M5482 datasheet(1/10 Pages) STMICROELECTRONICS

Numer części	M5482

Szczegółowy opis	LED DISPLAY DRIVER

PDF	10 Pages

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Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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June 2004

M5482

LED DISPLAY DRIVER

REV. 2

FEATURES SUMMARY

■ 2 DIGIT LED DRIVER (15 segments)

■ CURRENT GENERATOR OUTPUTS (no

resistor required)

■ CONTINUOUS BRIGHTNESS CONTROL

■ SERIAL DATA INPUT

■ WIDE SUPPLY VOLTAGE OPERATION

■ TTL COMPATIBILITY

APPLICATION EXAMPLES

■ MICROPROCESSOR DISPLAYS

■ INDUSTRIAL CONTROL INDICATOR

■ RELAY DRIVER

■ INSTRUMENTATION READOUTS

DESCRIPTION

The M5482 is a monolithic MOS integrated circuit

produced with an N-channel silicon gate technolo-

gy. It utilizes the M5451 die packaged in a 20-pin

plastic package copper frame, making it ideal for a

2-digit display. A single pin controls the LED dis-

play brightness by setting a reference current

through a variable resistor connected either to

VDD or to a separate supply of 13.2V maximum.

Figure 1. Package

Figure 2. Pin Connections

PDIP20

(Plastic package)

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

OUTPUT BIT 8

OUTPUT BIT 7

OUTPUT BIT 6

OUTPUT BIT 5

OUTPUT BIT 4

OUTPUT BIT 3

OUTPUT BIT 2

OUTPUT BIT 1

BRIGHTNESS CONTROL

V

DD

V

SS

OUTPUT BIT 9

OUTPUT BIT 10

OUTPUT BIT 11

OUTPUT BIT 12

OUTPUT BIT 13

OUTPUT BIT 14

OUTPUT BIT 15

DATA IN

CLOCK

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