Infrared remote control encode circuit

-40~+125

Tstg

Storage temperature

-20~+70

Topr

Work temperature

mW

300

Pa

Most power consumptionVcc=12V

V

-0.3~Vcc+0.3

Vo

Output pressure

V

-0.3~Vcc+0.3

Vi

Input pressure

V

-0.3~12.0

Vcc

Power supply pressure

Unit

Parameter scope

Sign

Parameter

 

Limit parameterTa=25:

 

SOP18SOP/DIP20

LX2272-X4

6561

Y

 

4

8

LX2262-IR4

SOP18SOP/DIP20

LX2272-X0

531,441

 

Y

0

12

LX2262-R0

SOP18SOP/DIP20

LX2272-X2

59049

 

Y

2

10

LX2262-R2

SOP18SOP/DIP20

LX2272-X4

6561

 

Y

4

8

LX2262-R4

SOP18SOP/DIP20

LX2272-X6

729

 

Y

6

6

LX2262-R6

Package

Decoder model

Most address digit

Application

Infrared

 

Application

Wireless

 

Digit

Data

 

Digit

Address

Model

 

Function comparison table:

 

Empty pin

--

NC

Data Output Pinfrequently low

O

DOUT

double resistance oscillator output end

O

OSC2

double resistance oscillator input end

I

OSC1

Code startup end,is applied for code transmitter of multi-data,low electricity level effectivly,a built-in pull up.

I

TE_

Negative Power Supply

I

VSS

Positive Power Supply

I

VDD

There is "1" in data input end, once a code is sended, a built-in pull down

I

D0~Dx

Address pin,is used in address code,can set three states: 0, 1, f(hang).

I

A0~Ax

Description

I/O

Pin Title

 

Pin description:

 

Compatiable product:  PT2262.

Encapsulation:  SOP20/DIP18.

 

Other industrial remote control.

House security ststem,

Toys remote control,

Car security system,

Application:

 

LX2262 is a integrated encode circuit special in wireless or infrared remote control matching with LX2272. By using the CMOS Technological manufacturing, it most greatly has 12 bites three condition address base pins,and may support about 531441 addresses codes, therefore reduce the probability of repetition effectively.

Brief introduction:

   

LX2262 is a integrated circuit special in wireless or infrared remote control matching with LX2272.