MCP47FEB28T-20E/ST

Digital To Analog Converters Overview

The MCP47FEB28T-20E/ST is an octal-channel, 12-bit Digital-to-Analog Converter (DAC) manufactured by Microchip Technology. It features buffered voltage outputs and nonvolatile EEPROM memory for data retention. The device operates on a supply voltage ranging from 2.7V to 5.5V with full specifications, or 1.8V to 2.7V with reduced analog performance. It utilizes an I²C interface supporting Standard (100 kbps), Fast (400 kbps), High-Speed (1.7 Mbps), and up to 3.4 Mbps modes. Key electrical parameters include a typical settling time of 7.8 µs, a maximum Integral Nonlinearity (INL) of ±6 LSB, and a maximum Differential Nonlinearity (DNL) of ±1 LSB at 12-bit resolution.

Digital To Analog Converters Feature Summary

• Integrates eight independent buffered voltage output channels within a single package.
• Includes nonvolatile EEPROM memory that automatically recalls DAC register settings and device configuration upon power-up.
• Supports WiperLock™ functionality via high-voltage commands to prevent inadvertent changes to stored output values.
• Offers flexible voltage reference options including internal band gap, external VREF pin, or device VDD.

Digital To Analog Converters Applications

• Set point or offset trimming in industrial control systems
• Sensor calibration requiring multi-channel precision
• Low-power portable instrumentation
• Data acquisition systems
• Motor control applications

Digital To Analog Converters Procurement Notes

Verify the specific ordering suffix 'T' indicates tape-and-reel packaging rather than tube packaging when sourcing components. Confirm the '20E' designation corresponds to the TSSOP-20 package type and extended temperature range. Ensure compatibility with the host controller's I²C address configuration, as the device supports user-programmable addresses alongside predefined options.

Digital To Analog Converters Selection Notes

Select this component for designs requiring multiple isolated analog outputs without external multiplexing. The 12-bit resolution provides 4096 steps suitable for moderate precision requirements. Consider the octal channel count against board space constraints. Verify that the system voltage falls within the 2.7V to 5.5V range for optimal performance, or adjust expectations if operating between 1.8V and 2.7V.

Digital To Analog Converters Part Context

This part belongs to the MCP47FXBX4/8 family, which includes quad and octal configurations with volatile RAM or nonvolatile EEPROM options. The 'FEB' prefix specifically denotes the 12-bit resolution with EEPROM storage. The 'T' suffix distinguishes it from tube-packaged variants like the MCP47FEB28-20E/ST, indicating reel-based manufacturing for automated assembly processes.

Digital To Analog Converters Replacement Considerations

MCP47FEB28-20E/ST: Identical functional specifications but differs in packaging format (tube vs. tape-and-reel). MCP47FVB28-20E/ST: Volatile RAM version lacking nonvolatile memory retention capabilities. MCP47FEB18-20E/ST: 10-bit resolution variant with lower step count.