Analog Products: Operational Amplifiers
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National Semiconductor's LMH1982 multi-rate video clock generator delivers high-definition (HD) clock output jitter as low as 40 ps peak-to-peak. The LMH1982's high-integration and small 5 mm by 5 mm package size simplifies the design of video cameras, digital recorders and a wide range of video editing and post-production equipment.
Press Release April14, 2008
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National Semiconductor's PowerWise LMP7721 precision amplifier guarantees 20 fA input bias current to produce maximum accuracy from photodiode and high-impedance sensors. The device is well-suited for improving sensitivity and accuracy in battery-operated portable applications, as well as electrochemical sensor interface circuitry.
Press Release March 18, 2008
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National Semiconductor's PowerWise LMP223x family of single, dual and quad micropower precision amplifiers provide guaranteed maximum offset voltage drift over temperature (TCVOS) as low as +/- 0.4 microvolts per degree Celsius (uV/C).
Press Release February 25, 2008
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National Semiconductor's LMP7300 low-power precision comparator with adjustable hysteresis provides the highest-accuracy signal detection in power supply and battery monitors, sensor interface and threshold detectors. The LMP7300 is the latest addition to the company's PowerWise® energy-efficient product family.
Press Release October 31, 2007
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The LMP77xx single, dual and quad precision amplifiers are the latest additions to the National Semiconductor's PowerWise® energy-efficient product family. The LMP7717 single op amp delivers 88 MHz gain bandwidth while consuming only 1.15 mA of quiescent current. This high bandwidth-to-power ratio enables unparalleled power efficiency for extending battery life in portable devices.
Press Release October 10, 2007
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National Semiconductor's three new energy-efficient, high-speed differential amplifiers are well-suited for a wide variety of communications, test, instrumentation, and defense and space applications. They're part of National's PowerWise® line of energy-efficient analog integrated circuits that deliver outstanding performance-to-power ratios.
Press Release September 24, 2007
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National Semiconductor's LMP7731 single and LMP7732 dual precision op amps provide the industry's lowest input voltage noise of 2.9 nV/sqrt Hz with a 1/f noise corner of only 3 Hz.
Press Release September 18, 2007
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The LMP8100A precision gain amplifier from National Semiconductor enables a new level of signal-conditioning performance in sensor interface applications and data acquisition systems targeting the industrial and instrumentation markets.
Press Release July 30, 2007
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National Semiconductor's family of single, dual and quad comparators offer industry-leading power and performance specifications for a wide range of industrial, medical, and test and measurement applications.
Press Release April 25, 2007
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National Semiconductor's high-precision operational amplifier eliminates 1/f voltage and current noise, providing unparalleled levels of accuracy and stability over time and temperature for a wide range of satellite applications.
Press Release March 27, 2007
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National's LMV221 is the industry's first RF power detector with guaranteed accuracy over temperature and RF production testing for 3G mobile phones. It enables precise power control that is stable over a large temperature range and accurate over a wide dynamic range.
Press Release February 12, 2007
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National Semiconductor expanded its high-performance low voltage and low-power portfolio with the industry's highest-bandwidth, 1V, rail-to-rail input and output (RRIO) CMOS operational amplifier. The LMV951's combination of bandwidth and low power make it well-suited for cell phones, handheld devices, portable medical equipment and low-power instrumentation.
Press Release November 28, 2006
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National Semiconductor expanded its LMH® high-speed amplifier portfolio with two 16 x 8 analog crosspoint switches, the industry's fastest switches for high-resolution professional, broadcast and industrial video applications. The LMH6582 and LMH6583 achieve -3 dB bandwidth of 500 MHz, the highest bandwidth in the industry.
Press Release April 24, 2006
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National Semiconductor introduced a multi-format video synchronization separator with the industry's best jitter performance for high-definition broadcast and professional video systems. The LMH1981 allows video designers to accurately and precisely extract horizontal and vertical sync signals without extra filtering and jitter-cleaning stages.
Press Release April 10, 2006
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National Semiconductor introduced nine single, dual and quad operational amplifiers built on its proprietary VIP50 BiCMOS process technology. The products feature dramatic improvements in accuracy, power consumption and voltage noise for industrial, medical and automotive applications, as well as small size for portable applications.
Press Release April 5, 2006
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The LM6211 rail-to-rail output CMOS operational amplifier from National Semiconductor offers a wide operating range up to 24V and meets the demanding low-noise, low-power and low-input bias requirements of industrial and telecommunications applications. This 20 MHz wide-bandwidth, low-noise operational amplifier with a single supply- voltage range of 5V to 24V and a 0.5 pA low input bias current easily interfaces with high impedance sources.
Press Release March 14, 2006
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National Semiconductor expands its high-performance precision amplifier portfolio with the addition of three high common-mode difference amplifiers. Designed for broad-based industrial, medical and telecommunication applications, the LMP8275, LMP8276 and LMP8277 amplifiers meet the requirements for accurate current sensing measurements in products such as base stations, notebook PCs and sensor controls in industrial applications.
Press Release November 8, 2005
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National Semiconductor introduced six precision and low-voltage amplifiers based on its new advanced proprietary BiCMOS process. New devices designed on the analog VIP50 process dramatically improve precision and power efficiency for portable and industrial applications.
Press Release September 26, 2005
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The proprietary VIP50 BiCMOS analog process technology from National Semiconductor Corporation dramatically improves accuracy, power efficiency and voltage noise of the company's next-generation precision and low-power, low-voltage operational amplifiers.
Press Release September 26, 2005
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National Semiconductor introduced the industry's first decoder with an integrated 2:1 multiplexing (MUX) video switch that uses analog technology to accurately convert standard and high-definition video signals to a computer video format. The LMH1251 increases compatibility between different video standards and formats, allowing consumers to output video directly from DVD players, gaming devices and other devices to their personal computer monitors.
Press Release August 29, 2005
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National Semiconductor's LMV225/26/28/32 make up a family of RF power detectors for wireless applications that require high frequency and range, such as mobile phone power controls and power amplifier modules, wireless local area networks and global positioning system navigation modules. Linearity-in-dB, stability, reliability and accuracy are important criteria for RF applications. This family includes the smallest RF logarithmic (log) amp and mean-square detectors that meet these criteria.
Press Release July 5, 2005
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National's new amplifiers provide gigahertz speed and the industry's best large-signal bandwidth. Based on National's high-speed VIP10 manufacturing process, the 1.2 GHz LMH6703 amplifier and LMH6704 programmable gain buffer enable high signal fidelity and stability for improved performance in high-speed applications such as video, test and measurement, and other industrial applications
Press Release April 18, 2005
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Graph: This graph shows the LMH6703's Large Signal Bandwidth.
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National Semiconductor's two high-speed, low-distortion differential amplifiers and two high-speed, low-power, 12-bit analog-to-digital converters (ADCs) form a high-performance, high-fidelity and low-power signal-path solution. The analog signal path is the heart of demanding applications such as ultrasound imaging and communications systems. National's LMH6550 and LMH6551 amplifiers are optimized for driving high-speed ADCs such as the 12-bit ADC12DL040 and ADC12DL065.
Press Release March 28, 2005
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National Semiconductor's LMV1024/26 amplifiers put high-fidelity sound quality directly inside electret condenser microphones (ECMs). Previously, the large size and high cost associated with this effort kept manufacturers from implementing digital voice technology in wireless products. National overcame the size-and-cost barrier with the LMV1024 and LMV1026 by putting the digital modulation and gain inside the microphone to dramatically improve sound quality. By integrating several components and simplifying routing, National's "digital voice-in-a-mic" technology produces superior sound quality, reduces overall system cost and enables the smallest possible form factor.
Press Release March 14, 2005
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National Semiconductor's WEBENCH® Online Design Environment has been selected from hundreds of entries as the winner of EDN Magazine's 2004 Innovator/Innovation Awards. EDN selected National Semiconductor's WEBENCH Active Filter Designer as the winner in the EDA (electronic design automation) category for its ability to speed the creation of sophisticated filters for data acquisition and signal conditioning applications. Designed from the ground up, the online tool lets engineers design advanced, highly customized filters for all standard filter types: low pass, high pass, band pass and band stop.
Press Release March 9, 2005
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National's LMP8270/71/72 deliver remarkable accuracy due to their very low offset voltage and drift. Also, because of their high input common-mode voltage range, these parts are perfect for demanding applications, especially where current sensing is needed.
Press Release December 13, 2004
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National Semiconductor's LMH6574 is the industry’s fastest single 4:1 video multiplexing (MUX) amplifier, and the LMH6572 is the fastest dual-supply, triple 2:1 RGB (red, green, blue) MUX amplifier on the market. By leveraging its VIP10 process technology, National has achieved higher bandwidth and slew rates, faster switching times and lower crosstalk than any competitor. These features enable higher video resolutions with less video distortion for professional video, security systems, HDTV, NTSC and PAL video systems, analog video routers and switchers, and other video applications.
Press Release November 9, 2004
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National Semiconductor's LMV422 is the lowest supply current, dual power mode operational amplifier available on the market. It has a unique power-saving mode that allows customers to reduce power consumption while maintaining an active circuit. This allows for faster turn-on times in smoke detectors and other sensor interface applications where reaction time is critical.
Press Release October 11, 2004
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National's linear monolithic precision (LMP™) line addresses existing precision applications and positions National to provide next-generation products for a market that is increasingly focused on accuracy. The first parts in the new LMP family are the LMP2011, LMP2012 and LMP2014, for broad-based applications in industrial, medical and automotive electronics.
Press Release October 5, 2004
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National Semiconductor's LMH6533 laser diode driver has extremely fast switching rates and very low output current noise with low power consumption. The reduced power consumption provides better heat dissipation in the system, while the low noise allows the fastest read times for optical disk drives. The LMH6533 is designed for combination DVD/CD recorder optical storage devices used in desktop, notebook and consumer DVD video recorders.
Press Release August 16, 2004
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The high-speed LMH6738 and LMH6739, created using National’s proprietary VIP10 process technology, are designed for applications requiring high bandwidth and low distortion. Operating at 750 MHz small signal bandwidth, these high-performance devices drive today’s highest-resolution video signals in LCD projectors, multi-media, video switching and routing, conference room and HDTV systems.
Press Release July 6, 2004
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In June, 2004, National Semiconductor introduced new microchips in the world's thinnest packages. As thin as four sheets of office paper, National's new 0.4 mm chips enable manufacturers to create super-slim cell phones, flat-panel displays, PDAs, MP3 players and other devices. National introduced two new Amplifier Microphone products in ultra-thin packages, and will soon debut power management, wireless and other types of integrated circuits in the new paper-thin packages.
Press Release June 7, 2004
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The LMH6723, LMH6724 and LMH6725 current feedback (CFB) amplifiers, created using National’s unique VIP10 process technology, are designed for applications requiring high-speed performance with very low power consumption. With this key mix of high speed, high output current and low power, these new amplifiers integrate National's strengths in analog design and processing technology.
Press Release June 7, 2004
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National Semiconductor introduced three new variable gain amplifiers (VGA) designed as higher-performance substitutes for the company’s popular Comlinear (CLC) line of amplifiers. With the introduction of the LMH6502/03/04, National now offers a portfolio of 18 high-speed LMH replacements for CLC products. These products are ideal for use in applications such as professional and consumer video equipment, high-speed digital subscriber line (DSL) modems and cellular base stations, displays, as well as instrumentation, test and medical systems.
Press Release December 1, 2003
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The LMH6559 and LMH6560 are two new high-speed LMH buffer amplifiers that increase bandwidth and minimize distortion for high-performance video applications. Derived from National’s unique VIP10 process technology, these amplifiers are designed for applications in test equipment, video switching and routing, medical imaging, professional video cameras and other high-performance applications.
Press Release May 12, 2003
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Featuring ultra-low distortion and wide bandwidth, National's 10 new high-speed amplifiers combine National's strengths in analog design, unique VIP10™ processing technology, reliable manufacturing and price/performance leadership.
Press Release February 10, 2003
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The LMV1012 and LMV1014 are the market’s first "amps in a mic," integrated directly inside 2- and 3-wire electret condenser microphones (ECMs). These amplifiers replace the junction field effect transistor (JFET), for longer battery life and greater noise immunity, resulting in better microphone performance. These products are ideal for use in microphones in mobile handsets, headset accessories and other portable microphone applications.
Press Release November 12, 2002
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National's LMH6628, LMH6715 and LMH6718 were all developed using the VIP10™ process and are the first replacement parts for the CLC amplifiers portfolio.
Press Release July 22, 2002
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The LMH6622, LMH6639, and LMH664 are three new LMH amplifier products for the high-speed analog market that are based on National’s industry-leading VIP10 manufacturing process. These new products offer low noise, low power, and high bandwidth for communications and other high-speed applications such as xDSL modems, cable and set-top boxes, contact image scanners and DVD players.
Press Release January 28, 2002
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National Semiconductor's LMH™ family of high speed operational amplifiers, designed on National's VIP10 manufacturing process, are optimized for use in communications applications such as xDSL, set-top boxes and other consumer applications.
Press Release April 2, 2001
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The high-speed amplifiers LMH6672 and LMH6654/55 are giving designers full rate ADSL transceiver capability at low supply voltages.
Press Release April 2, 2001
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The LMH6645/46 true single supply RRIO amplifiers offer high speed (80MHz), low distortion and high performance video quality at low supply current. In addition the LMH6647 provides micropower shutdown capability. For more bandwidth the LMH6642/43 RRO amplifiers offer 130MHz with exceptional high output current of 100mA.
Press Release April 2, 2001
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The LM7372 is a dual, low-cost, high-speed line driver. The LM7372 is designed to drive twisted pair applications such as ADSL Lite, ADSL Customer Premise Equipment (CPE) and other xDSL applications such as VDSL and HDSL, as well as other general twisted pair applications.
Press Release November 21, 2000
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The LMV7251/55 and the LMV7235/39 are comparators housed in National’s tiny SC-70 Silicon Dust™ packages. These products are ideal for a number of battery-powered portable consumer applications, including cellular phones, notebooks and PDAs.
Press Release October 31, 2000
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The LM8272 is a dual rail-to-rail operational amplifier ideally suited for desktop and notebook TFT-LCD displays.
Press Release October 2, 2000
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The CLC5506 is the first digitally programmable integrated circuit to achieve a fine 0.25dB step resolution, making its resolution four times better that any other digitally controlled variable gain amplifier (DVGA).
Press Release July 6, 1999
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The LMV721, LMV722 and LMV751 are low noise additions to National's popular LMV line of low power, low voltage Silicon Dust™ operational amplifiers.
Press Release June 28, 1999
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National Semiconductor's LMV921 is the first amplifier in National's popular LMV product line to operate at 1.8V with rail-to-rail input and output.
Press Release May 3, 1999
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The CLC5526, National Semiconductor's 350MHz DVGA (digitally controlled, variable gain amplifier), expands the dynamic range of IF-sampled communications receivers by 42dB.
Press Release March 29, 1999
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National's LMV321 operational amplifier (left) contains 50 transistors and is about the size of the head of a match. The LMC6035 (right) contains 114 transistors and is about the size of a grain of sand.
Press Release March 10, 1998
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When it was introduced in March 1998, National Semiconductor's LMV321 operational amplifier was the world's smallest integrated circuit. It is used in phones, games and many other electronic devices.
Press Release March 10, 1998
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National's LMC6035 operational amplifier chip fits on the head of a pin. Housed in a revolutionary micro Surface Mount Device packaging technology, it packs 114 transistors into a flea-sized chip.
Press Release November 11, 1996
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A single six-inch (150 mm) wafer of silicon yields tens of thousands of chips for National's LMV321 operational amplifier. The diamond and the pile of chips, are each valued at about $20,000.
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