MAX6961ATH

Display Drivers Overview

The MAX6961ATH is a graphic LED driver designed for matrix configurations supporting up to 8 digits and 8 segments, accommodating up to 64 LEDs. It operates within a voltage range of 2.7V to 3.6V with a supply current of 7.5 mA. The device features a high-speed 20MHz serial interface and provides trimmed peak segment currents of either 40mA or 20mA. It supports two-step or four-step intensity control and functions reliably across an operating temperature range of -40°C to 125°C.

Display Drivers Feature Summary

• Supports 8-digit, 8-segment display configurations with matrix capability for up to 64 LEDs
• Features a simple 4-wire serial interface for straightforward system integration
• Provides precise LED control with two-step or four-step intensity adjustment options

Display Drivers Applications

• Industrial control panels requiring precise LED matrix control
• Automotive display systems needing robust environmental performance
• General lighting systems utilizing segmented LED indicators

Display Drivers Procurement Notes

Verify the specific suffix designation when ordering, as variations such as +T indicate tape-and-reel packaging while bare part numbers may denote tube packaging. Confirm RoHS compliance status, as some listings indicate non-compliance for certain variants. Ensure the selected package matches the required thermal and mechanical constraints for the target application environment.

Display Drivers Selection Notes

Select this component when a dedicated graphic LED driver is required for small matrix displays. Consider the 2.7V to 3.6V supply requirement to ensure compatibility with low-voltage logic systems. Evaluate the 20MHz serial interface speed against system clock limitations. Verify that the available peak segment current options meet the brightness requirements of the chosen LED type.

Display Drivers Part Context

This component belongs to the Maxim Integrated family of display drivers, specifically engineered for managing complex LED matrices in space-constrained applications. It integrates necessary drive circuitry into a single IC, reducing external component count compared to discrete solutions. The device is part of a broader portfolio including similar models like the MAX6960, offering standardized interfaces and pinouts for easier design migration.

Display Drivers Replacement Considerations

The MAX6960ATH+ is a documented substitute within the same product family, offering comparable 8x8 matrix capabilities. Verify pinout compatibility and software register mapping before substitution. Ensure the replacement variant meets the specific voltage and current requirements of the existing design.

Display Drivers FAQ

What is the maximum number of LEDs supported by the MAX6961ATH?

The device supports a matrix configuration of up to 8 digits and 8 segments, allowing for a total of 64 LEDs.

Does the MAX6961ATH support variable brightness control?

Yes, it features two-step or four-step intensity control options for adjusting LED brightness levels.