MAX7221 8-Digit LED Display SMD Driver IC
Specification:-
- 10MHz Serial Interface
- Individual LED Segment Control
- Decode/No-Decode Digit Selection
- 150µA Low-Power Shutdown (Data Retained)
- Digital and Analog Brightness Control
SKU: RG8524A
MAX7221 8-Digit LED Display SMD Driver IC
The MAX7221 is a compact and efficient 8-digit LED display driver IC available in a Surface-Mount Device (SMD) package, designed to simplify the control of numeric or alphanumeric LED displays. This versatile IC integrates all the necessary circuitry to drive up to 64 individual LEDs (8 digits with 7 segments plus a decimal point) using a multiplexing technique, significantly reducing the number of required microcontroller pins. The MAX7221 communicates via an SPI-compatible 3-wire serial interface, allowing seamless integration with most microcontrollers and microprocessors. It supports daisy-chaining, enabling multiple ICs to be connected for driving larger displays. With an on-chip BCD decoder, digit drivers, and a segment driver, the IC simplifies implementation by offloading the display management from the microcontroller. This IC includes features such as adjustable brightness control through an external resistor, low-power shutdown mode, and support for both static and dynamic operations. It also incorporates built-in protections such as short-circuit protection and overcurrent limiting, ensuring reliable performance in demanding environments.
Features:-
- 24-Pin SO Package
- Low power consumption
- Display Blanked on Power-Up
- Drive Common-Cathode LED Display
- Slew-Rate Limited Segment Drivers for Lower EMI
