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Differential-Circuit-Slide15

The ADL5562 is an example of a device which takes advantage of the even-order cancellation of the differential approach to reduce distortion. It is a high performance differential amplifier that is optimized for RF and IF applications. This amplifier offers low noise of 2.1nV/√Hz and low distortion performance over a wide frequency range, making it an ideal driver for high speed 8-bit to 16-bit ADCs. The ADL5562 provides three gain levels of 6dB, 12dB, and 15.5dB through a pin-strappable configuration. If used in the single-ended input configuration, the gains are reduced to 5.6dB, 11.1dB, and 14.1dB. The device is optimized for wideband, low distortion performance. These attributes, together with its adjustable gain capability, make this a good choice for general-purpose IF and broadband applications where low distortion, low noise, and low power consumption are critical. The ADL5562 is also optimized for a good combination of slew speed, bandwidth, and broadband distortion which allows it to drive a wide variety of ADCs and makes it ideally suited for driving mixers, pin diode attenuators, SAW filters, and multi-element discrete devices.

PTM Published on: 2011-01-04