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Product Detailed Parameters
- Description：IC DGTL POT 10KOHM 256TAP 8UMAX
- Series：µPoT
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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+T is a single-channel, nonvolatile digital potentiometer manufactured by Analog Devices Inc./Maxim Integrated. It features a resistance value of 10 kOhms with a linear taper and offers 256 tap positions for precise adjustment. The device utilizes a serial SPI interface for control and includes onboard EEPROM to retain the wiper setting during power-off conditions. Operating within a supply voltage range of 2.7 V to 5.5 V, it is housed in an 8-pin uMAX or USOP package suitable for surface-mount applications.
Feature Summary
- Nonvolatile memory retains wiper position after power loss
- 10 kOhms nominal resistance with ±25% tolerance
- 256-tap resolution for fine adjustment
- SPI-compatible serial interface
Applications
- Programmable gain amplifiers
- Voltage reference trimming
- Sensor bias adjustment
- Audio volume control
Procurement Notes
Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status as '+'. Ensure the supplier provides official datasheets matching the MAX5402 series specifications to avoid counterfeit components.
Selection Notes
Select this component when nonvolatile storage is required for single-channel applications. Compare against volatile variants like the MAX5402 if power retention is unnecessary. Verify that the 10 kOhms resistance value aligns with circuit impedance requirements and that the SPI interface matches the host controller capabilities.
Part Context
This part belongs to the MAX5402 family of µPot digital potentiometers. It shares architectural similarities with other members but is distinguished by its 10 kOhms resistance value and nonvolatile memory feature. The EUAS package variant offers a compact footprint for space-constrained designs.
Replacement Considerations
Direct substitutes include other MAX5402 variants with different resistance values (e.g., MAX5403 at 50 kOhms) or volatile versions if data retention is not critical. Cross-reference pinouts and interface protocols before substitution.
