Linear Technology Corp.
Milpitas, CA 95035
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Dual Supply Monitors provide variety of thresholds.
Offered in 8-pin ThinSOT(TM) and DFN packages, Models LTC2904 and LTC2905 feature 9 combinations of input threshold levels. Models LTC2906 and LTC2907 provide one input, adjustable to as low as 0.5 V, and another with 3 possible voltage selections. ICs offer selectable supply tolerance of 5%, 7.5%, and 10%, and threshold and tolerance levels are chosen by 3-state input pins. Features include Ã-
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Converter offers direct IF sampling up to 500 MHz.
Housed in 48-Pin TSSOP package, LTC1750 analog to digital converter (ADC) simplifies basestation design by eliminating second intermediate frequency (IF) down-conversion stage. This 80 Msps, 14-bit ADC undersamples up to 500 MHz input frequencies and delivers 84 dB spurious free dynamic range with 140 MHz inputs and 74 dB SFDR with 350 MHz inputs. Features include configurable I/O, on-chip PGA,...
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DC/DC Converter drives up to 20 LEDs.
Housed in 3 x 3 mm, 10-lead DFN package, LT3466 dual, full function, step-up DC/DC converter drives up to 20 white LEDs from one Li-Ion battery. Current mode and fixed frequency operation ensure uniform LED brightness, and 2 independent converters are capable of driving asymmetric LED strings from input voltage of 2.7-24 V with efficiencies to 81%. Switching frequency can be set between 200 kHz...
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CCFL Regulator backlights handheld computer displays.
Model LTC1697, rated at 1 W and housed in compact MSOP-10 package, drives one cold cathode fluorescent lamp (CCFL). It operates from 2.8-5.5 V input voltage, has 300 kHz fixed frequency operation, and incorporates internal PWM dimming system. Its 0.8 V reference and internal current sense maintain accurate lamp current. Synchronous current mode PWM control, with internal 1 A MOSFET switches,...
Read More »Zero-Drift Amplifier suits portable instrumentation.
Housed in 5-Pin SOT-23 (ThinSOT(TM)) package, LTC2054 and LTC2054HV zero-drift amplifiers require 175 Ã-µA max supply current over industrial temperature range of -40 to +85Ã-
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Low Dropout Regulator features dropout voltage of 300 mV.
Model LT3024 low dropout, micropower regulator offers both 500 and 100 mA outputs. It operates from input voltage of 1.8-20 V, delivering dual outputs at voltages as low as 1.22 V. With 0.01 Ã-µF bypass capacitor, output noise is 20 Ã-µVRMS over 10 Hz to 100 kHz bandwidth. Suited for battery-powered systems, low 30 Ã-µA quiescent current per channel helps regulator maximize battery...
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DC/DC Converter offers output disconnect and soft start.
Current-mode, synchronous-boost, 500 kHz Model LTC3429 provides inrush current limiting. Internal 0.35 and 0.45 ohm switches provide 600 mA current limit and deliver output voltage up to 5 V from input voltage of 0.5-4.4 V. Unit delivers loads up to 100 mA of continuous output current from single alkaline cell. Synchronous rectification enables efficiencies up to 96%, while Burst ModeÃ-®...
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Low-Noise Op Amps draw only 1.15 mA.
Offered in Tiny ThinSOT(TM), DFN, SO-8 and SSOP packages, operational amplifiers feature rail-to-rail outputs and are specified for 3.3 V operation. Models LTÃ-®6233/4/5 are single/dual/quad rail-to-rail output, unity gain stable op amps that feature 1.9 nV/rtHz noise voltage, 60 MHz gain bandwidth, and 17 V/Ã-µs slew rate and draw 1.15 mA of supply current per amplifier. Models...
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Compact ADC suits industrial imaging applications.
Offered in 10-Pin MSOP package, LTC1403 consists of 14-bit, 2.8 Msps, serial Analog to Digital Converter (ADC) that offers AC and DC performance of 73.5 dB SINAD, Ã-
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Power Over Ethernet Controllers work autonomously.
Compliant with IEEE 802.3af specification, Models LTC4258/9 are quad PoE controllers that provide autonomous operation for power sourcing equipment, sequencing through required tasks without processor intervention. Model LTC4258 implements 802.3af detection and classification, current limiting for normal and fault operation, and DC disconnect detection. Model LTC4259 adds ability to implement AC...
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