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> ADS1211U 24-bit analog-digital converter soic ADS1211
ADS1211U 24-bit analog-digital converter soic ADS1211
24-Bit Analog-to-Digital Converter
The ADS1210 and ADS1211 are precision, wide dynamic range, delta-sigma analog-to-digital converters with 24-bit resolution operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers or low level voltage signals. The delta-sigma architecture is used for wide dynamic range and to guarantee 22 bits of no missing code performance. An effective resolution of 23 bits is achieved through the use of a very low-noise input amplifier at conversion rates up to 10Hz. Effective resolutions of 20 bits can be maintained up to a sample rate of 1kHz through the use of the unique Turbo modulator mode of operation. The dynamic range of the converters is further increased by providing a low-noise programmable gain amplifier with a gain range of 1 to 16 in binary steps.
The ADS1210 and ADS1211 are designed for high resolution measurement applications in smart transmitters, industrial process control, weigh scales, chromatography and portable instrumentation. Both converters include a flexible synchronous serial interface which is SPI compatible and also offers a two-wire control mode for low cost isolation.
* 23 BITS EFFECTIVE RESOLUTION AT 10Hz AND 20 BITS AT 1000Hz
* PROGRAMMABLE GAIN AMPLIFIER
* FLEXIBLE SPI COMPATIBLE SSI INTERFACE WITH 2-WIRE MODE
* PROGRAMMABLE CUT-OFF FREQUENCY UP TO 15.6kHz
* INTERNAL/EXTERNAL REFERENCE
* ADS1211 INCLUDES 4-CHANNEL MUX
* INDUSTRIAL PROCESS CONTROL
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