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24-Bit 2Msps SAR ADC Achieves 145dB Dynamic Range

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Linear Technology has introduces the LTC2380-24, a breakthrough no-latency 24-bit 2Msps successive approximation register (SAR) analog-to-digital converter (ADC). The LTC2380-24 features an integrated digital filter that averages 1-65,536 conversion results in real time, dramatically improving the dynamic range from 101dB at 1.5Msps to 145dB at an output data rate of 30.5sps. This makes the LTC2380-24 ideal for seismic, medical and many other applications demanding high dynamic range. Using an on-chip digital filter to average conversion results, the LTC2380-24 eliminates the processing burden from the digital host, conserving digital resources and the associated power. Moreover, the LTC2380-24 allows results to be read out with a serial clock as low as 2MHz, easing interfacing to microprocessors, enabling use with slower devices. The LTC2380-24 achieves true 24-bit noise performance from a single 2.5V supply. www.linear.com

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