ADL5565 Differential Amplifier

ADL5565 Differential Amplifier

Analog Devices' ADL5565 is a high performance differential amplifier optimized for RF and IF applications. The amplifier offers low noise of 1.5 nV/√Hz and excellent distortion performance over a wide frequency range, making it an ideal driver for high speed 8-bit to 16-bit analog-to-digital converters (ADCs). The ADL5565 provides three gain levels of 6 dB, 12 dB, and 15.5 dB through a pin-strappable configuration. For the single-ended input configuration, the gains are reduced to 5.3 dB, 10.3 dB, and 13 dB. Using two external series resistors expands the gain flexibility of the amplifier and allows for any gain selection from 0 dB to 15.5 dB for a differential input and 0 dB to 13 dB for a single-ended input.

Features
  • Low noise input stage: NF = 8.7 dB at 15.5 dB gain
  • Pin-strappable gain adjust: 6 dB, 12 dB, and 15.5 dB
  • Gain range from 0 dB to 15.5 dB using two external resistors
  • Differential or single-ended input to differential output
  • 3 dB bandwidth of 6 GHz (AV = 6 dB)
  • IMD3 of −113 dBc at 100 MHz center
  • Slew rate: 11 V/ns
  • Fast settling and overdrive recovery of 2 ns

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