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Product Detailed Parameters
- Description：IC DGT POT 100KOHM 32TP TSOT23-6
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：32
- Resistance (Ohms)：100k
- 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)：-
- Grade：-
- Qualification：-
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Overview
The MAX5472EZT+T is a single-channel, nonvolatile linear-taper digital potentiometer featuring 32 wiper positions and a 100kΩ end-to-end resistance. It operates on a single supply voltage ranging from +2.7V to +5.25V with a maximum static supply current of 1µA. The device utilizes a 3-wire serial interface (CS, U/D, INC) for control and includes EEPROM to retain the wiper position upon power-up. Packaged in a compact SOT-23-6 surface-mount format, it provides a mechanical potentiometer replacement with low temperature coefficients.
Feature Summary
- Nonvolatile memory stores wiper position for recall at power-up
- 3-wire serial interface (CS, U/D, INC) for digital control
- Single-supply operation from 2.7V to 5.25V
- SOT-23-6 package with 100kΩ end-to-end resistance
Applications
- Mechanical potentiometer replacement
- Liquid-Crystal-Display (LCD) screen adjustment
- Audio volume control
- Programmable filters
Procurement Notes
Verify component authenticity through authorized Analog Devices or Maxim Integrated distributors. Confirm RoHS compliance status via official documentation. Ensure storage conditions adhere to specified limits to maintain nonvolatile memory integrity. Validate pinout compatibility with existing PCB footprints prior to integration.
Selection Notes
Select this model for applications requiring a variable resistor configuration with 100kΩ total resistance. The SOT-23-6 package is suitable for space-constrained designs. Ensure the system operates within the -40°C to +85°C temperature range. Verify that the 3-wire interface logic levels are compatible with the host microcontroller.
Part Context
This component belongs to the MAX547x family of 32-tap nonvolatile digital potentiometers. It shares functional similarities with the MAX5471, MAX5474, and MAX5475, differing primarily in resistance value and terminal configuration. The MAX5472 specifically offers a 100kΩ resistance in a 6-pin SOT-23 package, functioning as a two-terminal variable resistor.
Replacement Considerations
Direct replacements include the MAX5471 (50kΩ), MAX5474 (50kΩ, 3-terminal), and MAX5475 (100kΩ, 3-terminal). When substituting, verify resistance values and terminal availability. The MAX5474/MAX5475 require an 8-pin SOT-23 package, necessitating PCB layout adjustments compared to the 6-pin MAX5472.
FAQ
How is the wiper position stored in nonvolatile memory?
The wiper position is stored when the Chip Select (CS) input transitions from low to high while the Increment (INC) input is high.
What is the maximum continuous current into the H, L, and W terminals?
For the MAX5472, the maximum continuous current into the H, L, and W terminals is ±0.6mA.
Does the device support voltage-divider mode?
No, the MAX5472 is configured as a variable resistor with the wiper internally connected to the high terminal. Voltage-divider mode is available in the 3-terminal MAX5474 and MAX5475 variants.
