4-20mA

4-20 mA是一种稳健可靠的通信协议,多年来广泛用于工业领域。ADI公司用于工业系统的4-20 mA产品系列提供高水平的精度、集成度和灵活性,具有替代产品所不具备的性能规格和较长使用寿命。我们提供许多经过现场验证的参考设计、示例电路图和应用笔记,有助于设计人员轻松实现可定制4-20mA通信系统。同时,我们的驱动器、DAC、ADC和环路接口稳定可靠,具有许多控制功能,可解决各种系统挑战。凭借我们不断扩展的4-20 mA产品系列,ADI公司在工业通信领域处于领先地位。

4-20mA

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SortOrderPart#ChannelsResolution
(bits)
Converter Primary FunctionDAC TypeOutput RangeDAC FeaturesInterfacePrice (1000+)
($ US)
1AD5413 1 14 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 24 mA 4-20mA, HART Connectivity SPI $3.17 (AD5413BCPZ)
2ADFS5758 1 16 4-20 Driver, Precision Current Source/Sink DAC, Precision DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, -1 to 22mA, -20 to 20 mA, -24 to 24 mA 4-20mA, DAC, Functional Safety, HART Connectivity, Precision DACs SPI $11.67 (ADFS5758BCPZ)
3AD74413R 4 16 Software Configurable I/O Current Out, Voltage Out 0 to 25mA, 0V to 11V 4-20mA SPI $8.55 (AD74413RBCPZ)
4AD74412R 4 16 Software Configurable I/O Current Out, Voltage Out 0 to 25mA, 0V to 11V 4-20mA SPI $7.47 (AD74412RBCPZ)
5AD5423 1 16 4-20mA Loop Interface DAC, Precision DAC 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 4-20mA, HART Connectivity SPI $3.95 (AD5423BCPZ-RL7)
6AD4112 16 24 4-20mA Input ADC--- SPI $6.45 (AD4112BCPZ)
7AD4111Reference Circuit Available 16 24 4-20mA Input ADC--- SPI $7.25 (AD4111BCPZ)
8AD5758 1 16 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA 4-20mA, DAC, Dynamic Power Control, HART Connectivity, Integrated ADC, LDAC Pin SPI $6.28 (AD5758BCPZ)
9AD5700-1Reference Circuit Available 1- HART Modem HART Modem- HART Connectivity, Integrated ADC UART $4.25 (AD5700-1ACPZ-RL7)
10AD5700Reference Circuit Available 1- HART Modem HART Modem- HART Connectivity, Integrated ADC UART $3.75 (AD5700ACPZ-RL7)
11AD5755Reference Circuit Available 4 16 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $13.65 (AD5755ACPZ)
12AD5737 4 12 4-20mA Loop Interface DAC Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, CLR Pin, Double-Buffered, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $8.93 (AD5737ACPZ)
13AD5735 4 12 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, CLR Pin, Double-Buffered, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $10.85 (AD5735ACPZ)
14AD5757 4 16 4-20mA Loop Interface DAC Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, CLR Pin, Double-Buffered, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $13.65 (AD5757ACPZ)
15AD5755-1Reference Circuit Available 4 16 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, CLR Pin, Double-Buffered, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $15.88 (AD5755-1ACPZ)
16AD5421Reference Circuit Available 1 16 4-20mA Loop Interface DAC Current Out 3.2 to 24 mA, 3.8 to 21 mA, 4 to 20 mA 4-20mA, Double-Buffered, LDAC Pin, On Chip Temp Sensor, Read-Back, SDO Pin SPI $4.85 (AD5421ACPZ-REEL7)
17AD5749Reference Circuit Available 1- 4-20 Driver- 0 to 24 mA, 4 to 20 mA- Voltage $1.80 (AD5749ACPZ)
18AD5748 1- 4-20 Driver- 0 to 21 mA, 4 to 21 mA- Voltage $2.15 (AD5748ACPZ)
19AD5751Reference Circuit Available 1- 4-20 Driver- 0 to 20 mA, 0 to 24 mA, 3.92 to 20 mA- Voltage $3.10 (AD5751ACPZ)
20AD5750-1Reference Circuit Available 1- 4-20 Driver- 0 to 20 mA, 0 to 24 mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA- Voltage $2.52 (AD5750-1ACPZ)
21AD5750Reference Circuit Available 1- 4-20 Driver- 0 to 20 mA, 0 to 24 mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA- Voltage $2.52 (AD5750ACPZ)
22AD5422Reference Circuit Available 1 16 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, Daisy Chain, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $5.77 (AD5422ACPZ-REEL)
23AD5420Reference Circuit Available 1 16 4-20mA Loop Interface DAC Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $5.10 (AD5420AREZ)
24AD5412 1 12 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $4.51 (AD5412ACPZ-REEL)
25AD5410 1 12 4-20mA Loop Interface DAC Current Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin SPI $3.86 (AD5410ACPZ-REEL)
26AD421 1 16 4-20mA Loop Interface DAC Current Out 4 to 20 mA 4-20mA SPI $7.51 (AD421BRZ)
27AD420 1 16 4-20mA Loop Interface DAC Current Out, Voltage Out 0 to 20 mA, 0 to 24 mA, 4 to 20 mA 4-20mA SPI $14.65 (AD420ARZ-32)
28AD693 1- 4-20 Driver- 0 to 20 mA, 4 to 20 mA- Voltage $10.39 (AD693AQ)