AD9002

a High Speed 8-Bit Monolithic A/D Converter AD9002 FEATURES 150 MSPS ENCODE Rate Low Input Capacitance: 17 pF Low Power: 750 mW –5.2 V Single Supply MIL-STD-883 Compliant Versions Available APPLICATIONS Radar Systems Digital Oscilloscopes/ATE Equipment Laser/Radar Warning Receivers Digital Radio Electronic Warfare (ECM, ECCM, ESM) Communication/Signal Intelligence GENERAL DESCRIPTION The AD9002 is an 8-bit, high speed, analog-to-digital converter. The AD9002 is fabricated in an advanced bipolar process that allows operation at sampling rates in excess of 150 MSPS. Functionally, the AD9002 is comprised of 256 parallel comparator stages whose outputs are decoded to drive the ECL compatible output latches. An exceptionally wide, large signal, analog input bandwidth of 160 MHz is due to an innovative comparator design and very close attention to device layout considerations. The wide input bandwidth of the AD9002 allows very accurate acquisition of high speed pulse inputs without an external track-and-hold. The comparator output decoding scheme minimizes false codes, which is critical to high speed linearity. The AD9002 provides an external hysteresis control pin that can be used to optimize comparator sensitivity to further improve performance. Additionally, the AD9002’s low power dissipation of 750 mW makes it usable over the full extended temperature range. The AD9002 also incorporates an overflow bit to indicate overrange inputs. This overflow output can be disabled with t...