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MAX7219 SOP-24 LED Display Driver IC
It is a serial interface LED driver IC used for 8-digit LED displays. It is used to connect microprocessors to 7-segment LED displays, bar graph displays, or 64 individual LEDs.
Technical Specifications
| Supply Voltage | 4.0 V to 5.5 V (V+ = 5 V ±10%) |
|---|---|
| Current Consumption (Operating Mode) | 20 mA (typical) |
| Current Consumption (Low Power Mode) | 150 µA (maximum) |
| Segment Driver Current (Minimum) | 5 mA (segment off, VSEG = 0.3 V) |
| Segment Current Matching | 3.0% (typical, V+ = 5 V ±10%) |
| Interface | 4-wire serial interface (up to 10 MHz) |
| Features | BCD code-B decoder; multiplex scan circuitry; segment and digit drivers; 8x8 static RAM that stores each digit; individual digit control; code-B decoding selection; analog and digital brightness control; display off on power-up; compatible with common cathode LED displays |
| Applications | Bar graph displays; industrial controllers; panel meters; LED matrix displays; digital clocks; counters; thermometers |
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