National Semiconductor Corp.
Santa Clara, CA 95051
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Audio Power Amplifier includes integrated Baker Clamp.
Supplied in 15-lead TO-247 package, LME49810 conserves space and design time by containing all essential audio circuitry. Single-chip 200 V power amplifier output stage driver, with integrated Baker Clamp, drives high-power discrete transistors in systems delivering up to 3,000 W. When implemented in complete power amplifier design, THD+N is 0.0007%. Along with 50 mA output current capability,...
Read More »Integrated Circuits augment portable processing.
Models LM8322 and LM8333 Mobile input/output (I/O) companion integrated circuits enable designers to expand system functionality in portable products. These flexible, modular circuits facilitate re-partitioning of systems by offloading tasks from processors. Chip features embedded key-scan functions, I/O expansion and LED control capability, I2C compatible ACCESS.bus interface in slave mode up to...
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Ceramic Speaker Driver comes in 1.5 x 2.0 mm SMD package.
Designed to drive ceramic speakers in cell phones, smartphones, notebook computers, and other small handheld devices, Model LM48555 delivers 15.7 V peak-to-peak from 3 V dc power supply with less than 1% total harmonic distortion plus noise, and offers low quiescent current of 7.5 mA from 5 V supply. Featuring ceramic speaker load equivalent to 1 Ã-µF + 20 W and PSRR of 80 dB at 217 Hz,...
Read More »PoE Controller features adjustable output current level.
With ability to interface with any dc-dc converter topology, Model LM5073 integrates programmable interface port including hot-swap controller that exceeds standard IEEE 802.3af specifications, allowing designers to operate PoE appliances at power levels of 30 W or more. It supports powered device designs that are compliant with IEEE 802.3af standard and integrates 100 V, 700 mW, N-channel MOSFET...
Read More »PoE PD Controller has adjustable output current level.
Offered in 14-pin TSSOP package with exposed pad, Model LM5073 integrates 100 V, 700 mW, N-channel MOSFET as well as powered device (PD) signature and under-voltage lockout resistors. Unit allows designers to operate PoE appliances at power levels of 30 W or more, and supports IEEE 802.3af compliant PD designs. It provides configurable front and rear auxiliary inputs that accept power from ac...
Read More »Comparators feature sub-nanosecond propagation delay.
With 700 ps propagation delay, dual 21 mA Model LMH7322 features rise and fall times of 160 ps and dispersion of 5 ps at greater than 100 mV overdrive. Separate input and output supply pins enable level-shifting applications. Providing propagation delay of 2.9 ns, single Model LMH7220 features 0.6 ns rise and fall times and consumes 6.8 mA at 5 V. LVDS output drives 325 mV into 100 W symmetrical...
Read More »National Semiconductor to Showcase New, Industry-Leading Low-Jitter Analog Products for Professional and Broadcast Video at NAB 2007
What: National demonstrates its high-performance analog chip solutions at NAB Where: Booth N5117 at Las Vegas Convention Center, Las Vegas, Nevada When: April 16 - 19, 2007 SANTA CLARA, Calif., April 13 -- National Semiconductor Corporation (NYSE:NSM) will showcase its latest industry- leading low-jitter digital and analog video products for the professional and broadcast markets at the National...
Read More »SerDes suits professional and broadcast video applications.
With output jitter of 50 ps, SDI Chipset consists of LMH0340 3G serializer with integrated cable driver and LMH0341 deserializer with reclocked serial loop-through. Products provide 3 Gbps transmit and receive functions for wide range of broadcast video production and processing applications. Chipset supports Society of Motion Picture and Television Engineers 424M specifications for uncompressed...
Read More »SDI Chipset supports SMPTE 424M specification.
Comprised of LMH0344 adaptive cable equalizer, LMH0346 reclocker, and LMH0302 cable driver, 3 Gbps Serial Digital Interface Chipset is suited for serial routing and distribution as well as video production and processing applications. It supports 1,080p HD broadcast video at up to 60 frames/sec. Equalizer guarantees less than 0.3 UI of alignment jitter, while reclocker automatically detects and...
Read More »Buck Regulator powers low input-voltage digital ICs.
Offering 95% efficiency, SIMPLE SWITCHERÃ-® LM2853 accepts input voltage from 3-5 V and is offered in voltage options of 0.8, 1.0, 1.2, 1.5, 1.8, 2.5, 3.0, and 3.3 V. Synchronous, step-down voltage regulator features fixed switching frequency of 550 kHz, as well as soft-start and enable functions that permit supply sequencing and in-rush current reduction. Offered in 4.4 x 5 x 0.90 mm TSSOP...
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