LTC2630AHSC6-LZ12#TRMPBF

Overview

The LTC2630AHSC6-LZ12#TRMPBF is a single-channel, 12-bit voltage-output digital-to-analog converter (DAC) from Analog Devices. It features an integrated precision reference providing a full-scale output of 2.5V and operates within a supply voltage range of 2.7V to 5.5V. The device guarantees monotonicity with a maximum integral nonlinearity (INL) error of ±1 LSB. It utilizes a 3-wire SPI/MICROWIRE compatible serial interface with clock rates up to 50MHz. Key electrical parameters include a typical settling time of 4.4µs at 3V, a supply current of 180µA, and power-down current of 1.8µA maximum. The component is housed in a 6-lead SC70 package.

Feature Summary

• Integrated Precision Reference: Provides a stable 2.5V full-scale output with a temperature coefficient of 10ppm/°C.
• High Accuracy: Guaranteed monotonic operation with a maximum INL error of ±1 LSB for the A-grade device.
• Simplified Interface: Compatible with standard SPI and MICROWIRE protocols using a 3-wire serial interface.
• Power Management: Features selectable power-on reset to zero or mid-scale and low power consumption with 1.8µA max power-down current.

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 as defined in the manufacturer's order information. Confirm that the 'H' package type designation aligns with the required thermal performance and physical dimensions for the target application design.

Selection Notes

Select this part when a compact 12-bit DAC with high accuracy (±1 LSB INL) and a fixed 2.5V internal reference is required. Ensure the system supply voltage remains between 2.7V and 5.5V. Consider the H-grade temperature range (-40°C to 125°C) if operation in harsh environments is necessary compared to C or I grades.

Part Context

This component belongs to the LTC2630 family of rail-to-rail DACs available in 12-, 10-, and 8-bit resolutions. The 'A' grade denotes enhanced linearity specifications compared to standard grades. The 'LZ' suffix specifies the 2.5V full-scale voltage and zero-scale power-on reset behavior, while 'H' indicates the automotive temperature rating.

Replacement Considerations

Direct replacements within the same family include LTC2630AHSC6-HZ12#TRMPBF for a 4.096V output or LTC2630AHSC6-LM12#TRMPBF for mid-scale reset. Verify pin compatibility and software command set alignment when substituting different resolution or reset variants.