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AD6649 - IF Diversity Receiver

General Description

The AD6649 is a mixed-signal intermediate frequency (IF) receiver consisting of dual 14-bit, 250 MSPS ADCs and a wideband digital downconverter (DDC).

Key Features

  • SNR = 73.0 dBFS in a 95 MHz bandwidth at 185 MHz AIN and 245.76 MSPS.
  • SFDR = 85 dBc at 185 MHz AIN and 250 MSPS.
  • Noise density =.
  • 151.2 dBFS/Hz input at 185 MHz,.
  • 1 dBFS AIN and 250 MSPS.
  • Total power consumption: 1 W with fixed-frequency NCO, 95 MHz FIR filter.
  • 1.8 V supply voltages.
  • LVDS (ANSI-644 levels) outputs.
  • Integer 1-to-8 input clock divider (625 MHz maximum input).
  • Integrated dual-channel ADC.
  • Sample rates of up to 250 MSPS.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet AD6649 IF Diversity Receiver FEATURES ► SNR = 73.0 dBFS in a 95 MHz bandwidth at 185 MHz AIN and 245.76 MSPS ► SFDR = 85 dBc at 185 MHz AIN and 250 MSPS ► Noise density = −151.2 dBFS/Hz input at 185 MHz, −1 dBFS AIN and 250 MSPS ► Total power consumption: 1 W with fixed-frequency NCO, 95 MHz FIR filter ► 1.8 V supply voltages ► LVDS (ANSI-644 levels) outputs ► Integer 1-to-8 input clock divider (625 MHz maximum input) ► Integrated dual-channel ADC ► Sample rates of up to 250 MSPS ► IF sampling frequencies to 400 MHz ► Internal ADC voltage reference ► Flexible input range (1.4 V p-p to 2.1 V p-p (1.