Led Driver Matriz De Led Max7219 Spi Sop24 Itytarg

09968

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Cod: GAW / ISCS

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Attributes
Attributes Table
Display Mode 7-Segment
No of Digits 8
Output Current 320mA
Supply Voltage 4V to 5.5V
Multiplexed Display Capability Yes
Operating Temp Range 0°C to 70°C
No of Outputs Sixteen
No of Pins 24
Segments Count 64

The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs.

The MAX7221 is compatible with SPI™, QSPI™, and MICROWIRE™, and has slewrate-limited segment drivers to reduce EMI. A convenient 4-wire serial interface connects to all common µPs. Individual digits may be addressed and updated without rewriting the entire display.

The MAX7219/MAX7221 also allow the user to select codeB decoding or no-decode for each digit. The devices include a 150µA low-power shutdown mode, analog and digital brightness control, a scanlimit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on. For applications requiring 3V operation or segment blinking, refer to the MAX6951 data sheet.

Datasheet de referencia

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