The 16-bit, 310 MSPS dual A/D converter from Analog Devices can digitise the analog signal of 155 MHz signal-bandwidth and provides an analog input bandwidth of 650 MHz. This new ADC can detect and isolate weak signals in the presence of large signals, blockers, and spectral clutter. The applications targeted by this analog to digital converter include multi-mode, multi-band, communications receivers, RADAR, and RF test equipment.
The AD9652 supports input clock frequencies up to 1.24 GHz with an integer 1-to-8 clock divider used to generate the A/D converter sample clock. A duty cycle stabilizer is provided to compensate for variations in the ADC clock duty cycle. The 16-bit output data (with an over-range bit) from each A/D converter’s is interleaved onto a single LVDS output port along with a double data rate clock. Programming for setup and control are accomplished using a 3-wire SPI-compatible serial interface.
The AD9652’s dual A/D converter cores feature a multistage, pipelined architecture with integrated output error correction logic.
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