Analog Devices Unveils a 16-bit, 310 Msps, Dual A/D Converter Providing Industry-Leading Noise and Linearity Performance Over a Wide Input Range
Analog Devices » AD9652
The AD9652 A/D converter’s –156 dBFS noise floor and 85 dBFS large signal spurious-free dynamic range allow low level signals to be captured in cluttered spectral environments.
Analog Devices introduced the AD9652, 16-bit, 310 MSPS dual A/D converter, designed to support the more demanding high-speed signal processing applications that require exceptional linearity and noise performance over a wide input frequency range. The AD9652 can digitize up to 155 MHz of signal bandwidth and provides an analog input bandwidth of 650 MHz. The high performance input buffer and 16 bit A/D converter core provide the high linearity and noise performance necessary to detect and isolate weak signals in the presence of large signals, blockers, and spectral clutter. This can simplify the signal chain and move more of the system control, configuration, and tuning into the software domain. Target applications for the AD9652 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. A high performance on-chip buffer and internal voltage reference is used to simplify the interface to external driving circuitry while preserving exceptional dynamic performance.
Pricing, Availability and Complementary Products
Complementary ADI signal chain components include the ADA4938-2 dual ultra-low distortion A/D converter driver amplifier, and the ADL5565 high performance differential amplifier optimized for RF and IF applications.
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