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。
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4-20 mA 环路接口

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SortOrderPart## of ChannelsResolution
(bits)
DAC TypeCurrent Output RangesTUE Iout
(typ)
(%)
DAC FeaturesSupply Voltage RangePrice (1000+)
($ US)
1AD5423 1 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, -1 to 22mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA 0.05 4-20mA, HART Connectivity -33V to +33V $4.11 (AD5423BCPZ-RL7)
2AD74413R 4 16 Current Out, Voltage Out 0 to 25mA, 0V to 11V- 4-20mA 14V to 26.4V, 2.7V to 5.5V-
3AD74412R 4 16 Current Out, Voltage Out 0 to 25mA, 0V to 11V- 4-20mA 14V to 26.4V, 2.7V to 5.5V $7.47 (AD74412RBCPZ)
4AD5758 1 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA 0.15 4-20mA, DAC, Dynamic Power Control, HART Connectivity, Integrated ADC, LDAC Pin -33V to 0V, 5V to 33V, 7V to 33V $6.54 (AD5758BCPZ-RL7)
5AD5755Reference Circuit Available 4 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.009 4-20mA, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin -26.4V to -10.8V, 4.5V to 5.5V, 9V to 33V $13.65 (AD5755ACPZ)
6AD5737 4 12 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.022 4-20mA, CLR Pin, Double-Buffered, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin 2.7V to 5.5V, 4.5V to 5.5V, 9V to 33V $8.93 (AD5737ACPZ)
7AD5735 4 12 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.022 4-20mA, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin -26.4V to -10.8V, 4.5V to 5.5V, 9V to 33V $10.85 (AD5735ACPZ)
8AD5757 4 16 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.009 4-20mA, CLR Pin, Double-Buffered, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin 4.5V to 5.5V, 9V to 33V $13.65 (AD5757ACPZ)
9AD5755-1Reference Circuit Available 4 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.009 4-20mA, CLR Pin, Double-Buffered, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin -26.4V to -10.8V, 4.5V to 5.5V, 9V to 33V $15.88 (AD5755-1ACPZ)
10AD5421Reference Circuit Available 1 16 Current Out 3.2 to 24 mA, 3.8 to 21 mA, 4 to 20 mA 0.064 4-20mA, Double-Buffered, LDAC Pin, On Chip Temp Sensor, Read-Back, SDO Pin 5.5V to 52V $4.85 (AD5421ACPZ-REEL7)
11AD5422Reference Circuit Available 1 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 4-20mA, Daisy Chain, LDAC Pin, Read-Back, Reset/Clear, SDO Pin 10.8V to 40V, -26.4V to 0V $5.77 (AD5422ACPZ-REEL)
12AD5420Reference Circuit Available 1 16 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin 10.8V to 60V $5.10 (AD5420AREZ)
13AD5412 1 12 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin 10.8V to 40V, -26.4V to 0V $4.51 (AD5412ACPZ-REEL)
14AD5410 1 12 Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 0.08 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin 10.8V to 60V $3.86 (AD5410ACPZ-REEL)
15AD421 1 16 Current Out 4 to 20 mA- 4-20mA 2.95V to 5.05V $7.51 (AD421BRZ)
16AD420 1 16 Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA- 4-20mA 12V to 32V $14.65 (AD420ARZ-32)