Distortion, noise and power all cut in new amp

An Analog Devices product story
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Edited by the Electronicstalk editorial team Apr 23, 2002

Analog Devices has developed the AD8007 high-speed current-feedback amplifier that features extremely low distortion (-80dB at 20MHz) and low noise, all while drawing just 9mA.

Analog Devices has developed the AD8007 high-speed current-feedback amplifier that features extremely low distortion (-80dB at 20MHz) and low noise, all while drawing just 9mA.

The low power of the AD8007 allows designers to minimise supply voltage circuitry or battery requirements and reduce cooling requirements, which, in turn, will save cost and/or allow higher density boards.

Lower temperatures can also be expected to increase system reliability and life of a product.

This new high-speed amplifier has 600MHz of unity gain bandwidth and a slew rate of 1kV/us.

The AD8007 features an impressive second-harmonic distortion of -88dB at 5MHz and -80dB at 20MHz, while the third-harmonic distortion is -101dB at 5MHz and -84dB at 20MHz.

Noise specs are similarly impressive at 2.7nV/rtHz and 22.5pA/rtHz.

With a wide supply-voltage range of 5 to 1 V and its wide bandwidth, the AD8007 is ideal for use in IF and baseband amplifiers, filters, ADC drivers and DAC buffers.

Despite their high performance, the low quiescent current means the AD8007 will not dissipate a lot of heat, which will allow for a denser layout, thus saving costs related to cooling and space.

The AD8007 is available in a tiny SC70 package as well as an 8-lead SOIC.

The AD8007 is rated to work over the industrial temperature range from -40 to +85C.

Samples and production volumes are available now from stock.

The AD8007 costs $1.19 per unit in 1000-piece quantities.

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