National Semiconductor Corp.
Santa Clara, CA 95051
Share:
Low-Noise Op-Amp operates up to 24 V.
Available in SOT23-5 package, LM6211 rail-to-rail output CMOS op-amp meets requirements of industrial and telecommunications applications with its 20 MHz wide bandwidth, single supply-voltage range of 5-24 V, and 0.5 pA low input bias current. It improves signal fidelity in wireless and sensor interface applications, featuring input voltage noise of 5.5 nV/sqrt Hz @ 10 kHz and 10 fA/sqrt Hz input...
Read More »Audio Subsystem features both digital and analog inputs.
LM4934 BoomerÃ-® stereo audio subsystem integrates audio amplifiers, volume control, mixer, power management control, and 3D stereo sound-enhancement technology into 3.3 x 3.9 mm, 42-bump micro SMDxt package. Unit offers I2S digital and 3 analog inputs, multiplexer IC, 25 mW mono earpiece output, and separate line out to drive external audio devices. LM4934 routes and mixes stereo and mono...
Read More »Class D Audio Amplifiers come in micro SMD packages.
Offered in 1.4 x 1.4 x 0.4 mm package, LM4673 fully differential, single-supply, 2.5 W Class D switching mono audio amplifier facilitates layout in space-restricted applications and has typ quiescent current of 2.1 mA at 3.6 V supply. With typ quiescent current of 4 mA at 3.6 V, LM4674 is 2.4 W stereo Class D audio power amp that comes in 2 x 2 x 0.5 mm package. Designed for portable audio...
Read More »Micro IC Package targets mobile applications.
Building on micro SMD, micro SMDxt integrated circuit package enables design of products with bump counts of 42-100 bumps at 0.5 mm pitch without any underfill. Package height of 0.65 mm enables integration into thin-profile consumer products. Epoxy back coating protects against silicon damage during manufacturing, while self-aligning solder bumps facilitate surface mount assembly and rework.
Read More »Audio Subsystem features mono Class D speaker driver.
Integrating all analog and digital audio functions needed for smart phones and VoIP phones, BoomerÃ-® Model LM4935 operates on supplies ranging from 1.8-5.5 V. It combines Class D speaker amplifier delivering 570 mW into 8 ohm load, stereo headphone amplifier delivering 30 mW/channel into 32 ohms, mono earpiece amplifier delivering 30 mW into 32-ohm load, and line output for external-powered...
Read More »Precision Amplifiers operate within -40 to +125-
Fixed-gain differential amplifiers LMP8275, LMP8277, and LMP8276 feature -2 to 27 V input common-mode voltage range and supply voltage range of 4.75-5.5 V. Tri-temperature testing ensures low temperature coefficient for offset voltage drift. Gain is fixed at 20 for high common-mode LMP8275/6 and at 14 for high common-mode bidirectional LMP8277. Low offset voltage of less than 2 mV and offset...
Read More »LVDS Transmitters/Receivers have extended temperature rating.
Capable of 400 Mbps performance, LVDS physical layer devices (PHYs) include DS90LV011AH transmitter, DS90LT012AH receiver, DS90LV027AH dual transmitter, DS90LV028AH dual receiver, and DS90LV049H integrated dual transceiver. All products are optimized for driving signals through cable harnesses in systems operating in harsh environments with temperatures from -40 to +125Ã-
Read More »PoE Device Controller works with low-voltage sources.
Designed for PoE devices that operate from alternative power sources or PoE-enabled network, LM5071 Powered Device interface and dc-dc converter IC is IEEE 802.3af-compliant PWM controller with programmable oscillator frequency to 1 MHz. Single-chip solution features current-mode dc-dc controller, user-programmable under-voltage threshold and hysteresis, and fault current control loop. With 50%...
Read More »Audio Amps drive ceramic speakers in portable applications.
Single-chip BoomerÃ-® audio power amplifiers, LM4962 and LM4953, provide high capacitive load and require only 5 mmÃ-² board space. Measuring 0.7 mm thick, chips integrates boost converter with audio power amp for mono ceramic speaker applications. For stereo applications, boost converter of LM4962 also can drive second external audio high-voltage amp. Models LM4962 and LM4953...
Read More »Ethernet Transceivers deliver real-time performance.
Available in commercial, industrial, and extreme environment models, application-specific PHYTERÃ-® 10/100 physical layer Ethernet Transceivers provide error-free operation over 137 m of cable, exceeding IEEE 802.3u specification. They interface directly to MAC devices and feature Auto-MDIX, allowing straight or cross-over cables to be used transparently by end user. Software utility provides...
Read More »