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TI delivers the industry's first RF sampling 14-bit, 3-GSPS analog-to-digital converter

TI simplifies direct RF sampling system architecture with the highest dynamic range, widest bandwidth and fastest 14-bit ADC

May 18, 2016

DALLAS, May 18, 2016 /PRNewswire/ -- Texas Instruments (TI) (NASDAQ: TXN) today introduced the highest level of radio-frequency (RF) sampling performance with the ADC32RF45, the industry's fastest 14-bit analog-to-digital converter (ADC). This dual-channel ADC enables direct RF signal conversion up to 4 GHz, giving engineers access to the highest dynamic range and input bandwidth. The first in a new data converter family in TI's RF sampling portfolio, the ADC32RF45 eliminates up to four intermediate-frequency downconversion stages in multiband receivers, which simplifies system architecture and reduces board space up to 75 percent.

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Direct RF sampling meets engineers' requirements for higher integration, better noise performance, wider bandwidth and smaller footprints in radar, software-defined radio, aerospace and defense, test and measurement, wireless communication, and radio astronomy systems. For more information or to order the evaluation module (EVM) today, see www.ti.com/ADC32RF45-pr.

Key features and benefits

  • Support for RF inputs up to 4 GHz enables direct RF signal conversion in the first, second and third Nyquist zones (including all L- and S-band frequency ranges). This reduces filter complexity, saves board space and decreases component count.
  • The ADC32RF45 detects even the weakest signals with industry-leading noise-spectral density of -155 dBFS/Hz, 5 dB better than competitive devices. It offers industry-leading signal-to-noise ratio of 58.5 dB at a 1.8-GHz input frequency.
  • Fastest 14-bit ADC with a 3-GSPS maximum sample rate delivers an instantaneous 1.5-GHz-per-channel bandwidth, enabling engineers to implement wideband in-phase and quadrature-component receivers beyond 2.5 GHz.
  • The multiband digital downconverter extracts one or two sub-bands per channel, a dramatic digital interface data throughput reduction by up to 92 percent, saving system size, power and processing resources.

Resources to speed design
Available now through the TI store, the ADC32RF45EVM is priced at US$2,499 and the TSW14J56EVM data-capture card is available for US$1,249. Additional support includes TI Designs reference designs and application notes.

Complete high-performance signal chain
To speed development and maximize performance, engineers can design a complete analog signal chain today using the ADC32RF45 with TI's LMH3404 7-GHz dual-channel fully differential amplifier, which supports bandwidths from DC to 1.5 GHz; the LMX2592 9.8-GHz wideband frequency synthesizer; and the LMK04828 JESD204B-compliant clock-jitter cleaner. In addition, the 66AK2L06 processor offers a system-optimized alternative to field-programmable gate arrays (FPGAs). Learn more in the blog post, "How to complete your RF sampling solution."

Availability and pricing
In addition to the ADC32RF45EVM available today, the ADC32RF45 will be in volume production in the third quarter of 2016 in a 72-pin, 10-mm-by-10-mm quad flat no-lead (QFN) package for US$2,495 in 100-unit quantities.

RF sampling resources

TI is a global semiconductor design and manufacturing company that develops analog integrated circuits and embedded processors. Learn more at www.ti.com.

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SOURCE Texas Instruments