Product category: Analogue and Mixed Signal ICs
News Release from: Intersil | Subject: EL5166 and EL5167
Edited by the Electronicstalk Editorial Team on 5 September 2003
Big bandwidth for current-feedback amplifiers
The latest additions to Intersil's high-speed operational amplifier portfolio are a pair of 1.4GHz current-feedback amplifiers (CFAs) with capacitive drive capability
The Elantec EL5166 and EL5167 are designed to meet the high bandwidth, high slew rate requirements of today's high performance video, test and instrumentation and other high-frequency applications. Intersil's Elantec EL5166 and EL5167 feature unity gain bandwidths of 1.4GHz. The EL5166 and EL5167 offer 6kV/us slew rates while exhibiting low distortion of 1.7nV/(rt)Hz.
This article was originally published on Electronicstalk on 5 September 2003 at 8.00am (UK)
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With a supply current of just 8.3mA and operating from a +/-5V split supply, Intersil's new current feedback amplifiers offer very high performance while consuming very little power.
"We continue to add best-in-class products to our Elantec family of op amps, and the EL5166 and EL5167 offer unmatched CFA performance", said Sameer Vuyyuru, Intersil's Director of Marketing for video and op amps.
"This initial offering of current feedback amps is ideally suited for a variety of high performance video, cable driver and high frequency applications where high slew rates and wide 3dB bandwidths are critical factors.
When combined with their low power consumption, these high performance CFAs are particularly well suited for portable, handheld and battery-powered applications.
Intersil will continue to add single, dual and triple CFAs to this new family of op amps in the coming months".
Intersil's EL5166 and EL5167 feature excellent gain flatness, with typical performance of 1.4GHz at 3dB and 100MHz at 0.1dB.
They feature differential gain and differential phase of 0.01% and 0.03 degrees, respectively.
Both devices operate with supply voltages ranging from a single 5 to 10V supply or off a split +/-5V supply, and have a wide common-mode output range.
The EL5166 incorporates an enable and disable function to reduce the supply current to 100uA per amplifier.
As with all current feedback amplifiers, CFA stability is dependent on the feedback resistor used.
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