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Product category: Microprocessors, Microcontrollers and DSPs
News Release from: Texas Instruments (April 2006-) | Subject: ADS5485 ADC
Edited by the Electronicstalk Editorial Team on 25 September 2008

TI introduces 16-bit analogue-to-digital
converter

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Texas Instruments (TI) has introduced the ADS5485 16-bit, single-channel, 200 mega samples per second (MSPS) analogue-to-digital converter (ADC) to provide faster speeds.

It is suitable for communications, test and measurement, and defence applications It can achieve a signal-to-noise ratio of 75dBFS and a spurious-free dynamic range of 87dBc for a 70MHz input frequency (IF)

Evaluation modules (EVMs) simplify design and allow rapid evaluations of these complex systems.

The ADS5485 eases analogue front-end design by incorporating a fully differential input buffer.

Developed in TI's Bicom3 high-speed process technology, this buffer provides constant input impedance over input frequency and eliminates kickback from the ADC's track-and-hold structure to ensure consistent linearity of the signal.

The performance of the ADS5485 increases design flexibility and offers a number of system-level benefits, such as: 16-bit resolution with up to 100MHz bandwidth for high-speed digitisers, spectrum analysers, test and measurement equipment, and general data acquisition systems; improved transmit power amplifier linearisation and efficiency combined with a digital pre-distortion algorithm, lowering total system cost; allows sampling of larger bandwidths in radar systems, resulting in enhanced tracking resolution and object discrimination; allows software-defined radios to implement a greater number of standards such as Wimax, LTE and CDMA.

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