LTC2641CMS8-14#PBF

Overview

The LTC2641CMS8-14#PBF is a 14-bit unbuffered voltage output digital-to-analog converter (DAC) from Analog Devices. It operates on a single 2.7V to 5.5V supply with a typical supply current of 120µA. The device features a fast settling time of 1µs to ±0.5LSB and a low glitch impulse of 0.5nV·sec. Static performance includes ±0.5LSB maximum INL and DNL, guaranteed monotonic over temperature. It utilizes a 3-wire SPI/Microwire compatible serial interface with clock rates up to 50MHz. The component is housed in an 8-lead MSOP package and supports a reference input range of 2V to VDD.

Feature Summary

• 14-bit resolution with ±0.5LSB INL/DNL and guaranteed monotonicity
• Low power consumption of 120µA typical supply current
• Fast 1µs settling time to 16-bit accuracy
• Unbuffered voltage output directly drives loads >60kΩ

Applications

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

Procurement Notes

Verify the specific ordering suffix CMS8 corresponds to the 8-lead MSOP package and C grade for commercial temperature range (0°C to 70°C). Confirm lead-free finish and RoHS compliance status through official manufacturer documentation or authorized distributors before procurement.

Selection Notes

Select this model for applications requiring high linearity with minimal power budget. Ensure the load impedance exceeds 60kΩ to maintain specified INL/DNL performance due to the unbuffered output architecture. Verify that the system requires a unipolar output range of 0V to VREF.

Part Context

This part belongs to the LTC2641 family of low-power DACs. The 'CMS8' suffix indicates the 8-lead MSOP plastic package, while '14' specifies the 14-bit resolution variant. The '#PBF' denotes a lead-free finish. It is distinct from the LTC2642 series, which offers bipolar output capabilities.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.