HART调制器

HART(可寻址远程传感器高速通道)是全球工业应用领域领先的通信协议之一,大部分智能现场设备、智能过程测量和控制系统均采用该通信技术。HART是全球标准,以及通过模拟、4至20mA传输线路发送和接收数字信息的双向通信协议。HART技术可同时传送4-20mA信号的数字信息,并且与许多ADI的专用工业4至20mA转换器相配套,例如AD5755、AD5422或AD5421系列。HART技术经实践检验,易于使用且极为可靠。它并未取代4至20mA硬连线通信,而是通信的补充模式,以远程诊断和系统故障排除的方式提供额外信息,在适当的场合增强系统的SIL(安全完整性)等级。ADI提供一系列的HART调制解调器和配套转换器,可一起使用来实现稳定、精确并经HART基金会注册的解决方案。

Circuit from the lab 已完成设计、测试,可供立即集成

产品选型表

HART调制器

Part# 中文数据手册HART CompliantInternal OscillatorOscillator Precision (%)Current ConsumptionIntegrated Rcv FilteringWidest Temp Range (°C)InterfaceUS Price 1000-4999
AD5700Reference Circuit Available
 
YesNo--Yes-40 to +125UART $3.75
AD5700-1Reference Circuit Available
 
YesYes0.5%-Yes-40 to +125UART $4.25
AD5737  Yes-----40 to +105- $8.93
AD5757
 
Yes-----40 to +105- $13.65
AD5421Reference Circuit Available
 
Yes-----40 to +105- $4.85
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Industrial Solution DACs

Part# 中文数据手册# DAC OutputsResolution (Bits)DAC TypeCurrent_Output RangesCurrent Output TUE (%FS)Current Drift (ppm/°C)I Out Settling Time (µs)Ref Int/ExtPositive Supply (min)Positive Supply (max)Vout (V p-p)minVout (V p-p)maxDAC settling timeWidest Temp Range (°C)US Price 1000-4999
AD5735
 
412Current Out, I or V Out, Voltage Out0-20, 0-24, 4-200.1%5ppm/C15µsInt/Ext9V33V5V p-p20V p-p11µs-40 to +105 $10.85
AD5737  412Current Out4-20---Int/Ext9V33V--15µs-40 to +105 $8.93
AD5755Reference Circuit Available
 
416Current Out, I or V Out, Voltage Out0-20, 0-24, 4-200.05%5ppm/C15µsInt/Ext9V33V5V p-p20V p-p11µs-40 to +105 $13.65
AD5755-1
 
416Current Out, I or V Out, Voltage Out0-20, 0-24, 4-200.05%5ppm/C18µsInt/Ext9V33V5V p-p20V p-p11µs-40 to +105 $15.88
AD5757
 
416Current Out, Current-Source DAC0-20, 0-24, 4-200.05%5ppm/C15µsInt/Ext9V33V--15µs-40 to +105 $13.65
AD5421Reference Circuit Available
 
116Current-Source DAC3.2-24, 3.8-21, 4-200.05%3ppm/C50µsExt5.5V52V--50µs-40 to +105 $4.85
AD5410Reference Circuit Available
 
112Current-Source DAC0-20, 0-24, 4-200.1%7ppm/C10µsExt10.8V60V----40 to +85 $3.75
AD5412Reference Circuit Available
 
112Current-Source DAC, Voltage Out0-20, 0-24, 4-200.1%7ppm/C10µsInt/Ext10.8V40V5V p-p20V p-p32µs-40 to +85 $4.38
AD5420Reference Circuit Available
 
116Current-Source DAC0-20, 0-24, 4-200.6%7ppm/C10µsInt/Ext10.8V60V----40 to +85 $4.95
AD5422Reference Circuit Available
 
116Current-Source DAC, Voltage Out0-20, 0-24, 4-206%7ppm/C10µsInt/Ext10.8V40V5V p-p20V p-p18µs-40 to +85 $5.6
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4-20 mA Drivers

Part# 中文数据手册ChannelsInput Voltage RangeVoltage Output RangesSettling Time (µs)Drift (ppm/°C)Current Output RangesCurrent Drift (ppm/°C)Input FormatVoltage Supply (min)Voltage Supply (max)Operating Temp RangeVREFFeaturesCurrent Output TUE (%FS)Output Voltage (TUE) (%)US Price 1000-4999
AD5749
 
10 to 4.096 V---0 to 24 mA, 4 to 20 mA5ppm/CSPI12V55V-40 to +1054.096VFault Detection, PEC, ASYN CLR0.15%- $1.8
AD5748
 
10 to 4.096 V+/- 10 V, 0 to 10 V, 0 to 5 V7µs3ppm/C0 to 20 mA, 4 to 20 mA5ppm/CSPI12V48V-40 to +1054.096V-0.15%0.05% $2.15
AD5751Reference Circuit Available  10 to 4.096 V0 to 10 V, 0 to 40 V, 0 to 5 V7µs3ppm/C0 to 20 mA, 0 to 24 mA, 4 to 20 mA5ppm/CSPI10.8V55V-40 to +1054.096VOutput Fault Detection, PEC, ASYN CLR, 0 V or Tristate0.08%0.05% $3.01
AD5750Reference Circuit Available
 
10 to 4.096 V+/- 10 V, +/- 5 V, 0 to 10 V, 0 to 5 V7µs3ppm/C+/- 20 mA, +/- 24 mA, 0 to 20 mA, 0 to 24 mA, 4 to 20 mA5ppm/CSPI12V24V-40 to +1054.096VOutput Fault Detection, PEC, ASYNC CLR, 0 V or Tristate0.03%0.02% $2.45
AD5750-1Reference Circuit Available
 
10 to 2.5 V+/- 10 V, +/- 5 V, 0 to 10 V, 0 to 5 V7µs3ppm/C+/- 20 mA, +/- 24 mA, 0 to 20 mA, 0 to 24 mA, 4 to 20 mA5ppm/CSPI12V24V-40 to +1051.25VOutput Fault Detection, PEC, Asyn CLR, 0 V or Tristate0.03%0.02% $2.45
AD5410Reference Circuit Available
 
----26ppm/C-7ppm/CSPI10.8V60V-40 to +85--0.1%- $3.75
AD5420Reference Circuit Available
 
----38ppm/C-7ppm/CDigital10V60V-40 to +85--0.6%- $4.95
AD421
 
----50ppm/C--Digital2.95V5.05V-40 to +85---- $6.83
AD420  ---2.5ms20ppm/C--Digital12V32V-40 to +85---- $11.58
AD693  -------Analog---40 to +85---- $8.31
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