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AD5422 数据表(PDF) 1 Page - Analog Devices |
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AD5422 数据表(HTML) 1 Page - Analog Devices |
1 / 37 page Single Channel, 16-Bit, Serial Input, Current Source & Voltage Output DAC Preliminary Technical Data AD5422 Rev. PrE Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved. FEATURES 16-Bit Resolution and Monotonicity Current Output Ranges: 4–20mA, 0–20mA or 0–24mA 0.1% typ Total Unadjusted Error (TUE) 5ppm/°C Output Drift Voltage Output Ranges: 0-5V, 0-10V, ±5V, ±10V, 10% over-range 0.05% Total Unadjusted Error (TUE) 3ppm/°C Output Drift Flexible Serial Digital Interface On-Chip Output Fault Detection On-Chip Reference (10 ppm/°C Max) Asynchronous CLEAR Function Power Supply Range AVDD : 10.8V to 40 V AVSS : -26.4V to -3V/0V Output Loop Compliance to AVDD – 2.5 V Temperature Range: -40°C to +85°C TSSOP and LFCSP Packages APPLICATIONS Process Control Actuator Control PLC GENERAL DESCRIPTION The AD5422 is a low-cost, precision, fully integrated 16-bit converter offering a programmable current source and programmable voltage output designed to meet the requirements of industrial process control applications. The output current range is programmable to 4mA to 20 mA, 0mA to 20mA or an overrange function of 0mA to 24mA. Voltage output is provided from a separate pin that can be configured to provide 0V to 5V, 0V to 10V, ±5V or ±10V output ranges, an over-range of 10% is available on all ranges. Analog outputs are short and open circuit protected and can drive capacitive loads of 1uF and inductive loads of 1H. The device is specified to operate with a power supply range from 10.8 V to 40 V. Output loop compliance is 0 V to AVDD – 2.5 V. The flexible serial interface is SPI and MICROWIRE 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 which sets the outputs to zero-scale / mid-scale voltage output or the low end of the selected current range. The total output error is typically ±0.1% in current mode and ±0.05% in voltage mode. Table 1. Related Devices Part Number Description AD5412 Single Channel, 12-Bit, Serial Input Current Source and Voltage Output DAC AD5420 Single Channel, 16-Bit, Serial Input Current Source DAC AD5410 Single Channel, 12-Bit, Serial Input Current Source DAC |
类似零件编号 - AD5422 |
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类似说明 - AD5422 |
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