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Product Detailed Parameters
- Description：32-TAP, NVM I2C, LINEAR, DIGIPOT
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：32
- Resistance (Ohms)：62.5k
- Interface：I2C
- 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)：610
- Grade：-
- Qualification：-
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Overview
The MAX5434NEZT-T is a single-channel digital potentiometer manufactured by Analog Devices Inc./Maxim Integrated. It features a nonvolatile memory architecture with 32 taps and a resistance value of 50 kOhms. The device operates on a linear taper and utilizes an I2C-compatible serial interface for control. Electrical specifications include a supply voltage range of 2.7 V to 5.25 V and a typical operating current of 2 uA. The component is housed in a SOT-23-6 surface-mount package and supports an industrial temperature range from -40°C to +85°C.
Feature Summary
- Nonvolatile wiper position storage retains settings during power loss
- I2C-compatible serial interface with 2-wire communication
- Single channel configuration with 32 discrete tap positions
- Low power consumption with 2 uA operating current
Applications
- Programmable gain amplifier circuits
- Voltage reference adjustment
- Sensor biasing and calibration
- Audio volume control systems
Procurement Notes
Verify the specific suffix 'NEZT' against official manufacturer documentation to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with standard I2C bus protocols before integration. Confirm that the 50 kOhm resistance tolerance meets circuit requirements.
Selection Notes
Select this component when nonvolatile adjustment is required without external EEPROMs. The 32-tap resolution suits applications needing moderate precision. Verify that the SOT-23-6 package fits the PCB layout constraints and that the 50 kOhm resistance value aligns with the target impedance network.
Part Context
This part belongs to the MAX5434 series of digital potentiometers. It shares architectural similarities with other Maxim integrated digital pots but is distinguished by its specific nonvolatile memory implementation and I2C interface. The series targets compact designs requiring adjustable resistance without mechanical components.
Replacement Considerations
Check for direct cross-reference part numbers within the MAX543x family or equivalent nonvolatile digital potentiometers from other manufacturers. Ensure pinout compatibility and identical electrical parameters such as resistance tolerance and voltage range.
