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Product Detailed Parameters
- Description：IC DGTL POT 10KOHM 32TAP 8UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：32
- Resistance (Ohms)：10k
- Interface：Up/Down (U/D, CS)
- Memory Type：Non-Volatile
- Voltage - Supply：2.7V ~ 5.5V
- Features：-
- Tolerance：±25%
- Temperature Coefficient (Typ)：35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：8-uMAX/uSOP
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Operating Temperature：-40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ)：100
- Grade：-
- Qualification：-
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Overview
The MAX5429EUA+T is a linear-taper digital potentiometer with a 10kΩ end-to-end resistance and 32 tap positions. It operates on a single 2.7V to 5.5V supply with a maximum static current of 1.5µA. The device features an optional one-time programmable (OTP) function that allows setting the power-on reset wiper position or locking the interface. It utilizes a simple 2-wire serial interface for control and is available in an 8-pin µMAX package, guaranteed over the -40°C to +85°C temperature range.
Feature Summary
- One-Time Programmable (OTP) feature for user-defined power-on reset position or permanent interface lockout
- 32 tap positions with 10kΩ end-to-end resistance and ±1 LSB INL/DNL
- Ultra-low 1.5µA maximum static supply current
- Simple 2-wire serial interface (CS, U/D) for wiper adjustment
Applications
- Mechanical potentiometer replacement
- Products requiring one-time factory calibration
- Battery-powered systems due to low quiescent current
Procurement Notes
Verify component authenticity through authorized distributors or manufacturer channels. Confirm the presence of the '+' suffix indicating lead-free compliance. Check for RoHS certification documentation. Ensure the ordering suffix matches the required package type (EUA for µMAX). Validate lot codes against current manufacturing data sheets.
Selection Notes
Select the MAX5429EUA+T when a 10kΩ resistance value is required. Choose this model over MAX5427 (100kΩ) or MAX5428 (50kΩ) based on specific circuit impedance needs. The EUA suffix denotes the 8-pin µMAX package; use ETA for Thin QFN. Consider the OTP capability if fixed post-calibration settings are necessary.
Part Context
The MAX5429 is part of the MAX5427/MAX5428/MAX5429 family of one-time programmable, linear-taper digital potentiometers. These devices replace mechanical potentiometers using a digital interface. The family shares identical pinouts and functionality, differing only in end-to-end resistance values: 100kΩ (MAX5427), 50kΩ (MAX5428), and 10kΩ (MAX5429).
Replacement Considerations
Direct functional substitutes within the same family include MAX5427EUA+T and MAX5428EUA+T, provided the resistance difference is acceptable for the application.
