 480661
Page 11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet RF803.PDF ] | |
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