LTC2753ACUK-16#PBF

Overview

The LTC2753ACUK-16#PBF is a dual-channel, 16-bit multiplying digital-to-analog converter (DAC) from Analog Devices Inc. It features SoftSpan technology, allowing six programmable output ranges: two unipolar (0V to 5V, 0V to 10V) and four bipolar (±2.5V, ±5V, ±10V, –2.5V to 7.5V). The device operates on a single 2.7V to 5.5V supply with a maximum supply current of 1μA. Key electrical specifications include ±1 LSB INL and DNL over temperature, a settling time of 2μs to ±1 LSB, and a low glitch impulse of 1nV•s. It utilizes a bidirectional parallel interface for data input and register readback.

Feature Summary

• Dual 16-bit current-output DACs with ±1 LSB INL/DNL guaranteed over temperature
• Six programmable output ranges via software or pin-strapping (SoftSpan)
• Bidirectional parallel I/O interface supporting full register readback
• Low power consumption with 1μA maximum supply current

Applications

• Process control and industrial automation systems
• Automatic test equipment
• Data acquisition systems

Procurement Notes

Verify the ordering suffix #PBF indicates lead-free finish and tube packaging. Confirm the AC suffix corresponds to the commercial temperature range (0°C to 70°C) as listed in the order information table. Ensure the UK package designation matches the required 48-lead QFN footprint for PCB layout compatibility.

Selection Notes

Select this part for applications requiring high precision (16-bit) with flexible voltage range configuration without external resistor networks. Compare against the AI variant if an extended industrial temperature range (-40°C to 85°C) is required. Ensure the system supports the necessary parallel interface timing constraints for write and update operations.

Part Context

This component belongs to the LTC2753 family of SoftSpan DACs, which also includes 12-bit and 14-bit variants. The ACUK-16 specifically denotes the 16-bit resolution version in the commercial grade temperature range. It shares the same 48-pin QFN package and pinout architecture as other members of the series, facilitating design scalability across different resolution requirements.

Replacement Considerations

The LTC2753AIUK-16#PBF serves as a direct functional substitute with an extended industrial temperature range (-40°C to 85°C) instead of the commercial range (0°C to 70°C). Other family members like the LTC2753BCUK-16#PBF offer lower performance grades.