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12位65MSPS中频采样A/D转换器AD6640
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The AD6640 is a high speed， high performance， low power， monolithic 12-bit analog-to-digital converter. All necessary functions， including track-and-hold （T/H） and reference， are included on-chip to provide a complete conversion solution. The AD6640 runs on a single 5 V supply and provides CMOS compatible digital outputs at 65 MSPS. Specifically designed to address the needs of multichannel， multimode receivers， the AD6640 maintains 80 dB spuriousfree dynamic range （SFDR） over a bandwidth of 25 MHz. Noise performance is also exceptional： typical signal-to-noise ratio is 68 dB. The AD6640 is built on Analog Devices’ high speed complementary bipolar process （XFCB） and uses an innovative multipass architecture. Units are packaged in a 44-lead plastic quad flatpack （LQFP） specified from –40°C to +85°C.
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