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Product Detailed Parameters
- Description：IC DGT POT 10KOHM 256TAP 14TSSOP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：2
- Number of Taps：256
- Resistance (Ohms)：10k
- Interface：Up/Down (U/D, CS)
- Memory Type：Volatile
- Voltage - Supply：2.6V ~ 5.5V
- Features：-
- Tolerance：±25%
- Temperature Coefficient (Typ)：±35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Operating Temperature：-40°C ~ 125°C
- Resistance - Wiper (Ohms) (Typ)：250
- Grade：-
- Qualification：-
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Overview
The MAX5389LAUD+ is a dual, 256-tap, volatile, low-voltage linear taper digital potentiometer. It offers an end-to-end resistance of 10kΩ and operates from a single +2.6V to +5.5V supply. The device features a low quiescent supply current of less than 1μA and provides a temperature coefficient of 35ppm/°C. It utilizes an up/down interface for wiper control and sets the wiper to midscale upon power-on. The component is specified over an extended operating temperature range of -40°C to +125°C and is housed in a 14-pin TSSOP package.
Feature Summary
- Dual 256-Tap Linear Taper Positions
- Single +2.6V to +5.5V Supply Operation
- Low (< 1μA) Quiescent Supply Current
- Up/Down Interface with Power-On Midscale Setting
Applications
- Audio Mixing
- Mechanical Potentiometer Replacement
- Low-Drift Programmable Filters and Amplifiers
- Adjustable Voltage References/Linear Regulators
- Programmable Delays and Time Constants
Procurement Notes
Verify that the ordering suffix '+', indicating lead-free and RoHS compliance, matches the specific procurement requirement. Confirm the 'L' designation corresponds to the required 10kΩ end-to-end resistance value. Ensure the 'AUD' package code aligns with the intended 14-pin TSSOP footprint on the target PCB layout.
Selection Notes
Select this component when a dual-channel digital potentiometer with low voltage operation is required. The 10kΩ resistance value suits applications needing moderate impedance levels. Verify that the system can tolerate volatile memory behavior, as wiper positions are lost upon power loss. The automotive temperature range supports deployment in harsh environments.
Part Context
This part belongs to the MAX5389 family of dual digital potentiometers. The 'L' suffix specifies the 10kΩ resistance variant, while 'M' and 'N' denote 50kΩ and 100kΩ options respectively. All variants share identical pinouts, interfaces, and electrical characteristics, differing only in their internal resistor string values.
Replacement Considerations
Direct functional replacements within the same family include the MAX5389MAUD+ (50kΩ) and MAX5389NAUD+ (100kΩ). These parts maintain the same package and interface but offer different resistance ranges. Cross-family replacement requires verifying interface compatibility and voltage specifications.
