4-20mA Current Loop D/A Converters
ADI integrated solutions combine both the D/A converter and driver in one chip to provide the required output directly from the digital domain. Analog Devices’ portfolio of leading industrial D/A converters and drivers provides a range of programmable output ranges from standard 4 mA to 20 mA for current loop communication to ±10 V for actuator control. ADI industrial converters offer considerable control functionality and advanced on-chip diagnostics to maximize system uptime, as well as eliminate the need for costly calibration routines needed by some traditional discrete architectures.
HART technology offers a complementary mode of communication to 4 mA to 20 mA that provides additional information in the form of remote diagnostics and system troubleshooting where it can be used to enhance the safety integrity level rating of a system. ADI offers a family of HART modems and 4 mA to 20 mA converters that can be used together to realize a robust, accurate, and HART Foundation registered solution. Our solutions address requirements for both loop and non-loop powered transmitters, and isolated and non-isolated analog I/O cards.
HART technology offers a complementary mode of communication to 4 mA to 20 mA that provides additional information in the form of remote diagnostics and system troubleshooting where it can be used to enhance the safety integrity level rating of a system. ADI offers a family of HART modems and 4 mA to 20 mA converters that can be used together to realize a robust, accurate, and HART Foundation registered solution. Our solutions address requirements for both loop and non-loop powered transmitters, and isolated and non-isolated analog I/O cards.
Product Selection Table
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4-20mA Current Loop D/A Converters
| SortOrder | Part# | # of Channels | Resolution (bits) | DAC Type | Current Output Ranges | TUE Iout (typ) (%) | Vref Source | DAC Features | Vs Type | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | AD5423 | 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 | Internal | 4-20mA, HART Connectivity | - | $4.11 (AD5423BCPZ-RL7) |
| 2 | AD5758 | 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 | Int/Ext | 4-20mA, DAC, Dynamic Power Control, HART Connectivity, Integrated ADC, LDAC Pin | Dual, Single | $6.54 (AD5758BCPZ-RL7) |
| 3 | AD5700-1 | 1 | - | HART Modem | - | - | Int/Ext | HART Connectivity, Integrated ADC | - | $4.25 (AD5700-1ACPZ-RL7) |
| 4 | AD5700 | 1 | - | HART Modem | - | - | Int/Ext | HART Connectivity, Integrated ADC | - | $3.75 (AD5700ACPZ-RL7) |
| 5 | AD5755 | 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) |
| 6 | AD5737 | 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, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin | Single | $8.93 (AD5737ACPZ) |
| 7 | AD5735 | 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) |
| 8 | AD5757 | 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, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin | Single | $13.65 (AD5757ACPZ) |
| 9 | AD5755-1 | 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, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin | Dual | $15.88 (AD5755-1ACPZ) |
| 10 | AD5421 | 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, On Chip Temp Sensor, Read-Back, SDO Pin | Single | $4.85 (AD5421ACPZ-REEL7) |
| 11 | AD5749 | 1 | - | - | 0 to 24 mA, 4 to 20 mA | 0.15 | - | - | Single | $1.80 (AD5749ACPZ) |
| 12 | AD5748 | 1 | - | - | 0 to 21 mA, 4 to 21 mA | 0.15 | - | - | Dual | $2.15 (AD5748ACPZ) |
| 13 | AD5751 | 1 | - | - | 0 to 20 mA, 0 to 24 mA, 3.92 to 20 mA | 0.03 | - | - | Single | $3.10 (AD5751ACPZ) |
| 14 | AD5750-1 | 1 | - | - | 0 to 20 mA, 0 to 24 mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA | 0.03 | - | - | Dual | $2.52 (AD5750-1ACPZ) |
| 15 | AD5750 | 1 | - | - | 0 to 20 mA, 0 to 24 mA, -20 to 20 mA, -24 to 24 mA, 4 to 20 mA | 0.03 | - | - | Dual | $2.52 (AD5750ACPZ) |
| 16 | AD5422 | 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) |
| 17 | AD5420 | 1 | 16 | Current Out | 0 to 20 mA, 0 to 24 mA, 4 to 20 mA | 0.08 | Int/Ext | 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin | Single | $5.10 (AD5420AREZ) |
| 18 | AD5412 | 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, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin | Dual | $4.51 (AD5412ACPZ-REEL) |
| 19 | AD5410 | 1 | 12 | Current Out | 0 to 20 mA, 0 to 24 mA, 4 to 20 mA | 0.08 | Int/Ext | 4-20mA, Daisy Chain, HART Connectivity, LDAC Pin, Read-Back, Reset/Clear, SDO Pin | Single | $3.86 (AD5410ACPZ-REEL) |
| 20 | AD421 | 1 | 16 | Current Out | 4 to 20 mA | - | Int/Ext | 4-20mA | Single | $7.51 (AD421BRZ) |
| 21 | AD420 | 1 | 16 | Current Out, Voltage Out | 0 to 20 mA, 0 to 24 mA, 4 to 20 mA | - | Int/Ext | 4-20mA | Single | $14.65 (AD420ARZ-32) |
| 22 | AD693 | 1 | - | - | 0 to 20 mA, 4 to 20 mA | 0.25 | Int/Ext | - | Single | $10.39 (AD693AQ) |
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