M5482B7 Ver la hoja de datos (PDF) - STMicroelectronics

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Fabricante

M5482B7

LED DISPLAY DRIVER

STMicroelectronics 

M5482

LED DISPLAY DRIVER

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

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

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-

PDIP20

(Plastic package)

Figure 2. Pin Connections

OUTPUT BIT 8

1

OUTPUT BIT 7

2

OUTPUT BIT 6

3

OUTPUT BIT 5

4

OUTPUT BIT 4

5

OUTPUT BIT 3

6

OUTPUT BIT 2

7

OUTPUT BIT 1

8

BRIGHTNESS CONTROL

9

V DD

10

20

OUTPUT BIT 9

19

OUTPUT BIT 10

18

OUTPUT BIT 11

17

OUTPUT BIT 12

16

OUTPUT BIT 13

15

VSS

14

OUTPUT BIT 14

13

OUTPUT BIT 15

12

DATA IN

11

CLOCK

June 2004

REV. 2

1/10

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