LTC2631HTS8-HZ10#TRPBF

Overview

The LTC2631HTS8-HZ10#TRPBF is a single-channel, 10-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. Key specifications include a maximum integral nonlinearity (INL) error of ±1 LSB, a typical settling time of 4.2µs at ±1 LSB for 10-bit resolution, and guaranteed monotonicity over the operating temperature range of –40°C to 125°C. The part incorporates a power-on reset circuit configured to clear the output to zero-scale upon initialization.

Feature Summary

• 10-Bit Resolution with ±1 LSB Maximum INL Error
• Integrated 4.096V Reference with 10ppm/°C Temperature Coefficient
• I²C Interface Supporting 400kHz Fast Mode
• Power-On Reset to Zero-Scale Output
• Guaranteed Monotonic Operation from –40°C to 125°C

Applications

• Process Control and Industrial Automation
• Portable Battery-Powered Equipment
• Automotive Systems
• Automatic Test Equipment

Procurement Notes

Verify the H-grade temperature rating (-40°C to 125°C) and the specific Z suffix indicating power-on reset to zero-scale. Confirm the TRPBF suffix denotes tape and reel packaging with lead-free composition. Ensure the 4.5V minimum supply voltage requirement aligns with the system design constraints.

Selection Notes

Select this component when a 4.096V full-scale output is required with high accuracy in a compact TSOT-23 package. The H-grade variant is necessary for automotive or wide-temperature industrial applications. Compare against the L-grade if a lower 2.7V supply and 2.5V output are sufficient, or against the M-suffix parts if mid-scale reset is preferred.

Part Context

This part belongs to the LTC2631 family of single-channel DACs available in 8-, 10-, and 12-bit resolutions. The 'H' designation specifies the automotive temperature grade, while 'Z' indicates the zero-scale power-on reset option. It is distinct from the LTC2631CTS8-HZ10#TRMPBF which shares similar electrical characteristics but may differ in packaging quantity or specific manufacturing lot attributes defined by the distributor suffix.

Replacement Considerations

Direct pin-compatible substitutes within the same family include the LTC2631HTS8-LZ10#TRPBF (2.5V full-scale) or LTC2631HTS8-HM10#TRPBF (mid-scale reset). Verify that the alternative part's supply voltage range and reset behavior meet the application requirements before substitution.