AD5700-1

Low Power HART Modem

GENERALDESCRIPTION TheAD5700/AD5700-1aresingle-chipsolutions,designedandspecifiedtooperateasaHART®FSKhalf-duplexmodem,complyingwiththeHARTphysicallayerrequirements.TheAD5700/AD5700-1integrateallofthenecessaryfiltering,signaldetection,modulating,demodulatingands

AD5700-1

集成精密振荡器的低功耗HART调制解调器; • HART兼容完全集成FSK调制解调器\n\n• 1200 Hz和2200 Hz正弦偏移频率\n\n• 接收模式下的电源电流：115 µA（最大值）\n\n• 适合本安型应用\n\n• 集成接收带通滤波器\n• 所需外部元件极少\n\n\n\n\n• 针对各种系统配置进行时钟优化\n• 超低功耗晶振（最大值为60 µA）\n\n• 外部CMOS时钟源\n\n• 精密内部振荡器\n\n\n\n\n• 缓冲HART输出——额外驱动能力\n\n• 8 kV HBM ESD额定值\n\n• 电源电压：1.71 V至5.5 V\n\n• 1.71 V至5.5 V接口\n\n• 工作温度范围：-40°C至+125℃\n\n• 4 mm × 4 mm LFCSP封装\n\n• 兼容HART物理层\n\n• UART接口;

AD5700/AD5700-1均为单芯片解决方案，设计用作HART® FSK半双工调制解调器，符合HART物理层要求。这些器件集成所有必要的滤波、信号检测、调制、解调和信号生成功能，因此所需外部元件极少。AD5700-1上集成0.5%精密振荡器，可极大节省电路板空间，因此非常适合主机和从机配置下的线路供电应用。AD5700/AD5700-1的最大电源功耗为115µA，因此是低功耗环路供电型应用的较佳选择。发射波形为相位连续1200 Hz和2200 Hz正弦波。AD5700/AD5700-1内置精密载波检测电路，采用标准UART接口。\n\n 应用\n\n 现场发射机 HART多路复用器 PLC和DCS模拟I/O模块 HART网络连接

AD5700-1

Quad-Channel, 12-Bit, Serial Input, 4 mA to 20 mA Output

AD5700-1

Low Power HART Modem

AD5700-1

Single-Channel, 16-Bit, Current/Voltage Output DAC, Functional Safety Approved for Unipolar Current Output

AD5700-1ACPZ-RL7

Low Power HART Modem

GENERALDESCRIPTION TheAD5700/AD5700-1aresingle-chipsolutions,designedandspecifiedtooperateasaHART®FSKhalf-duplexmodem,complyingwiththeHARTphysicallayerrequirements.TheAD5700/AD5700-1integrateallofthenecessaryfiltering,signaldetection,modulating,demodulatingands

AD5700-1BCPZ-R5

Low Power HART Modem

GENERALDESCRIPTION TheAD5700/AD5700-1aresingle-chipsolutions,designedandspecifiedtooperateasaHART®FSKhalf-duplexmodem,complyingwiththeHARTphysicallayerrequirements.TheAD5700/AD5700-1integrateallofthenecessaryfiltering,signaldetection,modulating,demodulatingands

AD5700-1BCPZ-RL7

Low Power HART Modem

GENERALDESCRIPTION TheAD5700/AD5700-1aresingle-chipsolutions,designedandspecifiedtooperateasaHART®FSKhalf-duplexmodem,complyingwiththeHARTphysicallayerrequirements.TheAD5700/AD5700-1integrateallofthenecessaryfiltering,signaldetection,modulating,demodulatingands

AD5700-1ACPZ-RL7

Low Power HART Modem

AD5700-1BCPZ

Evaluation Board for FSK AD5700/AD5700-1 HART Modem