LTC2632CTS8-HI12#TRPBF

Overview

The LTC2632CTS8-HI12#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 a temperature coefficient of 10ppm/°C. The device operates on a single supply voltage ranging from 4.5V to 5.5V. It utilizes a 3-wire SPI/MICROWIRE compatible serial interface with clock rates up to 50MHz. Key electrical specifications include a maximum Integral Nonlinearity (INL) error of ±2.5LSB for the standard grade, rail-to-rail output buffers, and a power-on reset function that defaults to mid-scale in internal reference mode.

Feature Summary

• Dual 12-bit DACs with integrated 4.096V precision reference (10ppm/°C)
• Rail-to-rail output buffers with guaranteed monotonicity
• 3-wire SPI/MICROWIRE serial interface supporting clock rates up to 50MHz
• Power-on reset to mid-scale in internal reference mode

Applications

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

Procurement Notes

Verify the specific ordering suffix #TRPBF corresponds to the tape and reel packaging configuration required for automated assembly. Confirm that the H-grade designation aligns with the necessary 4.5V to 5.5V supply voltage range and 4.096V full-scale output requirements for the target application design.

Selection Notes

Select this component when a dual-channel DAC with high accuracy and low drift is required within a compact TSOT-23 footprint. Ensure the system supply voltage remains within the 4.5V to 5.5V range specified for the HI variant. Consider the ±2.5LSB INL specification if higher precision grades like the A-series are not mandated by the application performance criteria.

Part Context

This part belongs to the LTC2632 family, which offers various combinations of resolution (8-, 10-, or 12-bit), full-scale voltages (2.5V or 4.096V), and power-on reset behaviors. The HI12 suffix specifically denotes the 12-bit resolution, 4.096V internal reference capability, and mid-scale reset behavior for the commercial temperature grade C.

Replacement Considerations

Direct substitutes within the same family include LTC2632ACTS8-HI12#TRMPBF (A-grade, 500-unit reel) or LTC2632HCTS8-HI12#TRPBF (Automotive H-grade). Verify pin compatibility and electrical parameter differences before substitution.