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— IC芯片 | 连接器 | 传感器 | 被动器件 —
The MAX5481EUD+T is a 10-bit, nonvolatile, linear-taper programmable voltage divider housed in a 14-pin TSSOP package. It features an internal EEPROM that retains the wiper position during power cycles. The device operates on a single +2.7V to +5.25V supply or ±2.5V dual supplies, consuming 1.0µA max standby current. It offers 10kΩ end-to-end resistance with a nominal temperature coefficient of 35ppm/°C and a ratiometric coefficient of 5ppm/°C. Communication is handled via a pin-selectable 3-wire SPI-compatible interface or up/down digital interface, supporting data rates up to 7MHz.
Verify the suffix '+T' indicates tape-and-reel packaging when sourcing. Confirm the 'E' designation corresponds to the extended temperature range of -40°C to +85°C. Ensure the 'U' package code matches the required 14-pin TSSOP form factor for PCB layout compatibility.
Select this component for applications requiring digitally controlled voltage division with retention capabilities. Choose between SPI and up/down interfaces based on available microcontroller pins. Ensure the load impedance connected to the wiper is high to prevent nonlinear voltage drops, as the device is not intended for significant wiper current flow.
This part belongs to the MAX5481–MAX5484 family of 10-bit nonvolatile digital potentiometers. The MAX5481 variant specifically functions as a 3-terminal voltage divider with 10kΩ resistance. Other family members include the MAX5482 (50kΩ divider), MAX5483 (10kΩ variable resistor), and MAX5484 (50kΩ variable resistor).
Direct functional substitutes within the same family include the MAX5482EUD+T for higher resistance requirements. For variable resistor configurations, consider the MAX5483EUD+T. Verify package compatibility if replacing with other series members.