说明：  AD7616中文数据手册 16通道、双路、同步采样输入 可独立选择的通道输入范围 真双极性：±10 V、±5 V、±2.5 V 5 V单模拟电源，VDRIVE电源电压：2.3 V至3.6 V 完全集成的数据采集解决方案 模拟输入箝位保护 具有1 MΩ模拟输入阻抗的输入缓冲器 一阶抗混叠模拟滤波器 片内精密基准电压及基准电压缓冲器 双通道16位逐次逼近型寄存器(SAR)ADC 吞吐速率：2 × 1 MSPS 通过数字滤波器提供过采样功能 灵活的序列器，支持突发模式 灵活的并行/串行接口 SPI/QSPI/MICROWIRE/DSP兼容 可选循环冗余校验(CRC)错误检查
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