M5482| Datasheet

M5482, M5482B7

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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
PDIP20 (Plastic package)

DESCRIPTION The M5482 is a monolithic MOS integrated circuit produced with an N-channel silicon gate technology. 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 disFigure 2. Pin Connections
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 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 OUTPUT BIT 9 OUTPUT BIT 10 OUTPUT BIT 11 OUTPUT BIT 12 OUTPUT BIT 13 V SS OUTPUT BIT 14 OUTPUT BIT 15 DATA IN CLOCK

REV. 2 June 2004 1/10