4-20 mA 环路接口

Analog Devices 的 4-20 mA 环路接口驱动器解决方案可与我们的精密数模转换器 (DAC) 配合使用,而 ADI 集成解决方案将 DAC 和驱动器组合在一个芯片中,从而直接从数字域提供所需的输出。我们还提供一系列与 HART 兼容的调制解调器,可以与我们的环路接口产品直接连接,从而实现增强通信。我们的解决方案满足环路和非环路供电式发射器以及隔离式和非隔离式模拟 I/O 卡的要求。
产品选型表

4-20 mA 环路接口

  按住Shift键进行二次排序
SortOrderPart## of ChannelsResolution
(bits)
DAC TypeCurrent Output RangesTUE Iout
(typ)
(%)
Vref SourceDAC FeaturesVs TypePrice (1000+)
($ US)
1AD5758 1 16 Current Out, Current-Sinking, Voltage Out 0 to 20 mA, 0 to 24 mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA 0.15 Int/Ext 4-20ma, DAC, Dynamic Power Control, Integrated ADC, LDAC Pin Dual, Single $6.54 (AD5758BCPZ-REEL)
2AD5755Reference Circuit Available 4 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.009 Int/Ext 4-20ma, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Dual $13.65 (AD5755ACPZ)
3AD5737 4 12 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.022 Int/Ext 4-20ma, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Single $8.93 (AD5737ACPZ)
4AD5735 4 12 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.022 Int/Ext 4-20ma, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Dual $10.85 (AD5735ACPZ)
5AD5757 4 16 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.009 Int/Ext 4-20ma, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Single $13.65 (AD5757ACPZ)
6AD5755-1Reference Circuit Available 4 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.009 Int/Ext 4-20ma, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Dual $15.88 (AD5755-1ACPZ)
7AD5421Reference Circuit Available 1 16 Current Out 3.2 to 24 mA, 3.8 to 21 mA, 4 to 20 mA 0.064 Int/Ext 4-20ma, Double-Buffered, LDAC Pin, Loop Powered, On Chip Temp Sensor, Read-Back, SDO Pin Single $4.85 (AD5421ACPZ-REEL7)
8AD5422Reference Circuit Available 1 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 Int/Ext 4-20ma, Daisy Chain, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Dual $5.77 (AD5422ACPZ-REEL)
9AD5420Reference Circuit Available 1 16 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 Int/Ext 4-20ma, Daisy Chain, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Single $5.10 (AD5420AREZ)
10AD5412 1 12 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 Int/Ext 4-20ma, Daisy Chain, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Dual $4.51 (AD5412ACPZ-REEL)
11AD5410 1 12 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 Int/Ext 4-20ma, Daisy Chain, LDAC Pin, Read-Back, Reset/Clear, SDO Pin Single $3.86 (AD5410ACPZ-REEL)
12AD421 1 16 Current Out 4 to 20 mA- Int/Ext 4-20ma, Loop Powered Single $7.51 (AD421BRZ)
13AD693 1- Current Out 0 to 20 mA, 4 to 20 mA 0.25 Int/Ext 4-20ma, Loop Powered Single $10.39 (AD693AQ)