Product category: Analogue and Mixed Signal ICs
News Release from: Texas Instruments (April 2006-) | Subject: THS4520
Edited by the Electronicstalk Editorial Team on 2 November 2006
Differential amp raises acquisition performance
Texas Instruments has expanded its high-performance family of fully differential amplifiers for driving high-speed and high-resolution analogue-to-digital convertors (ADC)
Designed for high accuracy 3.3 to 5V data acquisition systems, the new wideband device offers rail-to-rail output and provides both low noise and the lowest distortion for demanding applications such as wireless communication, test and measurement and medical imaging. The THS4520 can support wideband, DC coupled, channel requirements in high-accuracy data acquisition systems through its independent output common-mode control.
This article was originally published on Electronicstalk on 2 November 2006 at 8.00am (UK)
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This feature provides an easy control for the output common mode over a wide range, independently from the signal path design.
The new amplifier also offers very low noise at 2nV/(rt)Hz and the lowest harmonic distortion available at -115dBc HD2 and -123dBc HD3 at 8V peak-peak output through 100kHz.
High-precision ADCs, such as TI's 16bit, 4Msample/s ADS8422, will benefit from this extremely low distortion as it provides considerable performance margin to the ADC.
High-speed data convertors, such as TI's dual 12bit, 65Msample/s ADS5232, will also benefit from the low noise, 3.3V operation and extremely high 600MHz bandwidth of the THS4520.
'In addition to driving high-speed 12bit ADCs, the THS4520 provides excellent linearity at frequencies lower than 1MHz, making it an ideal interface to high-precision 16bit ADCs', said Michael Steffes, Market Development Manager for TI's high-speed signal conditioning products.
'The addition of the THS4520 broadens our extensive portfolio of signal chain solutions and enables customers to hit new levels of performance in their systems'.
The THS4520 is characterised for operation over the full industrial temperature range from -40 to +85C and is pin-compatible with TI's high-speed family of fully differential amplifiers (THS4508, THS4509, THS4511 and THS4513).
The THS4520 is available now from TI and its authorised distributors in a 16-pin quad flat no-lead (QFN) package.
Suggested resale pricing in quantities of 1000 is $2.25.
Evaluation modules (EVMs) and Spice models are also available.
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