DAC43401DSGTQ1

Digital To Analog Converters Overview

The DAC43401DSGTQ1 is an automotive-grade, 8-bit digital-to-analog converter (DAC) from Texas Instruments. It features a buffered voltage output and operates within a supply voltage range of 1.71 V to 5.5 V. The device utilizes a PMBus-compatible I2C interface supporting standard, fast, and fast mode plus speeds. Key electrical specifications include ±1 LSB INL/DNL accuracy, a settling time of 12 µs at full scale, and a typical supply current of 0.8 mA. It incorporates user-programmable nonvolatile memory for register retention and supports digital slew-rate control.

Digital To Analog Converters Feature Summary

• AEC-Q100 qualified for automotive applications with extended temperature operation
• Integrated nonvolatile memory for saving and recalling all register settings
• Programmable waveform generation capabilities including square, ramp, and sawtooth outputs
• Pulse-width modulation output functionality using triangular waveforms

Digital To Analog Converters Applications

• Automotive USB charging systems
• Headlight control circuits
• Rear light management

Digital To Analog Converters Procurement Notes

Verify the specific suffix 'Q1' confirms AEC-Q100 automotive qualification and extended temperature range compliance. Ensure the 'DSGT' package designation matches the required 8-pin WSON form factor. Cross-reference the datasheet revision history to confirm compatibility with existing system designs and documentation standards.

Digital To Analog Converters Selection Notes

Select this component when an 8-bit resolution is sufficient for bias point generation or LED dimming in automotive environments. Consider the internal reference option if external precision references are unavailable. Evaluate the power consumption requirements against the 0.8 mA typical operating current to ensure it fits within the system's thermal and energy budgets.

Digital To Analog Converters Part Context

This part belongs to the DACx3401-Q1 family, which includes the pin-compatible 10-bit DAC53401-Q1 variant. Both devices share identical packaging and interface protocols but differ in resolution. This family is designed specifically for smart DAC applications requiring low power consumption and integrated memory in compact automotive modules.

Digital To Analog Converters Replacement Considerations

The DAC53401DSGTQ1 serves as a direct pin-compatible upgrade offering higher 10-bit resolution. For non-automotive applications, the standard DAC43401DSGT may be considered, though it lacks the specific automotive reliability qualifications.