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16位双极性输入同步采样ADC数据表AD7606/ad7606-6/ad7606-4
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The AD76061 /AD7606-6/AD7606-4 are 16-bit， simultaneous sampling， analog-to-digital data acquisition systems （DAS） with eight， six， and four channels， respectively. Each part contains analog input clamp protection， a second-order antialiasing filter， a track-and-hold amplifier， a 16-bit charge redistribution successive approximation analog-to-digital converter （ADC）， a flexible digital filter， a 2.5 V reference and reference buffer， and high speed serial and parallel interfaces. The AD7606/AD7606-6/AD7606-4 operate from a single 5 V supply and can accommodate ±10 V and ±5 V true bipolar input signals while sampling at throughput rates up to 200 kSPS for all channels. The input clamp protection circuitry can tolerate voltages up to ±16.5 V. The AD7606 has 1 MΩ analog input impedance regardless of sampling frequency. The single supply operation， on-chip filtering， and high input impedance eliminate the need for driver op amps and external bipolar supplies. The AD7606/AD7606-6/AD7606-4 antialiasing filter has a 3 dB cutoff frequency of 22 kHz and provides 40 dB antialias rejection when sampling at 200 kSPS. The flexible digital filter is pin driven， yields improvements in SNR， and reduces the 3 dB bandwidth. 1 Patent pending.
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