DAC7734E/1K

Digital To Analog Converters Overview

The DAC7734E/1K is a quad-channel, 16-bit digital-to-analog converter manufactured by Texas Instruments. It features a serial interface and voltage buffered outputs with an R-2R resistor ladder structure. The device operates on dual analog supply voltages of ±15 V and a digital supply of ±15 V. Key performance metrics include a sampling rate of 89 kS/s, a settling time of 10 µs, and power consumption of 50 mW. Nonlinearity specifications are ±3 LSB for both DNL and INL, with a gain error of 0.05% FSR. It functions within a temperature range of -40°C to +85°C and is housed in an SSOP-48 package.

Digital To Analog Converters Feature Summary

• Quad-channel architecture providing four independent 16-bit DAC channels in a single package.
• Serial input interface simplifies connection to microprocessors and DSPs.
• Integrated reset function allows output initialization to mid-scale.
• Low power consumption design suitable for battery-operated or energy-efficient systems.

Digital To Analog Converters Applications

• Industrial process control systems requiring multi-channel signal generation.
• Data acquisition systems needing precise voltage reference outputs.
• Test and measurement equipment utilizing high-resolution analog outputs.
• Automotive instrumentation applications operating in extended temperature ranges.

Digital To Analog Converters Procurement Notes

Verify the specific suffix '1K' against the manufacturer's official documentation to confirm packaging configuration, as standard datasheets typically list the base part number DAC7734E. Ensure compatibility with the required SSOP-48 footprint and check for moisture sensitivity level requirements during storage and handling. Confirm that the serial interface timing matches the host controller specifications before finalizing procurement.

Digital To Analog Converters Selection Notes

Select this component when a quad-channel solution is required without sacrificing 16-bit resolution. The serial interface reduces pin count compared to parallel alternatives like the DAC7744. Consider the 10 µs settling time and 89 kS/s update rate to ensure they meet system bandwidth requirements. Verify that the ±15 V analog supply rails are available in the target application environment.

Digital To Analog Converters Part Context

This part belongs to the DAC7734 family of precision digital-to-analog converters. It shares architectural similarities with other members such as the DAC7731 (single channel) and DAC7744 (parallel interface). The DAC7734 series is designed for applications demanding high accuracy and low power consumption in industrial environments.

Digital To Analog Converters Replacement Considerations

The DAC7744EB/1K serves as a functional substitute but utilizes a parallel interface instead of serial. Designers must account for increased pin count and different control logic when substituting. Other family members like the DAC7731 offer single-channel configurations with different speed characteristics.