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#HART CompliantInternal OscillatorOscillator Precision (%)Current ConsumptionIntegrated Rcv FilteringOperating Temp RangeInterfaceUS Price 1000 to 4999
AD5700-1Reference Circuit Available Yes Yes 0.5 - Yes -40 to +125 UART $4.25
AD5700Reference Circuit Available Yes No - - Yes -40 to +125 UART $3.75
AD5737 Yes - - - - -40 to +105 - $8.93
AD5757 Yes - - - - -40 to +105 - $13.65
AD5421Reference Circuit Available Yes - - - - -40 to +105 - $4.85
back to top

Industrial Solution DACs

Part#FeaturesResolutionNumber of ChannelsConfig/Programming InterfaceDAC TypeVout RangeIout FS (max)Settling Time .25 to .75 to 1 LSB (typ)Settling Time to 0.1% (typ)Vref SourceVsupply Positive (min)Vsupply Positive (max)Vsupply Negative (min)Vsupply Negative (max)Power Dissipation (typ)US Price 1000 to 4999
AD5755Reference Circuit Available 4-20ma 16 4 Ser Current Out - 10 mA - 11 µs Int/Ext 9 33 10.8 26.4 173 mW $13.65
AD5737 4-20ma 12 4 Ser Current Out - 24 mA - 15 µs Int/Ext 9 33 0 0 155 mW $8.93
AD5735 4-20ma 12 4 Ser Current Out - 24 mA - 11 µs Int/Ext 9 33 10.8 26.4 173 mW $10.85
AD5757 4-20ma 16 4 Ser Current Out - 24 mA - 15 µs Int/Ext 9 33 0 0 155 mW $13.65
AD5755-1Reference Circuit Available 4-20ma 16 4 Ser Current Out - - - 11 µs Int/Ext 9 33 10.8 26.4 173 mW $15.88
AD5421Reference Circuit Available 4-20ma 16 1 Ser Current-Source DAC - 20 mA - 50 µs Ext 5.5 52 0 0 1.43 mW $4.85
AD5422Reference Circuit Available 4-20ma 16 1 Ser Current-Source DAC - 24 mA - 18 µs Int/Ext 10.8 40 0 26.4 128 mW $5.60
AD5420Reference Circuit Available 4-20ma 16 1 Ser Current-Source DAC - - - - Int/Ext 10.8 60 0 0 144 mW $4.95
AD421 4-20ma 16 1 Ser Current Out - 24 mA - 8 ms Int/Ext 2.95 5.05 0 0 1.95 mW $6.83
AD420 4-20ma 16 1 Ser Current Out - 24 mA - 2.5 ms Int/Ext 12 32 0 0 176 mW $11.58
back to top

4-20 mA Drivers

Part#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 to 4999
AD5749 1 0 to 4.096 V - - - 0 to 24 mA 5 SPI 12 55 -40 to +105 4.096 Fault Detection, PEC, ASYN CLR 0.15 - $1.80
AD5748 1 0 to 4.096 V +/- 10 V 7 µs 3 0 to 20 mA 5 SPI 12 48 -40 to +105 4.096 - 0.15 0.05 $2.15
AD5751Reference Circuit Available 1 0 to 4.096 V 0 to 10 V 7 µs 3 0 to 20 mA 5 SPI 10.8 55 -40 to +105 4.096 Output Fault Detection, PEC, ASYN CLR, 0 V or Tristate 0.08 0.05 $3.01
AD5750-1Reference Circuit Available 1 0 to 2.5 V +/- 10 V 7 µs 3 +/- 20 mA 5 SPI 12 24 -40 to +105 1.25 Output Fault Detection, PEC, Asyn CLR, 0 V or Tristate 0.03 0.02 $2.45
AD5750Reference Circuit Available 1 0 to 4.096 V +/- 10 V 7 µs 3 +/- 20 mA 5 SPI 12 24 -40 to +105 4.096 Output Fault Detection, PEC, ASYNC CLR, 0 V or Tristate 0.03 0.02 $2.45
AD5420Reference Circuit Available - - - - 38 - 7 Digital 10 60 -40 to +85 - - 0.6 - $4.95
AD5410Reference Circuit Available - - - - 26 - 7 SPI 10.8 60 -40 to +85 - - 0.1 - $3.75
AD421 - - - - 50 - - Digital 2.95 5.05 -40 to +85 - - - - $6.83
AD420 - - - 2500 µs 20 - - Digital 12 32 -40 to +85 - - - - $11.58
AD693 - - - - - - - Analog - - -40 to +85 - - - - $9.28
back to top
沪ICP备09046653号
提供意见反馈 X
content here.
content here.

提供意见反馈

关闭