SM5021 데이터 시트보기 (PDF) - Advanced Analogic Technologies

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SM5021

ENCODER

Advanced Analogic Technologies 

三合微科股份有限公司

SAMHOP Microelectronics Corp.

SM5021

ENCODER

GENERAL DESCRIPTION

The SM5021A/B is a high performance

infrared remote control encoder utilizing

CMOS technology. Mode A is a signal-key

control and mode B is a multi-key control

during data transmission, supports eight data

key inputs and a LED output to indicate the

status during transmission.

Auto power off function when key is not

pressed to save power, custom codes to

distinguish different products. SM5021

encoder is paired with SM5032 decoder for

more data control applications.

FEATURES

* Wide operation voltage range, 2.4V to 6V

* Eight data key control

* Option of signal-key or multi-key control

* Two custom codes to separate products

* Auto power off for saving power

* LED output to indicate transmission status

* Direct infrared LED 38KHz modulation output

* Low power consumption

* Paired with SM5032 decoder

* 16 pin DIP or SO package

APPLICATIONS

* SM3015 Fan Remote Control

* Audio Remote Control

* Toy Remote Control

* Consumer Products Remote Control

PIN ASSIGNMENT (TOP VIEW)

C1

1

C2

2

K1

3

K2

4

K3

5

K4

6

K5

7

Vss

8

16 VDD

15 DOUT

14 LEDO

13 OSC2

12 OSC1

11 K8

10 K7

9 K6

SM5021A/B

Page 1

V.2.0 Mar 8,2002

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