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Fairchild enters high-performance amp market

Posted: 11 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Fairchild? amplifier? FHP3x50? FHP3x30? BCP6T?

Fairchild Semiconductor has unveiled five new operational amplifiers (op amps) designed to optimize bandwidth and reduce power consumption in video applications. This announcement marks the company's entry into the high-performance amplifier market.

According to Fairchild, the 210MHz FHP3x50 and 50MHz FHP3x30 families of op amps were developed with its new BCP6T technology, an ultra-low capacitance, complementary bipolar process using silicon-on-insulator and deep trench isolation technologies. Fairchild added that its new op amps allow designers to achieve the dual objective of delivering superior amplifier performance and maintaining very low power consumption.

FHP3x50 family
The triple- and quad-channel FHP3x50 devices were designed to optimize bandwidth in high-speed applications such as high definition STBs. Fairchild said these <3dB op amps exceed HD video requirements and deliver a slew rate of 1100V/?s for optimal pulse response. Their 0.07 percent/0.03 differential gain/phase error also helps improve video quality.

These op amps achieve optimal AC performance with a gain flatness of 0.1dB (to 50MHz), Fairchild said, enabling them to maintain consistent gain over the entire passband of high-definition video signals. DC accuracy is also improved by their 0.05?A typical input bias-current, which allows for more precise output-voltage levels and minimal droop in AC-coupled applications.

Both devices in the 210MHz family operate with 3.6mA of supply current per amplifier, with the triple-channel device offering a disable feature to prevent additional power consumption. These energy-saving features and an output current rating of 55mA make these devices suitable for driving multiple video loads.

FHP3x30 devices
The single-, dual- and quad-channel devices in the FHP3x30 family offer 50MHz bandwidth, a slew rate of 110V/?s and a differential gain/phase 0.008 percent/0.01 to improve performance and save power in SD video designs. Targeted applications include SD STBs, DTVs, CCD imaging systems and industrial imaging systems.

The FHP3230 device in particular offers a bandwidth of 170MHz, an output current of 100mA, and a DC performance of 100dB at a power consumption of 2.5mA. This performance is touted to exceed current market standards.

According to Fairchild, the three amplifiers in the FHP3x30 family provide a gain flatness of 0.1dB (to 16MHz) to increase system reliability and simplify designs. These devices operate with 2.5mA supply current per amplifier while providing 100mA output capability to support four video loads.

Priced between 63 cents and 86 cents, the FHP series of high-performance amplifiers come in Pb-free packages that meet or exceed the requirements of the joint IPC/JEDEC standard J-STD-020C and are compliant with the European Union requirements now in effect.

Product samples are available with 4 to 8 weeks delivery time ARO.




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