MCP48CMB01-E/UN

Overview

The MCP48CMB01-E/UN is a single-channel, 8-bit Digital-to-Analog Converter (DAC) featuring Multi-Time Programmable (MTP) nonvolatile memory and an SPI serial interface. It operates within a supply voltage range of 2.7V to 5.5V for full specifications, or 1.8V to 2.7V with reduced analog performance. The device provides buffered voltage outputs with selectable reference sources including VDD, external VREF, or an internal band gap. Key electrical parameters include a typical settling time of 16 µs, a maximum SPI write speed of 50 MHz, and an operating temperature range from -40°C to +125°C.

Feature Summary

• Integrates MTP nonvolatile memory allowing user programming up to 32 times per location for persistent configuration and output values.
• Supports flexible voltage reference selection among device VDD, external VREF pin, or internal band gap source.
• Features a four-wire SPI-compatible serial interface supporting high-speed write operations up to 50 MHz.
• Includes power-down modes that disconnect the output buffer or select specific pull-down resistor values.

Applications

• Set point or offset trimming in industrial control systems
• Sensor calibration requiring persistent configuration storage
• Low-power portable instrumentation
• PC peripherals and data acquisition systems

Procurement Notes

Verify the exact ordering suffix against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure the design supports the required high-voltage level on the LAT/HVC pin for MTP programming cycles. Confirm compatibility with the system's SPI clock speeds and voltage levels before integration.

Selection Notes

Select this component when a single-channel DAC with nonvolatile memory retention is required. Choose between volatile (CVB) or nonvolatile (CMB) variants based on power-up state requirements. Verify that the 8-bit resolution meets the application's precision needs and that the MSOP-10 package fits the board layout constraints.

Part Context

This part belongs to the MCP48CXBXX family of 8, 10, and 12-bit DACs. It shares the same core architecture and interface as other members like the MCP48CMB02 (dual channel) or MCP48CMB11 (10-bit). The 'E' suffix indicates extended temperature range operation, while '/UN' specifies the MSOP-10 package.

Replacement Considerations

Direct substitutes within the same family include MCP48CMB01T-E/UN (tape and reel packaging) or MCP48CMB01-E/ML (QFN package). For dual-channel applications, consider the MCP48CMB02 series. Volatile alternatives are available in the MCP48CVB01 series if nonvolatile storage is not needed.