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Product Detailed Parameters
- Description：32-TAP, NVM LINEAR-TAPER DIGIPOT
- Series：SOT-PoT™
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：32
- Resistance (Ohms)：125k
- Interface：Up/Down (U/D, CS)
- Memory Type：Non-Volatile
- Voltage - Supply：2.7V ~ 5.25V
- Features：-
- Tolerance：-
- Temperature Coefficient (Typ)：35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：TSOT-23-6
- Package / Case：SOT-23-6 Thin, TSOT-23-6
- Operating Temperature：-40°C ~ 85°C
- Resistance - Wiper (Ohms) (Typ)：600
- Grade：-
- Qualification：-
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Overview
The MAX5472EZT+T is a single-channel digital potentiometer IC featuring 32 nonvolatile taps and linear taper characteristics. It operates within a supply voltage range of 2.7 V to 5.25 V, with a typical operating current of 400 uA at 5 V. The device incorporates a 100 kOhm resistive element with a temperature coefficient of 35 PPM/C. Control is managed via a 3-wire serial interface. Packaged in a TSOT-23-6 surface-mount format, it supports an industrial temperature range from -40°C to +85°C.
Feature Summary
- Nonvolatile memory retains wiper position upon power loss
- 3-wire serial interface for control
- Linear taper resistance profile
- Single channel with 32 discrete tap positions
Applications
- Programmable gain amplifiers
- Voltage reference adjustment
- Sensor biasing networks
Procurement Notes
Verify the specific suffix (+T) against the manufacturer's datasheet to confirm tape-and-reel packaging and lead-free compliance. Confirm availability status through authorized distributors as supply levels may vary by region. Ensure the ordering part number matches the exact package type required for the PCB footprint.
Selection Notes
Select this component when nonvolatile storage of the resistance setting is required without external battery backup. The 100 kOhm value suits moderate impedance applications. Verify that the 3-wire serial protocol aligns with the host microcontroller's available GPIO or SPI pins. Consider the TSOT-23-6 package dimensions for space-constrained designs.
Part Context
This part belongs to the MAX5472 series of nonvolatile digital potentiometers. It shares functional similarities with other Maxim Integrated digital pots but is distinct in its specific 32-tap count and 3-wire interface configuration compared to parallel or I2C variants.
Replacement Considerations
Direct pin-compatible replacements within the same family include the MAX5472EUK+T (SOT-23-5 package variant). Cross-model substitution requires verification of interface compatibility and electrical parameters.
