Serially Interfaced 8 Digit SOP24 LED Display Drivers MAX7221CWG+
SOP24 LED Display Drivers
,MAX7221CWG+
,8 Digit LED Display Drivers
MAX7221CWG+ Maxim Original LED Display Drivers Serially Interfaced, 8-Digit, SOP24
Guide
MAX7219CNG
MAX7219CWG
MAX7219C/D
MAX7219ENG
MAX7219EWG
MAX7219ERG
Description
The MAX7221CWG+ is a compact, serial input/output common-cathode Display Driver that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits. 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 slew rate-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 MAX7221 also allow the user to select code-B decoding or no-decode for each digit.
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, MICROWIRE Serial Interface (MAX7221)
♦ 24-Pin DIP and SOP Packages
Application
Bar-Graph Displays
Industrial Controllers
Panel Meters
LED Matrix Displays
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