LTC2633HTS8-HZ8#TRPBF

Overview

The LTC2633HTS8-HZ8#TRPBF is a dual 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, housed in an 8-lead TSOT-23 package. It features an integrated precision reference with a full-scale output of 4.096V and operates on a single 4.5V to 5.5V supply. The device 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 ±1.5 LSB, rail-to-rail output buffers, and guaranteed monotonicity over the –40°C to 125°C temperature range. Power-on reset defaults to zero-scale.

Feature Summary

• Dual 12-bit resolution with integrated 4.096V precision reference
• Maximum INL error of ±1.5 LSB for high accuracy
• I²C interface with selectable standard or fast mode clock rates
• Power-on reset to zero-scale for consistent initialization

Applications

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

Procurement Notes

Verify the specific suffix #TRPBF indicates a tape and reel packaging configuration containing 2,500 pieces. Confirm that the H-grade designation corresponds to the automotive temperature range of –40°C to 125°C. Ensure the ordering code matches the required power-on reset behavior and internal reference voltage specifications before procurement.

Selection Notes

Select this component when a dual-channel DAC with high linearity (±1.5 LSB INL) and an integrated 4.096V reference is required. It is suitable for designs needing a small 8-lead TSOT-23 footprint and operation within a 4.5V to 5.5V supply range. Consider alternative grades if a lower cost option with ±2.5 LSB INL or a different power-on reset state is acceptable.

Part Context

This part belongs to the LTC2633 family of dual DACs, which also includes variants with 10-bit and 8-bit resolutions, as well as options for a 2.5V full-scale output. The 'A' grade denotes the higher accuracy specification compared to the standard grade. The 'H' suffix specifies the extended temperature range, while 'Z' defines the zero-scale power-on reset behavior.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing I²C address configurations and supply voltage requirements when considering alternative devices.