SLVSDR2B November 2018 – March 2021 ADC12DJ3200QML-SP
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
The ADC12DJ3200QML-SP device is an RF-sampling, giga-sample, analog-to-digital converter (ADC) that can directly sample input frequencies from DC to above 10 GHz. In dual-channel mode, the ADC12DJ3200QML-SP can sample up to 3200 MSPS and up to 6400 MSPS in single-channel mode. Programmable tradeoffs in channel count (dual-channel mode) and Nyquist bandwidth (single-channel mode) allow development of flexible hardware that meets the needs of both high channel count or wide instantaneous signal bandwidth applications. Full-power input bandwidth (–3 dB) of 7.0 GHz, with usable frequencies exceeding the –3-dB point in both dual- and single-channel modes, allows direct RF sampling of L-band, S-band, C-band, and X-band for frequency agile systems.
ADC12DJ3200QML-SP uses a high-speed JESD204B output interface with up to 16 serialized lanes. The serial output lanes support up to 12.8 Gbps and can be configured to trade-off bit rate and number of lanes. The JESD204B block supports the subclass-1 method for deterministic latency and multi-device synchronization using SYSREF. A number of innovative synchronization features, including noiseless aperture delay (tAD) adjustment and SYSREF windowing, simplify system design for multi-channel systems. Aperture delay adjustment can be used to simplify SYSREF capture, to align the sampling instance between multiple ADCs or to sample an ideal location of a front-end track and hold (T&H) amplifier output. SYSREF windowing offers a simplistic way to measure invalid timing regions of SYSREF relative to the device clock and then choose an optimal sampling location. Dual-edge sampling (DES) is implemented in single-channel mode to reduce the maximum clock rate applied to the ADC to support a wide range of clock sources and relax setup and hold timing for SYSREF capture.
Optional digital down converters (DDC) are available in dual-channel mode. The DDC block provides a range of decimation settings that allow the device to work in ultra-wideband, wideband, and more-narrow-band receive systems. Decimation reduces the interface rate or the number of lanes required to transfer the data to the logic device. Additionally, data from a single ADC channel (in dual-channel mode) can be sent to separate DDC blocks for multi-band receive applications or to support redundant logic devices.
ADC12DJ3200QML-SP provides foreground and background calibration options for gain, offset and static linearity errors. Foreground calibration is run at system startup or at specified times during which the ADC is offline and not sending data to the logic device. Background calibration allows the ADC to run continually while the cores are calibrated in the background so that the system does not experience downtime. The calibration routine is also used to match the gain and offset between sub-ADC cores to minimize spurious artifacts from time interleaving.
The ADC12DJ3200QML-SP has a single event latch-up tolerance to 120 MeV-cm2/mg and a total ionizing dose to 300 krad (Si) for radiation-sensitive applications. Serial programming interface and programming registers are protected against radiation upsets while other key circuitry is monitored by alarms for quick detection of upsets.