DS1801E-014+T&R

Digital Potentiometers Overview

The DS1801E-014+T&R is a dual audio taper digital potentiometer from Analog Devices/Maxim Integrated, housed in a 14-pin TSSOP package. It features two independent 65-position wipers with logarithmic resistive characteristics (1 dB per step) and a dedicated mute position. The device operates on a 3-wire serial interface for setting and reading wiper positions. Electrical specifications include a supply voltage range of 2.7V to 5.5V, a typical standby current of 50µA at 5V, and an operating temperature range of -40°C to +85°C.

Digital Potentiometers Feature Summary

• Dual 65-position potentiometers with logarithmic (audio) taper and software mute capability
• 3-wire serial interface (RST, CLK, D) allows read/write access to wiper positions
• Zero-crossing detection minimizes audible noise during wiper transitions
• Daisy-chainable architecture via Cascade Output (COUT) pin

Digital Potentiometers Applications

• Audio volume control circuits requiring logarithmic response
• Multi-channel audio mixing systems utilizing daisy-chaining
• Low-power portable audio devices powered by 3V or 5V supplies

Digital Potentiometers Procurement Notes

Verify the specific suffix '+T&R' indicates tape and reel packaging against official manufacturer documentation. Confirm the 'E' suffix corresponds to the 14-pin TSSOP package variant as defined in the ordering information table. Ensure compatibility with industrial temperature ranges (-40°C to +85°C) required for the application environment.

Digital Potentiometers Selection Notes

Select this component when dual independent audio-taper control is needed within a single package. The 65-position resolution provides 1dB steps suitable for human hearing perception. Consider the 3-wire interface requirements versus I2C alternatives if pin count is constrained. Verify that the 45kΩ resistance value aligns with the target circuit impedance requirements.

Digital Potentiometers Part Context

This part belongs to the DS1801 family of dual audio taper potentiometers. The base model DS1801 is available in 14-pin PDIP, 14-pin TSSOP, and 16-pin SOIC packages. The DS1801E specifically denotes the surface-mount TSSOP version. All variants share identical electrical characteristics and functionality, differing only in physical footprint and mounting style.

Digital Potentiometers Replacement Considerations

Direct pin-compatible replacements within the same series include DS1801S (16-pin SOIC) and DS1801 (14-pin PDIP). Cross-family replacements such as the DS1807 offer similar functionality but utilize an I2C interface instead of the 3-wire serial protocol, requiring schematic modifications.