DDS39RFS12ACL

Overview

The Texas Instruments DDS39RFS12ACL is a single-channel, 16-bit Direct Digital Synthesizer (DDS) featuring a multi-Nyquist DAC core. It supports a maximum clock frequency of 12 GHz and operates within a supply voltage range of 1.71 V to 1.89 V. The device utilizes an FCBGA-256 package and includes four converters with one DAC channel. Key performance metrics include a differential nonlinearity (DNL) of 2.2 LSB and integral nonlinearity (INL) of 9 LSB. It features an SPI interface for control and operates between -40°C and +85°C.

Feature Summary

• Integrates a 16-bit multi-Nyquist DAC kernel capable of direct RF sampling or complex baseband signal generation.
• Includes a 64-bit Numerically Controlled Oscillator (NCO) enabling phase-coherent frequency hopping and arbitrary waveform generation.
• Features four integrated digital upconverters (DUCs) with interpolation factors of 4x, 6x, 8x, 12x, and 256x.
• Supports deterministic latency and multi-device synchronization via JESD204B/C compliant serial interfaces.

Applications

• Satellite communication (SATCOM) systems requiring direct RF sampling.
• Phased array antenna beamforming networks.
• Synthetic Aperture Radar (SAR) exciter modules.
• Wireless communication test equipment generating wideband signals.

Procurement Notes

Verify the specific suffix 'ACL' against official Texas Instruments documentation, as standard listings often reference 'ACK'. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Ensure compatibility with the DAC39RF10EVM development kit if evaluation is required. Validate that the single-channel configuration meets system requirements compared to dual-channel alternatives.

Selection Notes

Select this component when a single high-speed output channel is sufficient for direct RF synthesis. Compare against the DDS39RF12ACL for dual-channel requirements. Consider the 12 GHz analog output bandwidth and 16-bit resolution for C-band to X-band applications. Evaluate power dissipation limits relative to thermal management capabilities in the target enclosure.

Part Context

This device belongs to the DDS39RF12 family of specialized data acquisition components. It shares architectural similarities with the DDS39RF12 but differs in channel count. The series is designed for high-performance signal generation where precise frequency control and wide instantaneous bandwidth are critical. It complements other TI RF DACs by offering integrated digital processing capabilities.

Replacement Considerations

The DDS39RF12ACK is the primary verified alternative within the same family, offering dual-channel functionality instead of single-channel. Both share identical electrical specifications and pinouts. No other cross-model substitutes are confirmed in public documentation.