DAC128S085CISQ

Digital To Analog Converters Overview

The DAC128S085CISQ is an octal, 12-bit digital-to-analog converter manufactured by Texas Instruments. It features a resistor string architecture with rail-to-rail buffered voltage outputs. The device supports serial interfaces including SPI, QSPI, Microwire, and DSP modes. It operates on analog and digital supply voltages ranging from 2.7 V to 5.5 V. Key electrical parameters include a settling time of 6 µs, a typical operating current of 650 µA, and power consumption of 1.95 mW. Differential nonlinearity is specified at 0.15 LSB, while integral nonlinearity is ±2 LSB. Gain error is limited to 1% FSR. The component is housed in a 16-pin WQFN package and functions within a temperature range of -40°C to +125°C.

Digital To Analog Converters Feature Summary

• Integrates eight independent 12-bit DAC channels within a single compact package for space-constrained designs.
• Provides rail-to-rail buffered voltage outputs capable of driving loads directly without external amplification.
• Supports multiple high-speed serial communication protocols including standard SPI, QSPI, Microwire, and DSP interfaces.

Digital To Analog Converters Applications

• Industrial process control systems requiring multi-channel signal generation
• Portable instrumentation and battery-powered measurement devices
• Automated test equipment (ATE) signal sources

Digital To Analog Converters Procurement Notes

Verify the specific suffix 'CISQ' against the manufacturer's official datasheet to confirm the industrial temperature grade (-40°C to +125°C) and the WQFN-16 package variant. Ensure compatibility with system voltage levels, as the digital interface supports 1.7V to 5.5V logic while the analog supply requires 2.7V to 5.5V. Confirm RoHS compliance status through the authorized distributor's documentation prior to integration.

Digital To Analog Converters Selection Notes

Select this component when eight simultaneous 12-bit analog outputs are required in a small footprint. It is suitable for applications needing low power consumption under 2 mW. Designers must provide an external reference voltage between 500 mV and 5.5 V. Consider the 6 µs settling time for bandwidth requirements. Alternative packages like TSSOP or VQFN may be available if thermal or mechanical constraints differ.

Digital To Analog Converters Part Context

This part belongs to the DAC128S085 family of octal DACs from Texas Instruments. The family includes variants with different resolutions such as the 8-bit DAC088S085 and 10-bit DAC101S101. All members share similar serial interface capabilities and low-power characteristics but differ in resolution and specific performance metrics like settling time and linearity errors.

Digital To Analog Converters Replacement Considerations

The DAC128S085CIMT/NOPB offers identical functionality in a TSSOP-16 package. For lower resolution needs, the DAC088S085 series provides 8-bit performance. Verify pinout compatibility and thermal dissipation requirements when substituting between WQFN and TSSOP packages.