THS5671AIDWRG4

Digital To Analog Converters Overview

The THS5671AIDWRG4 is a 14-bit resolution digital-to-analog converter (DAC) optimized for wired and wireless communication systems. It supports an update rate of up to 125 MSPS with a spurious free dynamic range of 63 dBc at a 40 MHz output frequency. The device features differential scalable current outputs ranging from 2 mA to 20 mA and includes an on-chip 1.2 V reference. It operates from a 4.5 V to 5.5 V analog supply and a 3 V to 5.5 V digital supply, consuming 175 mW at full scale. The component is housed in a 28-pin SOIC package.

Digital To Analog Converters Feature Summary

• High-speed data transmission capability with 14-bit resolution and 125 MSPS update rate
• Differential scalable current outputs adjustable from 2 mA to 20 mA without performance degradation
• Integrated 1.2 V temperature-compensated bandgap reference and edge-triggered input latches
• Low power consumption with a dedicated sleep mode reducing standby power to approximately 25 mW

Digital To Analog Converters Applications

• Digital data transmission in wired communication systems
• Digital data transmission in wireless communication systems
• Multiplying DAC applications using external reference voltages

Digital To Analog Converters Procurement Notes

Verify the specific ordering suffix G4 indicates RoHS compliance and green material status as per Texas Instruments standards. Confirm the DW suffix corresponds to the 28-pin Small Outline Integrated Circuit package. Ensure the AI suffix matches the industrial temperature range specification of -40°C to 85°C during procurement validation.

Digital To Analog Converters Selection Notes

Select this component when high linearity and low glitch energy are required for communication interfaces. The 14-bit resolution provides superior DC accuracy compared to lower bit counts in the CommsDAC family. Consider the adjustable full-scale current feature if system power constraints require operation below the maximum 20 mA output level while maintaining dynamic performance.

Digital To Analog Converters Part Context

This device belongs to the CommsDAC product family, which consists of pin-compatible 14-, 12-, 10-, and 8-bit DACs. All devices in this series share identical interface options, small outline packages, and pinouts. This allows for design flexibility and potential migration between resolution levels within the same hardware footprint.

Digital To Analog Converters Replacement Considerations

Pin-compatible alternatives within the CommsDAC family include the THS5661A (12-bit), THS5651A (10-bit), and THS5641A (8-bit). These parts offer identical packaging and interface configurations but differ in resolution and specific AC performance metrics.

Digital To Analog Converters FAQ

How is the full-scale output current adjusted?

The full-scale output current is set using an external resistor RBIAS combined with the on-chip 1.2 V reference and control amplifier. The internal current mirror provides a full-scale output equal to 32 times the IBIAS current, allowing adjustment from 20 mA down to 2 mA.

What digital input formats are supported?

The THS5671A supports both straight binary and twos complement input word formats. Mode 0 selects straight binary, while Mode 1 selects twos complement, enabling flexible interfacing with various digital signal processors.

What is the purpose of the SLEEP pin?

The SLEEP pin is an asynchronous hardware power-down input that is active high. Activating it reduces the standby power consumption to approximately 25 mW. Note that it requires 5 µs to power down and 3 ms to power up.