Circuits

COFDM Demodulator facilitates DTV broadcast reception.

COFDM Demodulator facilitates DTV broadcast reception.

DRX 3973D consists of COFDM (coded orthogonal frequency division multiplex) demodulator IC that addresses atmospheric and dynamic interferences with adaptive compensation schemes. It makes reception possible in vulnerable DVB-T (Digital Video Broadcast Terrestrial) regions, as found in fringe signal areas and indoor reception. Features include integrated PGA, progressive channel estimator...

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Power-Supply Tracker controls up to 4 supplies.

Power-Supply Tracker controls up to 4 supplies.

Available in 24-pin SSOP and 24-lead DFN packages, LTC2925 power-supply tracking controller provides power-up and power-down profiles for systems with up to 4 supplies. By configuring resistors, IC ramps supplies up and down together with voltage offsets, time delays, or different ramp rates. Power-up timeout circuitry turns off supplies if external voltage monitor fails to indicate that all...

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Controller and Power Module suit Ethernet-powered appliances.

Controller and Power Module suit Ethernet-powered appliances.

Model TPS2375 IC controller manages discovery, classification, and delivery of dc power to powered device, while providing power management control and protection. It withstands transients to 100 V and features 15 kV system-level ESD capability. Power-over-Ethernet plug-in power module PTB48540 helps detect, classify, and deliver up to 10 W of dc power. Requiring external Power-over-Ethernet...

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Power Conversion IC utilizes soft drive circuitry.

Power Conversion IC utilizes soft drive circuitry.

Optimized for worldwide input SMPS applications, Series MR2900 integrates high-speed 900 V IGBT power switch, pulse frequency modulation controller, onboard start-up circuit, and protection functions. Seven amp Model 2920 features 150 W output capacity, while 10 A Model MD2940 offers 225 W rating. Using multiple chip module structure approach, series is housed in 7-pin isolated ZIP package....

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I2C Buffer translates backplane and card logic levels.

I2C Buffer translates backplane and card logic levels.

Housed in 8-pin MSOP and DFN, 3 x 3 mm packages, LTC4301 supply independent, hot-swappable, 2-wire bus buffer allows I/O card insertion into live backplane without corruption of bus data and clock lines. IC provides capacitive isolation between backplane and I2C busses, and SDA and SCL pins withstand 8 kV ESD. When I2C is distributed over a backplane, backplane bus sees only capacitance of buffer...

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Digital Bus Switches come in 2-10 channel versions.

Digital Bus Switches come in 2-10 channel versions.

NanoSwitch products include PI3CH family of 2.5 or 3.3 V, 500 MHz bandwidth bus switches that simplify I/O migration from parallel to serial differential signaling standards. Housed in packages from TSSOP to TDFN, digital ICs offer lead-free packaging, hot-insertion, and beyond rail-to-rail switching. Performance characteristics include 5 ohm flat on-resistance across full device bandwidth, 5-10...

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Array includes analog and digital circuits.

Mixed-Signal Structured Array uses single IC fabrication mask to configure array of analog and digial circuit elements into application specific integrated circuit. Digital logic, analog amplifiers, resistors, switches, and capacitors are included. Using single process layer, they are interconnected to form ASIC. Model MSSA-1 contains 24 operational transconductance amplifiers, 12 buffer...

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Step Down Converter offers over 90% efficiency.

Step Down Converter offers over 90% efficiency.

Model MD5001 contains control IC and main switch MOSFET on single chip, SOP-8 package. Input voltage range is 4.5-14 V and output voltage is 0.8-12 V with maximum output current of 1 A. Unit includes remote on/off, overcurrent protection, and built-in thermal protection. It is recommended for designers who have employed regulators but find thermal issues to be a problem and have insufficient...

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