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Product Detailed Parameters
- Description：IC DGTL POT 10KOHM 256TAP 8UMAX
- Series：µPoT
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：256
- Resistance (Ohms)：10k
- Interface：SPI
- Memory Type：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)：275
- Grade：-
- Qualification：-
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Overview
The MAX5402EUA+ is a digitally programmable precision voltage divider manufactured by Analog Devices Inc./Maxim Integrated. It features a single circuit with 10 kOhms resistance and 256 taps, controlled via an SPI interface. The device operates on a supply voltage ranging from 2.7V to 5.5V and utilizes volatile memory for wiper position storage. Packaged in an 8-uMAX/uSOP surface-mount format, it supports a linear taper and functions within a temperature range of -40°C to +85°C.
Feature Summary
- 10 kOhms resistance with 256 discrete taps for precise voltage division
- SPI serial interface for digital control
- Single-channel configuration with linear taper
- Operates on 2.7V to 5.5V supply voltage
Applications
- Programmable gain amplifier circuits
- Voltage reference adjustment
- Sensor signal conditioning
- Power supply output trimming
Procurement Notes
Verify the specific suffix (e.g., T for tape and reel vs. standard tube) as packaging affects handling. Confirm RoHS compliance status through official manufacturer documentation. Check current lifecycle status to ensure availability for new designs. Validate pinout compatibility if replacing legacy components.
Selection Notes
Select this component when a low-cost, single-channel digital potentiometer is required. Ensure the system can accommodate volatile memory behavior upon power loss. Verify that the SPI bus speed and voltage levels match the controlling microcontroller. Consider the 256-tap resolution against required accuracy needs.
Part Context
This part belongs to the µPoT series of digitally programmable potentiometers. It serves as a solid-state alternative to mechanical potentiometers in applications requiring remote or automated resistance adjustment. The uMAX package provides a compact footprint for space-constrained PCB layouts.
Replacement Considerations
The MAX5402EUA+T is a variant with tape-and-reel packaging. Other members of the MAX5402 family may offer different resistance values or tap counts. Verify electrical parameters before substituting with generic digital potentiometers.
