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DAQ system claims 75% power savings

Posted: 23 Dec 2009 ?? ?Print Version ?Bookmark and Share

Keywords:DAQ? analog? ADC? gain amplifier?

ADS8201 DAQ system

Texas Instruments Inc. debuts the 100KSps ADS8201, a complete on-chip DAQ system that draws only 600?A of supply current at 2.2V, resulting in up to 75 percent power savings over discrete implementations. The ADS8201 integrates a complete analog signal chain of four chips into one, offering customers system-processing capability. This level of integration provides greater design flexibility and reduces space, cost, power consumption and design time in portable communications and medical applications, as well as transducer interfaces, and GPS-based and sensor DAQ systems.

The ADS8201 integrates a 12bit, capacitor-based, successive approximate register ADC; a high-performance continuous-time programmable gain amplifier; and a fully automatic scan, 8-to-1 mux with breakout to allow for system flexibility.

High-impedance PGA and channel mapping allow for direct interface with a wide variety of sensors and for user-configurable gain per channel, while a high-speed, wide-voltage serial interface simplifies serial port design. It features single-ended and differential-ended inputs to allow a wide variety of interface options and an eight-deep first in first out permits flexible data reading while reducing overhead on the microprocessor.

The ADS8201 is available now in a QFN-16 package. Pricing starts at $2.75 in 1,000-unit quantities. Customers can simplify the tasks of collecting and analyzing ADC data and ease evaluation with the ADCPro modular software system.

For application notes on DAQ click here.

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