National Semiconductor Corp.
Santa Clara, CA 95051
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Instrumentation Amplifier includes on-chip diagnostics.
By allowing users to detect shorts, open circuits, and degraded source connections in remote industrial applications, Model LMP8358 facilitates pressure and thermocouple bridge measurements. Zero-drift, programmable amplifier operates from single 2.7-5 V supply, providing 10 Ã-µV max offset voltage and 50 nV/C max offset voltage drift. Supplied in 14-pin SOIC and TSSOP packages, amplifier...
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New Isolated DC-DC Converter Development Tools Increase Power Density of Modular and Embedded Power Supplies
National Semiconductor, Silicon Labs Offer Reference Design and Evaluation Board for Networking and Communications Applications SANTA CLARA, Calif. and AUSTIN, Texas -National Semiconductor Corp. (NYSE:NSM) and Silicon Laboratories Inc. (Nasdaq:SLAB) today announced a new quarter-brick isolated DC-DC converter evaluation board and reference design to help power supply designers get higher power...
Read More »Stereo Headphone Amplifier doubles audio playback time.
Housed in 1.7 x 1.7 x 0.4 mm-pitch micro SMD package, PowerWiseÃ-® LM48824 Class G Amplifier draws 0.9 mA quiescent current to double audio playback time of smart phones, mobile phones, and portable music players. Unit includes 32-step I2C compatible volume control with mute and delivers 37 mW/channel into 16 W load with less than 1% THD+N at 3.6 V. High PSRR of 105 dB at 217 Hz enables...
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Class D Audio Subsystems simplify portable product designs.
Mixed-signal audio subsystem (LM49352) integrates audio codec functionality with ground-referenced headphone amps, earpiece driver, Class D loudspeaker, and audio DSP in 3.3 x 3.3 mm package. Analog subsystem (LM49151) integrates earpiece driver, Class D loudspeaker, ground-referenced headphone amps, and automatic level control (ALC) in 2.2 x 2.6 mm package. Applications include smart phones,...
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LED Driver delivers full-range, flicker-free dimming.
Offered in 10-pin mini SOIC package, LM3445 enables off-line, uniform, flicker-free dimming of high-brightness LEDs with TRIAC forward or reverse phase-control wall dimmer. It delivers full 100:1 range of dimming capability and can maintain greater than 1 A of constant current to LED strings. With control architecture that maintains constant ripple through LEDs, driver maximizes light output for...
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Micropower Op Amps feature offset voltage of 150 -µV.
Built on VIP50 BiCMOS process technology, PowerWise LMP223x Series consumes less than 16 Ã-µW per channel while providing 130 kHz usable bandwidth and TCVOS as low as Ã-
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PCIe Quad Equalizer extends backplane and cable reach.
Consuming of 100 mW (typ) per channel, PowerWise DS50EV401 supports PCIe Gen1 (2.5 Gbps), PCIe Gen2 (5 Gbps), and PCIe Gen3 (8 Gbps) data rates. Solution compensates for transmission medium losses, reducing deterministic jitter on 4 data transmission channels. Receive boost of 20 dB equalizes up to 10 m of PCIe cable or 40 in. of FR-4 PCB at data transmission rates up to 5 Gbps, with less than...
Read More »High-Speed ADC has continuous-time sigma-delta architecture.
Supplied in 10 x 10 mm, 68-pin LLPÃ-® package, PowerWiseÃ-® ADC12EU050 is 8-channel, 12-bit, 40-50 MSPS ADC that offers alias-free sample bandwidth up to 25 MHz. Its continuous-time sigma-delta (CTSD) architecture allows integration of other signal-path functions, such as signal conditioning, while incorporating brickwall anti-aliasing filtering. Operating from 1.2 V supply, it consumes...
Read More »Audio Buffer reproduces high-dynamic input signals.
Designed for use inside op amp's feedback loop, Model LME49600 produces output current to drive multiple low-impedance headphones and voltage swing to drive several high-impedance headphones. Device delivers 180 MHz bandwidth with slew rate of 2,000 V/Ã-µs and 2.6 nV/rtHz input referred voltage noise density. Operating from supply voltage of Ã-
Read More »HiFi Audio Op Amps feature THD+N of 0.00003%.
Exhibiting linear behavior, LME(TM) high-fidelity audio operational amplifiers have low-input noise density of 2.7 nV/sqrt Hz, 1/f noise corner of 60 Hz, and 600 W output drive. While 44 V-rated LME49860 (dual) is unity-gain stable over supply range Ã-
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