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Low distortion op amp drives 12-, 16bit ADCs

Posted: 07 Nov 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Texas Instruments? fully-differential operational amplifier? operational amplifier? operational amplifiers? op amps?

Texas Instruments Inc. (TI) expanded its family of fully-differential operational amplifiers with the release of the new high-speed, ultralow distortion THS4520, which is suited to driving 12bit and 16bit ADCs for 3.3-5V data acquisition systems and wireless communications, test and measurement, and medical imaging.

"In addition to driving high-speed 12-bit 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 THS4520, with a bandwidth of 600MHz, supports wideband, DC coupled applications. Its low noise density of 2nV/Hz and low harmonic distortion (-115dBc HD2 and -123dBc HD3 at 8V p-p output through 100kHz, the lowest in the industry according to the company) optimizes the match for high-precision ADCs such as TI's 16-bit, 4MSPS ADS8422, and the dual 12bit, 65MSPS ADS5232. The chips are pin-compatible with TI's high-speed family of fully-differential amplifiers (THS4508, THS4509, THS4511 and THS4513).

The THS4520, in a 16-pin QFN package and characterized over -40C to 85C, has a suggested resale price of $2.25 each in 1,000-unit quantities. Evaluation modules and SPICE models are also available.

- Vince Biancomano
eeProductCenter




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Related Datasheets
Part Number Description Category
? THS4520 Wideband, Low Noise, Low Distortion, Fully Differential Amplifier (Rev. B) Actives - Sensors and Transducers

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