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单通道12/16位串行输入4毫安20毫安电流源数模转换器HART连接ad5410/ad5420数据表
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The AD5410/AD5420 are low cost， precision， fully integrated 12-/16-bit converters offering a programmable current source output designed to meet the requirements of industrial process control applications. The output current range is programmable at 4 mA to 20 mA， 0 mA to 20 mA， or an overrange function of 0 mA to 24 mA. The output is open-circuit protected. The device operates with a power supply （AVDD） range from 10.8 V to 60 V. Output loop compliance is 0 V to AVDD − 2.5 V. The flexible serial interface is SPI， MICROWIRE™， QSPI™， and DSP compatible and can be operated in 3-wire mode to minimize the digital isolation required in isolated applications. The device also includes a power-on reset function， ensuring that the device powers up in a known state， and an asynchronous CLEAR pin that sets the output to the low end of the selected current range. The total unadjusted error is typically ±0.01% FSR.
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