AD5116BCPZ80-RL7

Overview

The AD5116BCPZ80-RL7 is a single-channel, nonvolatile digital potentiometer featuring 64 tap positions and an 80 kΩ nominal resistance. It utilizes a push-button interface with built-in adaptive debouncing for manual control. The device operates on a 2.3 V to 5.5 V supply and includes EEPROM memory to retain the wiper position across power cycles. Key electrical characteristics include ±8% resistor tolerance, a rheostat mode temperature coefficient of 35 ppm/°C, and a maximum wiper current of ±1.5 mA for the 80 kΩ variant. It is housed in an 8-lead LFCSP package.

Feature Summary

• Nonvolatile EEPROM storage retains wiper position after power loss
• Push-button interface with adaptive debouncer (8 ms debounce time)
• ±8% maximum nominal resistor tolerance
• Low power consumption: 2.5 µA max at 2.7 V and 125°C

Applications

• Mechanical potentiometer replacement
• Audio volume control
• LCD panel brightness and contrast control
• Sensor calibration

Procurement Notes

Verify the specific resistance value suffix in the part number against the ordering guide, as the AD5116 family is available in 5 kΩ, 10 kΩ, and 80 kΩ variants. Confirm that the 'RL7' suffix corresponds to the reel packaging format specified by Analog Devices. Ensure the component meets RoHS compliance requirements for the target assembly process.

Selection Notes

Select this component when a simple manual adjustment interface is required without external microcontrollers. The 80 kΩ version supports a maximum continuous current of ±1.5 mA; ensure the application load does not exceed this limit. The device requires an external pull-up or pull-down resistor on the ASE pin to configure automatic save functionality.

Part Context

The AD5116 belongs to the Analog Devices DigiPOT family designed for low-resolution adjustment tasks. Unlike I2C or SPI-based models, it relies on direct hardware inputs (PU/PD) for operation. The 80 kΩ option offers higher impedance suitable for voltage divider applications where lower current draw is preferred over high bandwidth.

Replacement Considerations

Direct functional replacements within the same family include AD5110 (I2C), AD5111 (Up/down), AD5112 (I2C), AD5113 (Up/down), AD5114 (I2C), and AD5115 (Up/down). Note that these alternatives differ in interface type and may require significant schematic redesign.