Tech news tagged ‘Linear’

Op amp runs off 140V supply

Linear Technology’s latest precision operational amplifiers can be operated on a supply voltage up to 140V (±70V).

The dual LTC6091 features separate output disable pins, making it useful in high voltage multiplexed applications.

The decompensated single LTC6090-5 amplifier offers higher speed and is stable at a gain of…

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DC-DC converter in a BGA has 2kV isolation

Linear Technology has introduced a 2.5W output DC/DC converter with 2kVAC galvanic isolation in a 9x15x4.92mm ball grid array (BGA) package.

The isolated transformer, control circuitry, power switches, and a modest amount of input and output capacitance are encased in the BGA package.

A minimum creepage distance…

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Bi-directional 3MHz dc-dc charges Li-ion and supplies 5V

Aimed at devices that can both be charged from USB, and supply 5V through the same connector for USB on-the-go (OTG), Fairchild has released a bidirectional dc-dc converter.

FAN54015 is a 3MHz synchronous converter, capable of supplying 1.45A to the cell at a programmable float from…

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Silicon Labs DAB/DAB+ chip has audio processing

Silicon Labs has introduced an antenna-input-to-audio-output digital radio receiver supporting FM, HD Radio and DAB/DAB+ broadcast standards.

The Si468x receivers support auto-calibrated digital tuning and FM seek functionality based on multiple signal quality and band parameters and provide audio processing features including noise blanking…

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Ofgem approves smart meter code-of-practice

Ofgem has approved an industry code-of-practice designed to protect consumers during the smart meter roll-out.

“With the roll-out of smart meters getting fully under way next year, it is essential that householders and businesses have confidence that meter installations are done in a fair and professional…

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Hybrid car batteries get new data interface

A new data interface for battery management systems has been designed to provide interference immunity and to support distributed battery systems, writes Jon Munson from Linear Technology.For reliability of battery packs being designed into hybrid electric vehicle drive-trains, an important factor is the electronics employed in the battery…

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Linear has configurable clock IC for power-on reset

Linear Technology has a low frequency clock IC which can be configured for long duration power-on reset and watchdog timer applications.

The LTC6995 combines a programmable oscillator with precision circuitry and logic. The frequency range is set with resistors for a clock period from 1ms to 9.5 hours…

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Plessey regulator has very low dropout current

Plessey Semiconductors has introduced the PS2292X family of linear regulators with very low dropout (LDO) current.

The LDO family operates from an input voltage as low as 1.7V and as high as 12V.

There are adjustable and fixed voltage output options, ON/OFF control, power good with 500ms delay…

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ADI reference board combines FPGAs and 14-bit ADCs

The latest addition to a range of FPGA-based reference design boards from Analog Devices is the AD9250-FMC-250EBZ includes JEDEC JESD204B standard data converters providing four 14-bit A/D converter channels at 250MSPS in an FMC-compliant form factor.

The two on-board AD9250 A/D converters…

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Semikron gate driver for parallel IGBTs

Semikron’s latest gate-drive unit is designed for use with interleaved, multilevel and parallel IGBT circuits.

The Skyper 42 LJ is a dual-channel IGBT driver unit for 600V, 1,200V and 1,700V IGBT modules.

It controls IGBT modules up to 1,000A with an output current of…

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