MAX5391NATE+T

$1.69

Description：IC DGT POT 100KOHM 256TAP 16TQFN
Series：-

SKU:ae7949eecd48 Category: Digital Potentiometers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC DGT POT 100KOHM 256TAP 16TQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR)
Taper：Linear
Configuration：Potentiometer
Number of Circuits：2
Number of Taps：256
Resistance (Ohms)：100k
Interface：SPI
Memory Type：Volatile
Voltage - Supply：1.7V ~ 5.5V
Features：-
Tolerance：±25%
Temperature Coefficient (Typ)：35ppm/°C
Mounting Type：Surface Mount
Supplier Device Package：16-TQFN (3x3)
Package / Case：16-WFQFN Exposed Pad
Operating Temperature：-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ)：200 (Max)
Grade：-
Qualification：-

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MAX5391NATE+T

Overview

The MAX5391NATE+T is a dual 256-tap volatile digital potentiometer from Analog Devices/Maxim Integrated, housed in a 16-pin TQFN-EP package. It provides two independent voltage dividers with an end-to-end resistance of 100kΩ and operates on a single +1.7V to +5.5V supply. The device features an SPI-compatible interface for wiper control and includes an internal charge pump that maintains a maximum wiper resistance below 200Ω at low voltages. Key electrical parameters include a 35ppm/°C temperature coefficient, ±25% resistor tolerance, and a quiescent supply current of 12μA at 1.7V.

Feature Summary

Dual 256-Tap Linear Taper Positions
Single +1.7V to +5.5V Supply Operation
Low 12μA Quiescent Supply Current
SPI-Compatible Interface

Applications

Low-Voltage Battery Applications
Portable Electronics
Mechanical Potentiometer Replacement
Offset and Gain Control
Adjustable Voltage References/Linear Regulators

Procurement Notes

Verify the component status as the datasheet revision history indicates automotive references were removed in October 2014. Confirm the specific ordering suffix matches the required package type (TQFN-EP) and resistance value (100kΩ). Ensure compliance with RoHS standards by checking for the '+' designation in the part number.

Selection Notes

Select this component when a dual-channel digital potentiometer with high resistance values is required. The 100kΩ configuration supports lower bias currents compared to the 10kΩ or 50kΩ variants. Verify that the system can accommodate the volatile memory nature of the device, which resets to midscale upon power-up.

Part Context

This part belongs to the MAX5391/MAX5393 family of low-voltage linear taper digital potentiometers. The MAX5391 variant specifically utilizes a 16-pin TQFN-EP package, whereas the MAX5393 uses a 14-pin TSSOP package. Both share identical electrical characteristics but differ in physical footprint and pin count.