LTC2631HTS8-HM8#TRMPBF

Overview

The LTC2631HTS8-HM8#TRMPBF is a single 8-bit voltage-output digital-to-analog converter (DAC) from Analog Devices Inc. It features an integrated precision reference with a full-scale output of 4.096V and operates within a supply voltage range of 4.5V to 5.5V. The device utilizes a 2-wire I²C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. It includes a power-on reset circuit configured to set the output to mid-scale upon initialization. The component is housed in an 8-lead TSOT-23 package and is guaranteed monotonic over the automotive temperature range of –40°C to 125°C.

Feature Summary

• Integrated 4.096V precision reference with ±10ppm/°C temperature coefficient
• I²C interface with selectable addresses and power-on reset to mid-scale
• Rail-to-rail buffered output guaranteed monotonic over temperature
• Automotive grade operation from –40°C to 125°C

Applications

• Mobile communications
• Process control and industrial automation
• Automatic test equipment
• Portable equipment
• Automotive systems
• Optical networking

Procurement Notes

Verify the specific ordering suffix #TRMPBF indicates a 500-unit tape and reel configuration as defined in the manufacturer documentation. Confirm that the H-grade designation matches the required automotive temperature range of –40°C to 125°C for the target application environment. Ensure the supply voltage meets the minimum 4.5V requirement for the HM variant.

Selection Notes

Select this part when a 4.096V full-scale output is required with mid-scale initialization. The H-grade temperature rating is necessary for automotive or high-thermal environments. Verify that the system supply voltage remains between 4.5V and 5.5V, as lower voltages are not supported by the internal reference architecture of the LTC2631-H series.

Part Context

This component belongs to the LTC2631 family of single-channel DACs available in 8-, 10-, and 12-bit resolutions. The 'H' suffix denotes the automotive temperature grade, while 'M' specifies the mid-scale power-on reset behavior. The 'TS8' indicates the 8-lead ThinSOT package type. Other variants include the LTC2631-L series for 2.5V outputs and the LTC2631-Z series for zero-scale reset options.

Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source material.