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TI Unveils Zero-Crossover, Rail-to-Rail Amplifier for High-Performance, Single-Supply Applications
OPA365 is ideal for a wide variety of single-supply applications found in portable instrumentation, data acquisition, test and measurement, audio and portable medical systems. (See www.ti.com/sc06130.)
“The OPA365 leverages TI’s expertise in analog signal conditioning to solve the common design challenge of finding an op amp that does not limit the capability of the data converter,” said Art George, senior vice president of TI’s high-performance analog business. “The OPA365’s zero-crossover topology, combined with superior noise and speed performance, solves this design challenge unlike any other amplifier on the market and reinforces TI’
s position as the leading supplier of high-performance amplifiers.”
The unique single-stage input topology enables rail-to-rail input without the crossover associated with traditional complementary input stages. This design reduces distortion and delivers outstanding common-mode rejection ratio (CMRR) of 100dB minimum and 120dB typical over the entire input range (100mV beyond the supply rails), making it ideal for driving analog-to-digital converters without degradation of differential linearity.
Other features include fast settling time of 300ns to 0.01%, low offset voltage of 200uV maximum and single-supply operation from 2.2V to 5.5V.
TI provides customers with a state-of-the-art signal chain solution for precision applications: analog-to-digital converters such as ADS8327, ADS8361, ADS7886; digital-to-analog converters such as DAC8811, DAC8830; and precision voltage references such as REF32xx. The OPA365 is also optimized to work with TI’s high-performance TMS320™ DSP platforms.
Availability and Packaging
The OPA365 is available now from TI and its authorized distributors in a
SOT23-5 package. The device is priced at $0.95 in 1,000 piece quantities (suggested resale pricing). An SO-8 package will be available in 3Q 2006.
A dual version, OPA2365, will be available in DFN-8 and SO-8 packages in 3Q 2006. All devices are specified for operation from -40C to +125C.
For more information on TI’s complete analog design support, and to download the latest Amplifier & Data Converter Selection Guide, visit www.ti.com/analog.
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