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MAX5389：Dual, 256-Tap, Volatile, Low-Voltage Linear Taper Digital Potentiometer

Dual, 256-Step, Up/Down Interface Digital Potentiometer with a 2.6V Supply

The MAX5389 dual, 256-tap, volatile, low-voltage linear taper digital potentiometer offers three end-to-end resistance values of 10kΩ, 50kΩ, and 100kΩ. Operating from a single +2.6V to +5.5V power supply, the device provides a low 35ppm/°C end-to-end temperature coefficient. The MAX5389 features an up/down interface. The small package size, low supply operating voltage, low supply current, and automotive temperature range of the MAX5389 make the device uniquely suited for the portable consumer market and battery backup industrial applications. The MAX5389 is specified over the automotive -40°C to +125°C temperature range and is available in a 14-pin TSSOP package.

Key Features Dual, 256-Tap Linear Taper Positions Single +2.6V to +5.5V Supply Operation Low (< 1µA) Quiescent Supply Current 10kΩ, 50kΩ, 100kΩ End-to-End Resistance Values Up/Down Interface Power-On Sets Wiper to Midscale -40°C to +125°C Operating Temperature Range

MAX5389: Functional Diagram Applications/Uses Adjustable Voltage References/Linear Regulators Audio Mixing Low-Drift Programmable Filters and Amplifiers Low-Voltage Battery Applications Mechanical Potentiometer Replacement Programmable Delays and Time Constants

DataSheet

Parametrics

Design kits & evaluation modules

• MAX5389EVKIT

Quality and Environmental Data

• MAX5389.pdf

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