【摘要】 本设计采用的控制核心芯片是美国Maxim公司生产的MAX1464,该芯片内含的温度传感器和ADC、DAC转换电路可使智能压力变送器的体积减小,成本降低。压力、温度信号经ADC转换成数字信号,通过对芯片的编程实现了信号的温度补偿,最终压力以4～20mA标准电流信号输出。更多还原

【Abstract】 The core of the intelligent pressure transducer is MAX1464,which is made by Maxim Integrated Products.The temperature sensor ADC and DAC are integrated in it,so the size of the transducer and the consumption of power can be reduced.The pressure and temperature analog signals can be converted into digital signals.The temperature can be compensated by software and the transducer outputs 4～20 mA current.更多还原