The ADS1241E/1K (购买请点击) are precision, wide dynamic range,delta-sigma, Analog-to-Digital (A/D) conver resolutionoperating from 2.7V to 5.25V power supplies. The delta-sigma A/Dconverter provides up to 24 bits of no missing code performance andeffective resolution of 21 bits.
The input channels are multiplexed. Internal buffering can beselected to provide very high input impedance for direct connectionto transducers or low-level voltage signals. Burnout current sourcesare provided that allow for detection of an open or shorted sensor.An 8-bit Digital-to-Analog (D/A) converter provides an offset correctionwith a range of 50% of the Full-Scale Range (FSR)ADS1241E/1K (购买请点击).
The Programmable Gain Amplifier (PGA) provides selectable gains of1 to 128, with an effective resolution of 19 bits at a gain of 128. TheA/D conversion is accomplished with a 2nd-order delta-sigma modulatorand programmable Finite-Impulse Response (FIR) filter thatprovides a simultaneous 50Hz and 60Hz notch. The reference inputis differential and can be used for ratiometric conversionADS1241E/1K (购买请点击).
The serial interface is SPI compatible. Up to eight bits of dataI/O are also provided that can be used for input or output. The ADS1241E/1K (购买请点击)are designed for high-resolution measurementapplications in smart transmitters, industrial process control,weigh scales, chromatography, and portable instrumentation.
FEATURES
24 BITS NO MISSING CODES;
SIMULTANEOUS 50Hz AND 60Hz REJECTION(–90dB MINIMUM);
21 BITS EFFECTIVE RESOLUTION(PGA = 1), 19 BITS (PGA = 128);
PGA GAINS FROM 1 TO 128ADS1241E/1K (购买请点击);
SINGLE CYCLE SETTLING;
PROGRAMMABLE DATA OUTPUT RATES;
EXTERNAL DIFFERENTIAL REFERENCE;
OF 0.1V TO 5V;
ON-CHIP CNSBRATION;
ON™ COMPATIBLE;
2.7V TO 5.25V SUPPLY RANGE;
600μW POWER COTIUMPTION;
UP TO EIGHT INPUT CHANNELS;
UP TO EIGHT DATA I/O。
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