No-latency SAR ADC offers 145dB dynamic range
Linear introduces the LTC2380-24, a breakthrough no latency 24-bit 2Msps SAR ADC. The LTC2380-24 features an integrated digital filter that averages 1 to 65,536 conversion results 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 suitable for seismic, medical and 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. The LTC2380-24 allows results to be read out with a serial clock as low as 2MHz, easing interfacing to MPUs, enabling use with slower devices. The LTC2380-24 achieves true 24-bit noise performance and features high DC accuracy with a maximum INL of ±3.5ppm while dissipating 28mW from a single 2.5V supply.
The LTC2380-24 is available in small MSOP-16 and 4x3mm DFN-16 packages, priced starting at $31.95 each in 1,000 piece quantities. It is drop-in compatible with the LTC2378-20 family of 1Ms/s 0.5ppm INL no latency SAR ADCs, allowing easy system upgrades to 24 bits.
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