LTC2635HMSE-HMI10#TRPBF

Overview

The LTC2635HMSE-HMI10#TRPBF is a quad 10-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference with a full-scale output of 4.096V and operates from a single 4.5V to 5.5V supply. The device includes rail-to-rail output buffers, guaranteed monotonicity over the –40°C to 125°C automotive temperature range, and communicates via a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. Key specifications include a maximum integral nonlinearity error of ±1 LSB, low noise of 0.75mVP-P (0.1Hz to 200kHz), and double-buffered data latches.

Feature Summary

• Quad 10-bit resolution with integrated 4.096V precision reference
• Automotive temperature grade (-40°C to 125°C)
• I²C-compatible serial interface with selectable slave addresses
• Rail-to-rail output buffers and guaranteed monotonicity

Applications

• Process control and industrial automation
• Power supply margining
• Portable equipment
• Automotive systems

Procurement Notes

Verify that the H suffix confirms the automotive temperature range and 4.096V full-scale output. Confirm the MSE package designation matches the required 10-lead MSOP form factor. Ensure the TRPBF suffix indicates tape-and-reel packaging with lead-free composition. Cross-reference the specific power-on reset configuration defined by the MI suffix against system startup requirements.

Selection Notes

Select this part for applications requiring four independent DAC channels in a compact surface-mount package. The 4.096V internal reference eliminates the need for external components while maintaining high accuracy. Verify that the supply voltage remains within the 4.5V to 5.5V range to ensure specified performance. Consider the I²C address pin configurations if multiple devices are used on the same bus.

Part Context

This component belongs to the LTC2635 family, which offers 8-, 10-, and 12-bit resolutions. The HMSE variant specifically denotes the H-grade automotive temperature rating, MSE 10-lead MSOP package, and mid-scale power-on reset behavior. Other variants in the series include L-grade commercial options and different reset configurations such as zero-scale or high-impedance states.

Replacement Considerations

Direct substitutes within the same family include other LTC2635 variants with different resolutions or reset behaviors, provided the electrical parameters meet the design requirements. For SPI-based interfaces, consider the LTC2634 family instead.