DAC121C081CISD/NOPB

Digital To Analog Converters Overview

The DAC121C081CISD/NOPB is a single-channel, 12-bit digital-to-analog converter manufactured by Texas Instruments. It operates within an analog and digital supply voltage range of 2.7 V to 5.5 V. The device features a sampling rate of 180 kS/s and achieves a settling time of 6 µs. It utilizes a 2-Wire I2C compatible interface for data communication. The output type is voltage buffered. Key performance metrics include a differential nonlinearity (DNL) of 0.18 LSB and an integral nonlinearity (INL) of 2.2 LSB. The gain error is specified at 0.7% FSR. Power consumption is 380 µW. It functions across a temperature range of -40°C to +125°C and is housed in a WSON-6 package.

Digital To Analog Converters Feature Summary

• Integrated voltage buffer provides direct drive capability for downstream circuits without external components.
• I2C serial interface enables simple connection with microcontrollers using only two bidirectional lines.
• Compact WSON-6 footprint supports space-constrained printed circuit board layouts.

Digital To Analog Converters Applications

• Battery-powered instrumentation requiring low power consumption
• Portable medical devices needing small form factor converters
• Industrial process control systems utilizing I2C communication

Digital To Analog Converters Procurement Notes

Verify the specific suffix CSD against the manufacturer datasheet to confirm the WSON-6 package variant. Ensure the NOPB designation aligns with current RoHS compliance requirements for your region. Cross-reference the full part number with official Texas Instruments documentation to validate availability status and manufacturing lifecycle stage before finalizing procurement plans.

Digital To Analog Converters Selection Notes

Select this component when a single-channel 12-bit resolution is required alongside minimal power usage. The 180 kS/s speed suits applications not demanding high-speed conversion. Verify that the I2C interface matches the system controller capabilities. Consider the WSON-6 package constraints regarding thermal dissipation and PCB real estate compared to larger packages.

Digital To Analog Converters Part Context

This device belongs to the DAC121C081 series from Texas Instruments, designed for cost-optimized and low-power applications. It shares architectural similarities with other members like the DAC121C081CIMK/NOPB but differs in packaging. The series targets embedded systems where size and energy efficiency are critical design parameters.

Digital To Analog Converters Replacement Considerations

The DAC121C081CIMK/NOPB serves as a parameter-equivalent alternative with identical electrical specifications but utilizes a TSOT-23-6 package instead of WSON-6. Designers must evaluate pinout compatibility and physical footprint differences during substitution planning.