Operational Amplifier is used in single-supply applications.

Press Release Summary:



With single-supply operation from 2.2-5.5 V, OPA365 operational amplifier utilizes zero-crossover, single-input stage architecture to achieve rail-to-rail performance. Features include distortion of 0.0006% THD+N, noise of 4.5 nV/rtHz, bandwidth of 50 MHz, and settling time of 300 ns to 0.01%. Delivering CMRR of 100 dB minimum and 120 dB typical over entire input range, product design makes it suitable for driving A/D converters without degradation of differential linearity.



Original Press Release:



TI Unveils Zero-Crossover, Rail-to-Rail Amplifier for High-Performance, Single-Supply Applications



DALLAS (July 24, 2006) - Texas Instruments Incorporated (TI) (NYSE: TXN) today introduced a precision operational amplifier that utilizes an innovative zero-crossover, single-input stage architecture to achieve glitchless rail-to-rail performance. Featuring ultra-low distortion of 0.0006% THD+N, low noise of 4.5nV/rtHz and gain bandwidth of 50MHz, the 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(TM) 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.

Texas Instruments Incorporated provides innovative DSP and analog technologies to meet our customers' real world signal processing requirements. In addition to Semiconductor, the company includes the Educational & Productivity Solutions business. TI is headquartered in Dallas, Texas, and has manufacturing, design or sales operations in more than 25 countries.

Texas Instruments is traded on the New York Stock Exchange under the symbol TXN. More information is located on the World Wide Web at www.ti.com.

Please refer all reader inquiries to:
Texas Instruments Incorporated
Semiconductor Group, SC-06130
Literature Response Center
14950 FAA Blvd.
Fort Worth, TX 76155
1-800-477-8924

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