RX-3

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RX-3

HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.1 2005.12.29

Http: www.silan.com.cn Page 1 of 6

TOY CAR REMOTE CONTROL RECEIVER

DIP-16-300-2.54

SOP-16-225-1.27

DESCRIPTION

The RX-3 is a CMOS LSIs designed for remote controlled car

applications. The RX-3 has only 2 keys with 3 states, i.e. forward key

for forward function, backward key for backward function, and stop

function if there is no signal.

FEATURES

* Wide operating voltage range (VCC=2.2 ~ 12V)

* Few external components are needed

* Typical oscillator frequency 76KHz

* RX-3 built-in Zener 3V

* 2 functions remote controller including forward/backward

ORDERING INFORMATION

Part No. Package

RX-3 DIP-16-300-2.54

RX-3S SOP-16-225-1.27

BLOCK DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Characteristics Symbol Value Unit

Supply Voltage VDC 0.3~15 V

Input / Output Voltage VI/O GND-0.3~VDD+0.3 V

Operating Temperature TOPR -10~60 C

Storage Temperature Tstg -25~125 C
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ELECTRICAL CHARACTERISTICS (VDD=6.0V,Fosc=76KHz, Tamb=25C, unless otherwise specified.)

Parameter Symbol Min Typ Max Unit

Operating Voltage VDD 2.2 6 12 V

Operating Current IDD -- 9 -- mA

O/P Driving Current Idrive -- 5 -- mA

Effect Decoding Frequency Variation Ftolerance -20% -- 20% --

PIN CONFIGURATION

PIN DESCRIPTION

Pin No. Symbol Description1 VO2 Inverter 2 output pin for signal amplify

2 NC No connection

3 GND Negative power supply

4 SI Input pin of the encoding signal

5 OSCI Oscillator input pin

6 NC No connection

7 OSCO Oscillator output pin

8 BACKWARD Backward output pin

9 NC No connection

10 NC No connection

11 FORWARD Forward output pin

12 VDD Positive power supply

13 NC No connection

14 VI1 Inverter 1 input pin for signal amplify

15 VO1 Inverter 1 output pin for signal amplify

16 VI2 Inverter 2 input pin for signal amplify

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TESTING CIRCUIT (Fosc=76 kHz)

Data Format

Forward Signal: F1=1 kHz

Backward Signal: F2=250Hz

F1=4F2 or F1=2F2 (Mask option)

TYPICAL APPLICATION CIRCUIT

M

12V

0V

SW

100F220F47F

47F

D1 IN41483303.3K 100

10PF

47PF

15PF

3.3F1.2K

5.6K

0.1F

0.002F

Q1

L1

0.01F3.3

K

330

3.9M

500P

F

3.3K

0.002F

91K

VR1

500K

1K

1K

100

Q9

Q11

Q12 Q13

Q10

Q8

0.02F100

330

3.9K

0.01F3.3K

9V

RX-3

82 3 4 5 6 71

14 13 12 11 10 916 15

VO2 NC GND SI OSCI NC OSCO

BACK

WARD

VI1VO1VI2 NC VDD FOR

WARD

NC NC

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PACKAGE OUTLINE

DIP-16-300-2.54 UNIT: mm

SOP-16-225-1.27 UNIT: mm

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Handling MOS devices:Electrostatic charges can exist in many things. All of our MOS devices are internally protected against

electrostatic discharge but they can be damaged if the following precautions are not taken:

Persons at a work bench should be earthed via a wrist strap.

Equipment cases should be earthed.

All tools used during assembly, including soldering tools and solder baths, must be earthed.

MOS devices should be packed for dispatch in antistatic/conductive containers.

Note: IC oscillator input mustn't be on the outside layer, thus to avoid the abnormal working when human body

touches the remote controller without crust in testing.

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ATTACHMENT

Revision History

Data REV Description Page

2004.08.03 1.0 Original

2005.12.29 1.1 Add the package of SOP-16-225-1.27

RX-3

Documents

Transcript of RX-3