DAC61402RHBT

Digital To Analog Converters Overview

The DAC61402 is a dual-channel, 12-bit digital-to-analog converter with buffered high-voltage outputs and an integrated precision reference. It operates within a temperature range of –40°C to +125°C and utilizes a 4-wire SPI-compatible serial interface supporting 1.7-V to 5.5-V logic levels. The device features a maximum INL of ±1 LSB and a TUE of ±0.05% FSR. Output configurations support full-scale bipolar voltages of ±5 V, ±10 V, and ±20 V, as well as unipolar ranges up to 40 V. Each channel includes dedicated sense pins for remote sensing and external compensation capabilities.

Digital To Analog Converters Feature Summary

• Integrated output buffers provide high drive capability and eliminate the need for external operational amplifiers in most applications.
• Per-channel sense pins enable accurate voltage regulation by compensating for IR drops and ground bounce effects.
• Built-in reliability mechanisms include CRC error checking, short-circuit protection, and a thermal alarm fault pin.

Digital To Analog Converters Applications

• Servo drive control modules
• Analog output signal generation
• Laboratory and field instrumentation systems
• Data acquisition (DAQ) platforms
• Semiconductor test equipment

Digital To Analog Converters Procurement Notes

Verify the specific ordering suffix RHBT corresponds to the 32-pin VQFN package variant when sourcing. Confirm that the internal reference configuration meets system requirements without external components. Ensure supply voltages remain within recommended operating conditions to maintain specified linearity and accuracy metrics across the industrial temperature range.

Digital To Analog Converters Selection Notes

Select this component for applications requiring dual-channel high-voltage output with integrated buffering. The 12-bit resolution suits general-purpose analog control tasks where ±1 LSB INL is sufficient. Consider the DAC81402 if 16-bit resolution is required, as both devices share pin compatibility and functional architecture within the DACx1402 family.

Digital To Analog Converters Part Context

The DAC61402 belongs to the DACx1402 family, which also includes the 16-bit DAC81402. Both devices are pin-compatible and share identical packaging and feature sets, differing primarily in resolution. This family addresses markets needing high-voltage outputs with minimal external component count, leveraging integrated references and robust fault protection mechanisms.

Digital To Analog Converters Replacement Considerations

The DAC81402 serves as a direct pin-compatible upgrade offering 16-bit resolution. Other Texas Instruments DACs may require schematic modifications due to differing pinouts or voltage specifications.