Electronicdesign Com Products Analog And Mixed Signal Single Wire 16 Bit Dac Simplifies Smart Transmitters
Electronicdesign Com Products Analog And Mixed Signal Single Wire 16 Bit Dac Simplifies Smart Transmitters
Electronicdesign Com Products Analog And Mixed Signal Single Wire 16 Bit Dac Simplifies Smart Transmitters
Electronicdesign Com Products Analog And Mixed Signal Single Wire 16 Bit Dac Simplifies Smart Transmitters
Electronicdesign Com Products Analog And Mixed Signal Single Wire 16 Bit Dac Simplifies Smart Transmitters

Single-Wire 16-bit DAC Simplifies Smart Transmitters

Aug. 22, 2011
Promising to ease the design of smart transmitters in two-wire sensor systems, the DAC161P997 d/a converter sports a single-wire interface and 4-mA to 20-mA current loop drive.

Promising to ease the design of smart transmitters in two-wire sensor systems, the DAC161P997 d/a converter sports a single-wire interface and 4-mA to 20-mA current loop drive. Its delta-sigma DAC offers 16-bit accuracy with a temperature coefficient of 29 ppm and long-term output current drift of 90 ppm while consuming less than 190 mA. The loop drive interfaces to a highway addressable remote transducer modulator, allowing injection of FSK-modulated digital data into the current loop. Other features include an operating temperature from -40°C to +125°C. Available in a 16-pin, 4 mm x 4 mm LLP, price is $4 each/1,000. NATIONAL SEMICONDUCTOR CORP., Santa Clara, CA. (800) 272-9959.

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