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雷达接收通道AFE：4低噪声放大器/高尔夫/AAF模数转换器ad8285数据表
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The AD8285 is designed for low cost， low power， compact size， flexibility， and ease of use. It contains four channels of a low noise preamplifier （LNA） with a programmable gain amplifier （PGA） and an antialiasing filter （AAF） plus one direct to ADC channel， all integrated with a single 12-bit analog-to-digital converter （ADC）。 Each channel features a gain range of 16 dB to 34 dB in 6 dB increments and an ADC with a conversion rate of up to 72 MSPS. The combined input referred noise voltage of the entire channel is 3.5 nV/√Hz at maximum gain. The channel is optimized for dynamic performance and low power in applications where a small package size is critical. Fabricated in an advanced complementary metal oxide semiconductor （CMOS） process， the AD8285 is available in a 10 mm × 10 mm， RoHS compliant， 72-lead LFCSP that is specified over the automotive temperature range of −40°C to +105°C.
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