Product category:
Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: ADS5444
Edited by the Electronicstalk Editorial
Team on 26 August 2005
Convertor claims top dynamic performance
A new 13bit, 250Msample/s analogue-to-digital convertor promises best-in-class dynamic performance at high input frequencies.
Texas Instruments has a new 13bit, 250Msample/s analogue-to-digital convertor (ADC) that features best-in-class dynamic performance at high input frequencies The ADS5444 offers 68dB signal-to-noise ratio (SNR) and 75dB spurious-free dynamic range (SFDR) at the maximum sample rate of 250Msample/s and an input frequency of 230MHz, making it ideal for a variety of wideband applications including software-defined radios, basestation receivers, and test and measurement systems
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The ADS5444 provides a complete solution by including a high-bandwidth input buffer, a linear track-and-hold stage and an internal reference, simplifying system design requirements.
The ADC operates from a 5V supply, and provides LVDS-compatible digital outputs from a 3.3V supply.
The device is specified over the industrial temperature range of -40 to +85C.
"The ADS5444 successfully extends the industry-leading SNR and SFDR performance achieved by the recently announced ADS5440 13bit, 210Msample/s ADC to even higher input frequencies", said Roberto Sadkowski, Business Unit Manager for TI's high-speed ADCs.
The ADS5444 is optimised to work with TI's high-performance TMS320C6x DSP platform.
TI also has a range of high-speed amplifiers, such as the THS4509 and OPA847, and digital-to-analogue convertors, such as the DAC5687, which are well suited to work with the ADS5444 to provide a truly state-of-the-art signal chain for wideband applications.
The ADS5444 is sampling now, with volume production scheduled for Q4 2005.
The device comes in an 80-pin TQFP PowerPad package and is priced at $95.00 in 1000-piece quantities (suggested resale pricing).
Evaluation modules (EVMs) are also available.
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