National Semiconductor Corp.

Sensors, Monitors & Transducers

National Semiconductor Expands Family of Precision Temperature Sensors with Patent-Pending TruTherm Technology

TruTherm Technology with Transistor-Mode Beta Compensation Provides Pinpoint-Accurate Temperature Readings for Microprocessors Developed on 65 nm, 90 nm Processes SANTA CLARA, Calif., Aug. 28-- National Semiconductor Corporation (NYSE:NSM) today introduced a family of high- precision, remote-diode temperature sensors that employ National's TruTherm(TM) thermal management technology with...

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Buck Regulators come in ultra-small package.

Available in SOT23-5 and/or 6-lead LLP packages, LM283x Family of monolithic PWM step-down dc/dc converters suits low voltage point-of-load power applications. Model LM2830, LM2831, and LM2832 provide 1, 1.5, and 2 A output current, respectively, and are available with switching frequencies of 1.6 MHz, 3 MHz, or 550 kHz. Features include internal soft-start circuitry to reduce in-rush current,...

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Electrical Equipment & Systems

ADC targets test and measurement applications.

With input bandwidth of 3 GHz and power consumption of 1.8 W, Model ADC083000 can digitize input signals into 8 bits at sampling speeds up to 3 GS/sec. Adjustable sampling clock phase allows designers to interleave multiple ADCs without external clock-adjustment circuits. It offers 1:4 de-multiplexed outputs standard for simplified data capture or 1:2 output mode for reduced pin count when...

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Agricultural & Farming Products

PWM Buck Controller powers ASICs, FPGAs, and DSPs.

Utilizing emulated-current-mode architecture, LM3495 PWM Buck Controller has 200 kHz to 1.5 MHz switching frequency that can be synchronized to reduce radiated system noise. Input voltage is from 2.9-18 V for use in 3.3 V, 5.0 V, 12 V, and intermediate-bus systems, and output voltage ranges from 0.6-5.5 V. Available in TSSOP-16 package, unit operates from single input rail. Features include...

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Communication Systems & Equipment

Audio Amplifiers come in 0.4 mm-pitch micro SMD package.

Measuring 1.2 x 1.2 mm, LM4941 1.25 W fully differential, BoomerÂ-® Class AB audio amp integrates RF suppression circuitry to prevent output from picking up noise and injecting it back into signal path. It rejects common-mode noise and offers quiescent current of 1.7 mA at 5 V supply. Used as capacitive-coupled or output capacitor-less device, LM4985 stereo headphone, BoomerÂ-® Class AB...

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Construction Equipment and Supplies

National Semiconductor Introduces Industry's Lowest Power Serial Digital Interface Products

Six new high-definition and standard-definition SDI products for the professional broadcast video market NATIONAL ASSOCIATION OF BROADCASTERS CONVENTION, LAS VEGAS, Nevada - April 19, 2006 - National Semiconductor Corporation (NYSE:NSM) today introduced six serial digital interface (SDI) products for professional broadcast video applications. The new products each represent unique industry...

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Software

LED Drivers are suited for display backlighting.

Models LM27951, LM27952, and LM27964 inductorless white LED drivers feature dual-gain architecture that enables regulators to select between 1 or 2 gains from input voltage to output voltage. Adaptive 1.5X/1X switched-capacitor current drivers include PWM brightness control, and offer current matching at 1% between each LED. Model LM27951 and LM27952 drive up to 4 LEDs with 30 mA, while LM27964...

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Electrical Equipment & Systems

Power Management Devices feature dynamic voltage scaling.

Designed to optimize multimedia processor performance, LP3971 power management unit (PMU) and LM3370 integrated, dual-channel, step-down DC-DC converter feature digital I2C compatible interface that enables customization of electrical specifications. Digitally programmable, multiple-output power management devices include buck regulators that provide over 90% efficiency throughout entire load...

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Half-Bridge PWM Controller has precision 5 V output.

Designed to minimize overall solution size of half-bridge dc-dc converters, LM5035 integrates half-bridge, voltage-mode PWM controller with high- and low-side 2 A peak gate drivers and 2 programmable, secondary-side synchronous rectifier FET drivers. It contains all features necessary to implement half-bridge-topology power converters using voltage-mode control with line feed-forward...

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