LTC2630HSC6-HZ8#TRPBF

Overview

The LTC2630HSC6-HZ8#TRPBF is a single-channel, 8-bit voltage-output digital-to-analog converter (DAC) housed in a 6-lead SC70 package. It features an integrated precision reference providing a full-scale output of 4.096V and operates from a single 4.5V to 5.5V supply. The device includes a rail-to-rail output buffer, guaranteed monotonicity over temperature, and a power-on reset circuit that defaults to zero-scale. Communication is handled via a simple SPI/MICROWIRE compatible 3-wire serial interface supporting clock rates up to 50MHz.

Feature Summary

• Integrated 10ppm/°C precision reference with 4.096V full-scale output
• Rail-to-rail output buffer with guaranteed monotonic operation
• Power-on reset to zero-scale for consistent system initialization
• Low power consumption: 200µA typical at 5V, down to 5µA in power-down mode

Applications

• Mobile communications systems
• Process control and industrial automation
• Automatic test equipment
• Portable battery-powered equipment
• Automotive electronic modules

Procurement Notes

Verify the specific suffix #TRMPBF or #TRPBF against the required tape and reel quantity, as the datasheet indicates distinct packaging options (e.g., 500-piece vs. 2,500-piece reels). Confirm the H-grade automotive temperature range (-40°C to 125°C) matches the target application environment. Ensure the 4.5V minimum supply voltage requirement is compatible with the system power rails.

Selection Notes

Select this part when a compact SC70 footprint is required alongside high accuracy and low drift. The HZ suffix indicates a zero-scale power-on reset, which is critical if downstream circuits must remain inactive during DAC power-up. Choose the -HZ8 variant specifically for 8-bit resolution needs where lower cost and faster settling times are prioritized over higher bit-depths.

Part Context

This component belongs to the LTC2630 family of single-channel DACs. The 'H' designation specifies the automotive temperature grade (-40°C to 125°C) and the 4.096V internal reference range. The 'Z' indicates the power-on reset behavior is set to zero-scale, while '8' denotes the 8-bit resolution. It shares the same pinout and interface as other variants in the series but differs in electrical specifications and temperature ratings.

Replacement Considerations

Direct pin-compatible replacements within the same family include LTC2630HSC6-LZ8#TRPBF (if 2.7V-5.5V supply is acceptable) or LTC2630HSC6-HM8#TRPBF (if mid-scale reset is preferred). Cross-family replacements require verification of interface compatibility and physical package dimensions.