AD6642 PDF Datasheet


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Description

This is Dual IF Receiver. Dual IF Receiver AD6642 FEATURES 11-bit, 200 MSPS output data rate per channel Integrated noise shaping requantizer (NSR) Performance with NSR enabled SNR: 75.5 dBFS in 40 MH- band to 70 MH- @ 185 MSPS SNR: 73.7 dBFS in 60 MH- band to 70 MH- @ 185 MSPS Performance with NSR disabled SNR: 66.5 dBFS to 70 MH- @ 185 MSPS SFDR: 83 dBc to 70 MH- @ 185 MSPS Low power: 0.62 W @ 185 MSPS 1.8 V analog supply operation 1.8 V LVDS (ANSI-644 levels) output 1-to-8 integer clock divider Internal ADC voltage reference 1.75 V p-p analog input range (programmable to 2.0 V p-p) Differential analog inputs with 800 MH- bandwidth 95 dB channel isolation, crosstalk Serial port control User-configurable built-in self-test (BIST) capability Energy-saving power-down modes FUNCTIONAL BLOCK DIAGRAM AVDD AGND DRVDD DRGND AD6642 VIN+A VIN A VCMA VIN+B VIN B VCMB REFERENCE CLOCK DIVIDER SERIAL PORT PIPELINE ADC 14 NOISE SHAPING REQUANTIZER 11 PIPELINE ADC 14 NOISE SHAPING REQUANTIZER 11 DATA MULTIPLEXER AND LVDS D.