LTC2630ACSC6-HZ12

Overview

The LTC2630ACSC6-HZ12 is a single-channel, 12-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 4.5V to 5.5V supply. The device includes a rail-to-rail output buffer, guaranteed monotonicity, and double-buffered data latches. It communicates via a 3-wire SPI/MICROWIRE compatible interface with clock rates up to 50MHz. Key specifications include a maximum integral nonlinearity (INL) error of ±1 LSB for the A-grade device, a settling time of 4.8µs at 5V, and power consumption of 200µA. Power-down current is 1.8µA maximum.

Feature Summary

• Integrated 4.096V precision reference with 10ppm/°C drift
• Maximum INL error of ±1 LSB (A-grade)
• Rail-to-rail output buffer with 500pF capacitive load drive capability
• Power-on reset to zero-scale option

Applications

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

Procurement Notes

Verify the specific ordering suffix #TRMPBF indicates a 500-unit tape and reel packaging configuration. Confirm the temperature grade corresponds to the required operational range, as the 'C' suffix denotes the commercial range (0°C to 70°C). Ensure the lead finish matches project requirements, noting that parts are available in lead-free designs.

Selection Notes

Select this component when a compact 12-bit DAC with high accuracy (±1 LSB INL) is required in a minimal footprint. The H-grade internal reference sets the full-scale voltage to 4.096V, requiring a minimum supply voltage of 4.5V. Choose the 'Z' suffix if a zero-scale power-on reset state is necessary for system initialization safety.

Part Context

This part belongs to the LTC2630 family of single-channel DACs available in 12-, 10-, and 8-bit resolutions. The family shares the same 6-lead SC70 package and serial interface architecture but varies in accuracy grades (standard vs. A-grade), internal reference voltages (2.5V or 4.096V), and power-on reset behaviors (mid-scale or zero-scale).

Replacement Considerations

Direct pin-compatible replacements within the same series include LTC2630AHSC6-LZ12#TRMPBF (2.5V reference, zero-scale reset) or LTC2630AHSC6-HM12#TRMPBF (4.096V reference, mid-scale reset). Verify that the alternative part's temperature grade and packaging quantity meet design constraints.