National Manuals

LMH6718 is a dual, low cost high speed (130MHz) buffer which features user programmable gains of +2, +1, and -1V/V

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The LMH6715 is a dual wideband video op amp that combines high speed, low power consumption, low noise, and low distortion. It provides a small signal bandwidth of 400MHz at a gain of +2V/V and a slew rate of 1300V/µs. The LMH6715 offers exceptional video performance with 0.02% and 0.02˚ differential gain and phase errors for driving up to four back terminated 75Ω loads. Additionally, each amplifier can deliver 70mA of output current. It is suitable for high density, broadcast quality video systems, as well as applications such as differential line drivers and receivers.

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LMH6714/6720/6722 is a high speed video op amp, which features 400MHz small signal bandwidth, 1800V/µs slew rate and 0.01% and 0.01˚ differential gain and phase errors.

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The LMH6704 is a high-performance, high-dynamic-range video amplifier from National Semiconductor that provides +1, +2, and -1 V/V user-programmable gain. With a 650 MHz small-signal bandwidth (AV = +1), full power gain flatness to 200 MHz, and excellent differential gain and phase, the LMH6704 is optimized for video applications. The LMH6704 is fabricated using National Semiconductor's proprietary high-speed complementary bipolar process and employs National Semiconductor's proven current feedback circuit architectures. It is available in 8-pin SOIC and 6-pin SOT23 packages.

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LMH6702 is a ultra low distortion, wideband op amp from National Semiconductor. It has 720MHz bandwidth, 10-bit distortion levels through 60MHz, 1.83nV/ input referred noise and 12.5mA supply current. It is ideal for high-speed flash A/D and D/A converters.

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LMH6682/6683 is a high performance single supply op amp from National Semiconductor, with a bandwidth of 190MHz, a slew rate of 940V/µsec, and an accuracy of ±0.01%.

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The LMH6678 is a low power 2-channel central-office xDSL driver that uses dual current feedback op amps to achieve a fixed gain of AV = +5.4, with high integration and low power consumption. It can provide 580 mW at 19.8 dBm line output power. The LMH6678 can also be put into a listen mode to maintain the termination for receive signals with 100 mW/Ch power dissipation. The LMH6678 has two separate 2-bit power control inputs compatible with 3.3V CMOS for each channel, which enable independent control of line status. When the drivers for both channels are shut off, power consumption drops to only 6 mW. Thermal Shutdown function protects the IC from a shorted line fault or system over temperature. The LMH6678 is available in a 5mm x 4mm 24-lead LLP package.

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The LMH6672 is a dual high speed op amp from Texas Instruments that has the ability to drive signals within 1V of the power supply rails. It features the high output drive with low distortion required for the demanding application of a single supply xDSL line driver.

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The LMH6654/55 is a single/dual channel, low power, 250MHz, low noise amplifier from National Semiconductor. It has a true single supply capability with an input common mode voltage range of -5.15V to +3.7V. The LMH6654/55 is ideal for many portable, high speed applications where power is at a premium.

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The LMS75ALS176A is a bidirectional data communications transceiver from TI that meets ANSI standards TIA/EIA RS422-B, TIA/ EIA RS485-A and ITU recommendation V.11 and X.27. It combines a TRI-STATE™ differential line driver and differential input receiver, both of which operate from a single 5.0V power supply. The driver and receiver have an active high and active low enable, respectively, that can be externally connected to function as a direction control. The driver and receiver differential inputs are internally connected to form differential input/output (I/O) bus ports that are designed to offer minimum loading to bus whenever the driver is disabled or when VCC = 0V. These ports feature wide positive and negative common mode voltage ranges, making the device suitable for multipoint applications in noisy environments.

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LMH6645/46/47 2.7V, 650µA, 55MHz, Rail-to-Rail Input and Output Amplifiers with Shutdown Option are low voltage operational amplifiers with high input common mode range, high output voltage range, low supply current, low shutdown current and miniature packages.

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LMH6642EP/LMH6643EP/LMH6644EP are Bosch enhanced plastic low power, 130MHz, 75mA rail-to-rail output amplifiers. Compared with existing devices with similar performance, this product family offers high speed (130MHz), low distortion (-62dBc), and exceptionally high output current (approximately 75mA) at low cost and with reduced power consumption. Input common mode voltage range extends to 0.5V below V- and 1V from V+. Output voltage range extends to within 40mV of either supply rail, allowing wide dynamic range especially desirable in low voltage applications. The output stage is capable of approximately 75mA in order to drive heavy loads. Fast output Slew Rate (130V/µs) ensures large peak-to-peak output swings can be maintained even at higher speeds, resulting in exceptional full power bandwidth of 40MHz with a 3V supply. These characteristics, along with low cost, are ideal features for a multitude of industrial and commercial applications. Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency response characteristic (0.1dB gain flatness up the 12MHz under 150Ω load and AV = +2) with minimal peaking (typically 2dB maximum) for any gain setting and under both heavy and light loads. This along with fast settling time (68ns) and low distortion allows the device to operate well in ADC buffer, and high frequency filter app

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The LMH664X family is a 3V single-supply voltage feedback amplifier with high speed (130MHz), low distortion (-62dBc), and exceptionally high output current (approximately 75mA), at a low cost and reduced power consumption compared to existing devices with similar performance. The input common mode voltage range extends to 0.5V below V- and 1V above V+. The output voltage range extends to within 40mV of either supply rail, allowing wide dynamic range, especially desirable in low voltage applications. The output stage is capable of approximately 75mA to drive heavy loads. Fast output slew rate (130V/µs) ensures large peak-to-peak output swings can be maintained even at higher speeds, resulting in an exceptional full power bandwidth of 40MHz with a 3V supply. These characteristics, along with low cost, are ideal features for a multitude of industrial and commercial applications. Device stability has been carefully considered under all operating voltages and modes. The result is a very well-behaved frequency response characteristic (0.1dB gain flatness up to 12MHz under 150Ω load and AV = +2) with minimal peaking (typically 2dB maximum) for any gain setting and under both heavy and light loads. This, along with fast settling time (68ns) and low distortion, allows the device to operate well in ADC buffer and high-frequency filter applications, as well as other applications.

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The LMH6639 is a 190MHz single supply operational amplifier using National's patented VIP10 process, with a rail-to-rail output drive capability of 110mA.

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The LMH6628 is a high-speed dual op amp from National that offers a traditional voltage feedback topology featuring unity-gain stability and slew-enhanced circuitry. The LMH6628's low noise and very low harmonic distortion combine to form a very wide dynamic range op amp that operates from a single (5 to 12V) or dual (+5V) power supply. Each of the LMH6628's closely matched channels provides a 300MHz unity gain bandwidth and low input voltage noise density (2nV/SqRtHz). Low 2nd/3rd harmonic distortion (-65/-74dBc at 10MHz) makes the LMH6628 a perfect wide dynamic-range amplifier for matched I/Q channels. With its fast and accurate settling (12ns to 0.1%), the LMH6628 is also an excellent choice for wide dynamic range, anti-aliasing filters to buffer the inputs of hi resolution analog-to-digital converters. Combining the LMH6628's two tightly matched amplifiers in a single package reduces cost and board space for many composite amplifier applications such as active filters, differential line drivers/receivers, fast peak detectors and instrumentation amplifiers. The LMH6628 is fabricated using National's VIP 10 (TM) comlimentary bipolar process.

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LMH6624/LMH6626 offer wide bandwidth (1.5GHz for single, 1.3GHz for dual) with very low input noise (0.92nV/ , 2.3pA/ ) and ultra low dc errors (100µV VOS, ±0.1µV/˚C drift) providing very precise operational amplifiers with wide dynamic range. This enables the user to achieve closed-loop gains of greater than 10, in both inverting and non-inverting configurations.

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The LMH6622 is a dual high speed voltage feedback operational amplifier specifically optimized for low noise. It has a voltage noise specification of 1.6nV/, a current noise specification of 1.5pA/, a bandwidth of 160MHz, and a harmonic distortion specification that exceeds 90dBc, making it an ideal choice for the receive channel amplifier in ADSL, VDSL, or other xDSL designs. The LMH6622 operates from ±2.5V to ±6V in dual supply mode and from +5V to +12V in single supply configuration. The LMH6622 is stable for AV ≥ 2 or AV ≤ −1. The fabrication of the LMH6622 on National Semiconductor’s advanced VIP10 process enables excellent (160MHz) bandwidth at a current consumption of only 4.3mA/amplifier. Packages for this dual amplifier are the 8-lead SOIC and the 8-lead MSOP.

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The LMH6618 is a 130 MHz rail-to-rail input and output operational amplifier designed for ease of use in a wide range of applications requiring high speed, low supply current, low noise, and the ability to drive complex ADC and video loads.

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