Circuits

PWM Controllers suit switch-mode power supplies.
Circuits

PWM Controllers suit switch-mode power supplies.

Soft-switching PWM controllers simplify implementation of active clamp/reset topologies and include auxiliary active clamp output driver. Peak current-mode units program critical delays to achieve proper active clamp operation and deliver zero-voltage switching to primary side MOSFET switches. Devices include internal programmable slope compensation circuit, maximum duty cycle limit, and 1 MHz...

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Circuits

Integrated Circuit is capable of 311 Mbits/sec data rates.

Operating at OC6 speeds, AHA4541 single-chip Turbo Product Code (TPC) Forward Error Correction Encoder/Decoder is capable of 311 Mbits/sec data rates, with max channel rates of 360 Mbits/sec. Device integrates TPC encoder and decoder, can be operated in full duplex mode, and supports block sizes from 256 bits to 16 Kbits. Features include flow control, phase locking, DVB-type scrambler, helical...

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Transceivers

Radio Frequency Chip complies with IEEE 802.15.4 standard.

Model EM2420 combines transceiver with embedded networking software that can run on low-power microprocessors. It operates on 16 channels in 2.4 GHz ISM band with hardware-based, AES 128-bit encryption for secure communications. EmberNet networking protocol stack provides sending and receiving over low bitrate wireless networks. Unit is ZigBee ready and complies with 802.15.4 standard, which...

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Dual Wire Bus Buffer allows connection on demand.
Circuits

Dual Wire Bus Buffer allows connection on demand.

Available in 10-pin MSOP, addressable LTC4302-1/LTC4302-2 is I2 C and SMBus compatible and provides capacitive buffering, rise time acceleration, and input to output connection control. It maintains electrical isolation between backplane and peripheral board until Vcc supplies are valid and IC receives command to initiate connection. Users can select one of 32 possible I2 C addresses using...

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Transceivers

Half Duplex RS485 Transceiver has 20 Mbps data rate.

Model SP1485E features typical transmitter and receiver skews of 2 and 5 ns and propagation delays of 20 and 30 ns respectively. Capable of driving up to 32 transceivers on one bus, it offers ESD protection of ±15 kV on I/O lines. Unit operates off of one +5 V supply and features fail-safe at receiver inputs. Additional features include 900 Â-µA supply current, multipoint transmission,...

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Parallel Port Transceiver has power-on protection feature.
Transceivers

Parallel Port Transceiver has power-on protection feature.

Low-voltage (3-3.6 V), high-speed transceiver IC model 74LVC161284TTR conforms to IEEE1284 parallel port interface standard, while model 74LVCZ161284ATTR also offers error-free power-up function. Each supplies IEEE1284-I and -II bi-directional parallel communications and has translation capability that allows outputs on cable side to interface with 5 V signal. The A port pins have 4 mA totem-pole...

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Active Mixer suits wireless and cable applications.
Electronic Mixers

Active Mixer suits wireless and cable applications.

LT5522 active downconverting mixer has RF input with on-chip transformer that is 50 ohm matched over wide frequency range. RF input and Local Oscillator (LO) ports can be driven differentially or single-ended with minimum external impedance matching components. Mixer provides third-order intercept performance of 25 dBm @ 900 MHz and 21.5 dBm @ 1.9 GHz; draws 56 mA supply current at 5 V; and comes...

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Integrated Circuit drives mobile phone headset and speaker.
Circuits

Integrated Circuit drives mobile phone headset and speaker.

Model TS4851 includes digital volume control and audio amplifier. It also offers controllable gain for left and right audio channels, and separate mono input for a microphone. Model TS4855 includes extra input channel for handsfree microphone and audio amplifier that delivers 1.1 W of continuous RMS output power into 8 Ohm speaker with 1% THD+N. Each part has 32-step digital volume control and 8...

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Processor provides IC-based motion control.
Computer Processors

Processor provides IC-based motion control.

Available in 1-4 axis configurations, Magellan Motion Processor family control DC brush, brushless DC, microstepping, and pulse and direction motors. They provide profile generation, servo loop closure, PLC-style signal manipulation, and motor signal generation. Driven by host microprocessor, unit offers multi-axis synchronization and 4 selectable profile modes: S-curve, trapezoidal, velocity...

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Single Chip Power Switches meet IEA's 1-Watt Initiative.
Circuits

Single Chip Power Switches meet IEA's 1-Watt Initiative.

Fairchild Power Switch (FPS) models FSD200, FSD210, and FSDM311 feature burst mode operation for stand-by mode that consumes 0.1 W @ 265 Vac. Off-line switches combine avalanche-rated SenseFET for current sensing with voltage mode PWM IC and are equipped with built-in start-up switch. Units are self-biased and protected, linear control current-to-duty cycle converters with open drain output. They...

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