MAX7219 Datasheet 8-Digit LED Display Drivers

Manufacturer: Maxim Integrated (now Analog Devices)

MAX7219 8-digit led display drivers by Maxim Integrated (now Analog Devices) - Datasheet Preview

Datasheet Details

Part number	MAX7219
Manufacturer	Maxim Integrated (now Analog Devices)
File Size	1.32 MB
Description	8-Digit LED Display Drivers
Download	MAX7219 Download (PDF)

General Description

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.

Overview

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Key Features

10MHz Serial Interface.
Individual LED Segment Control.
Decode/No-Decode Digit Selection.
150μA Low-Power Shutdown (Data Retained).
Digital and Analog Brightness Control.
Display Blanked on Power-Up.
Drive Common-Cathode LED Display.
Slew-Rate Limited Segment Drivers for Lower EMI (MAX7221).
SPI, QSPI,.

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