MAX5411EEE+

Overview

The MAX5411EEE+ is a dual, logarithmic taper digital potentiometer featuring two wipers per resistor. It replaces mechanical components in audio circuits with digitally controlled resistance. The device operates on a single +4.5V to +5.5V supply and utilizes an SPI-compatible serial interface for control. Each potentiometer offers 32 tap positions with a fixed end-to-end resistance of 10kΩ. Key features include zero-crossing detection to minimize audible switching noise, a mute function providing -90dB attenuation, and low standby current consumption.

Feature Summary

• Dual potentiometers with two wipers each (W0A/W0B, W1A/W1B) and 32-tap resolution
• Logarithmic taper optimized for audio applications with 2dB step increments
• Zero-crossing detection circuitry eliminates clicks and pops during wiper transitions
• Integrated mute function achieving -90dB signal attenuation

Applications

• Stereo volume control systems
• Fading and balancing stereo signals
• Replacement for mechanical potentiometers in audio equipment

Procurement Notes

Verify the specific suffix EEE+ corresponds to the 16-pin QSOP package variant. Confirm that the operating voltage range aligns with the +4.5V to +5.5V specification required for the MAX5411 model. Ensure compatibility with the SPI serial interface timing requirements before integration.

Selection Notes

Select this component when dual-channel audio attenuation with independent rear-fade capability is required. The MAX5411 differs from the MAX5410 by providing two wipers per resistor instead of one. Verify that the system logic voltage supports the VLOGIC input range of 2.7V to 5.5V while maintaining the analog supply within the specified limits.

Part Context

This part belongs to the MAX5408–MAX5411 family of dual, audio, log taper digital potentiometers. The MAX5411 specifically designates the variant with two wipers per resistor, distinguishing it from the single-wiper MAX5410. All members share identical electrical characteristics and packaging options.

Replacement Considerations

The MAX5410 serves as a functional substitute if only one wiper per resistor is needed. For non-logarithmic requirements, consider the MAX5400 series. Verify pinout compatibility when substituting with other Maxim digital potentiometers.