amplifier

Texas Instruments Incorporated introduced its second-generation, 15-W, stereo analog-input Class-D amplifiers with single-ended outputs. These highly-efficient devices eliminate components to reduce total solution size and cost in HDTVs and other consumer audio electronics. Innovative features address single-ended design challenges to ensure robust and reliable audio performance in LCD, plasma and DLP® TVs and other home audio products.

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Maxim Integrated Products introduces the MAX2065, the industry's only fully programmable, multistate, analog and digital IF/RF variable-gain amplifier (VGA). This single, easy-to-control device delivers an unparalleled combination of VGA performance and component integration. Operating at 50MHz to 1000MHz, the MAX2065 provides unique "rapid fire" gain selection for four customized attenuation states, fast 25ns digital switching, and very low digital VGA amplitude overshoot/undershoot. It is an ideal choice for "fast-attack" AGC (automatic gain control) circuits found in all 2.5G/3G/4G wireless infrastructure transceivers, including GSM/EDGE, CDMA, WCDMA, LTE, and WiMAX%u2122 applications.

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Analog Devices, Inc. extended its family of differential amplifiers by introducing a new device with the industry's best distortion performance at the lowest power consumption for engineers who need maximum performance when driving high-resolution ADCs (analog-to-digital converters) in communications infrastructure, instrumentation and other high-speed equipment. Optimized to drive today's high-performance 14- and 16-bit converters, the ADA4939 differential amplifier consumes less than 120 mW of power on a single 3.3-V supply, while achieving 82-dB SFDR (spurious-free dynamic range) at 70 MHz.

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Texas Instruments Incorporated introduced a dual-channel, high-speed current feedback amplifier. The device features 70 percent greater bandwidth gain at 2 V/V than competitive devices, providing fast signal conditioning with the highest linearity to minimize distortion for better signal fidelity and easier filtering. The amplifier offers wide supply voltage options and large gain capability, giving engineers the flexibility to adjust the parameters to address the specific need, such as high gain for differential signals or high output voltage or current for low power consumption. In addition, the device's optimized symmetrical package eases layout for cost-effective precision IF amplifiers, high-speed arbitrary waveform output drivers, wideband analog-to-digital converter (ADC) drivers and active filters.

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SUNNYVALE, CA April 24, 2008 Maxim Integrated Products (Pink OTC Markets: MXIM) introduces the MAX9736A/B, a family of versatile single-supply, filterless Class D speaker amplifiers, which provide high-performance, thermally efficient amplifier solutions at the lowest solution cost.

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PowerWise LMP7721's Guaranteed 20 Femtoamperes Input Bias Current Produces Maximum Accuracy from Photodiode and High-Impedance Sensors

March 18, 2008 National Semiconductor Corp. (NYSE:NSM) today introduced the LMP7721, a precision amplifier with the industry's lowest guaranteed input bias current (20 fA) at room temperature and over the extended temperature range of -40 degrees to 125 degrees C. The device yields maximum system sensitivity and accuracy from photodiode and high-impedance sensors and is well-suited for improving sensitivity and accuracy in battery-operated portable applications, as well as electrochemical sensor interface circuitry.

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PowerWise LMP223x Family Consumes less than 16 uW per Channel with TCVOS as low as /- 0.4 uV per Degree Celsius

February 25, 2008 National Semiconductor Corp. (NYSE:NSM) today introduced a family of micropower precision amplifiers that provides guaranteed maximum offset voltage drift over temperature (TCVOS) as low as /- 0.4 microvolts per degree Celsius (uV/C). These 16 uW per channel operational amplifiers (op amps) feature the industry%u2019s lowest TCVOS, along with low offset voltage, quiescent current and bias current to enable a high level of system accuracy, extended battery life and long-term stability in portable systems and battery-powered sensor interface products.

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Highly-Integrated LME Devices Reduce Design Time, Enable Audio Power Amplifier Designs with Remarkably Low 0.00035 Percent Distortion Rate

January 15, 2008 National Semiconductor Corporation (NYSE: NSM) today extended its high-fidelity LME audio amplifier family with the introduction of a pair of 200V mono audio power amplifier input stages that deliver industry-leading low distortion performance and reduce design time.

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Realizes millimeter-waveband power amplifiers using 90nm CMOS process technology

Kawasaki, Japan, February 4, 2008 - Fujitsu Laboratories, Ltd. today announced the development of a millimeter-waveband power amplifier (PA) using standard 90nm CMOS process technology. Targeting millimeter-wave applications, Fujitsu Labs developed a standard CMOS modeling technology and design techniques to minimize high-frequency signal loss, thereby enabling the development of the world's first CMOS-based PA that operates at 77GHz. The technology realizes CMOS radio frequency (CMOS RF) front-end circuitry that includes a PA, thereby enabling integration with baseband circuitry(1) on a single chip, for use in millimeter-wave automotive radar systems.

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Dallas, Texas, January 30, 2008 – Diodes Incorporated (Nasdaq: DIOD), a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete and analog semiconductor markets, today announced the introduction of the industry’s smallest 1 Amp SBR rectifier in a 1.4mm x 1.1mm DFN package.

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