AD5420AREZ-REEL7
Features
16-bit resolution and monotonicity
16-bit resolution and monotonicity
Current output ranges: 4 mA to 20 mA, 0 mA to 20 mA, or 0 mA to 24 mA
±0.01% FSR typical total unadjusted error (TUE)
±3 ppm/°C typical output drift
Flexible serial digital interface
On-chip output fault detection
On-chip reference (10 ppm/°C maximum)
Feedback/monitoring of output current
Asynchronous clear function
Power supply (AVDD) range
10.8 V to 40 V; AD5410AREZ/AD5420AREZ
10.8 V to 60 V; AD5410ACPZ/AD5420ACPZ
Output loop compliance to AVDD − 2.5 V
Temperature range: −40°C to +85°C
24-lead TSSOP and 40-lead LFCSP packages
Description
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The AD5410/AD5420 are low cost, precision, fully integrated 12-/16-bit converters offering a programmable current source output designed to meet the requirements of industrial process control applications. The output current range is programmable at 4 mA to 20 mA, 0 mA to 20 mA, or an overrange function of 0 mA to 24 mA. The output is open-circuit protected. The device operates with a power supply (AVDD) range from 10.8 V to 60 V. Output loop compliance is 0 V to AVDD − 2.5 V.
The flexible serial interface is SPI, MICROWIRE™, QSPI™, and DSP compatible and can be operated in 3-wire mode to minimize the digital isolation required in isolated applications.
The device also includes a power-on reset function, ensuring that the device powers up in a known state, and an asynchronous CLEAR pin that sets the output to the low end of the selected current range.
The total unadjusted error is typically ±0.01% FSR.
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