LTC2753BCUK-16#PBF

Overview

The LTC2753BCUK-16#PBF is a dual 16-bit multiplying current-output DAC from Analog Devices. It operates on a single 2.7V to 5.5V supply and features SoftSpan technology for 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 guarantees monotonicity over temperature and includes a bidirectional parallel interface with register readback capabilities. Key electrical specifications include a maximum integral nonlinearity (INL) of ±1 LSB and differential nonlinearity (DNL) of ±0.2 LSB across the full operating range.

Feature Summary

• Dual 16-bit resolution with guaranteed monotonicity over temperature
• Six programmable output ranges via software or pin strapping
• Bidirectional parallel I/O interface supporting register readback
• Low power consumption with maximum supply current of 1μA

Applications

• Process control and industrial automation systems
• Automatic test equipment requiring high precision
• Data acquisition systems needing flexible voltage ranges

Procurement Notes

Verify that the component matches the specific package type and temperature grade required for the design. Confirm that the ordering suffix corresponds to the desired lead-free finish and tape-and-reel availability if applicable. Ensure compatibility with the system's digital logic levels and supply voltage constraints before procurement.

Selection Notes

Select this part when dual-channel 16-bit accuracy is required with flexible output scaling. The SoftSpan feature allows adaptation to various signal requirements without external resistor networks. Consider the 48-lead QFN package dimensions for PCB layout constraints. Verify that the 2μs settling time meets the speed requirements of the target application.

Part Context

This component belongs to the LTC2753 family of SoftSpan DACs, which also includes 12-bit and 14-bit variants. The 'B' designation indicates commercial temperature performance (0°C to 70°C), while the 'I' variant supports industrial temperatures (-40°C to 85°C). All variants share the same pinout and functional architecture within the 48-lead QFN package.

Replacement Considerations

Direct substitutes within the same family include the LTC2753BIUK-16#PBF for industrial temperature operation. For lower resolution needs, the LTC2753CUK-16#PBF or LTC2753IUK-16#PBF may be considered if 16-bit accuracy is not strictly required. Ensure any replacement maintains the same package footprint and electrical characteristics.