The unipolar SAR analog-to-digital converter digitizes 0 V to 2.5 V inputs at up to 500 kSPS with 16-bit resolution and no pipeline delay. It operates from a single 5 V supply and provides parallel and serial interfaces compatible with 5 V or 3 V logic, including SPI, QSPI, MICROWIRE, and DSP connections. An internal 2.5 V reference with typical 7 ppm/°C drift is included, and typical power dissipation is 80 mW with the reference enabled at full throughput. Operation is specified from -40°C to +85°C in 48-lead LQFP and 48-lead LFCSP packages.
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| Resolution | 16bits |
| Throughput rate | 500kSPS |
| Analog input voltage range | 0 to 2.5V |
| Complete cycle time | 2µs |
| Integral linearity error | -6 to +6LSB |
| Differential linearity error | -2 to +3LSB |
| No missing codes | 15bits |
| Signal-to-noise ratio at 100 kHz | 86dB |
| Spurious-free dynamic range at 100 kHz | 98dB |
| Total harmonic distortion at 100 kHz | -96dB |
| Input bandwidth | 12MHz |
| Internal reference voltage | 2.5 typV |
| Internal reference temperature drift | ±7 typppm/°C |
| Analog supply voltage | 4.75 to 5.25V |
| Digital supply voltage | 4.75 to 5.25V |
| Output interface supply voltage | 2.7 to 5.25V |
| Power dissipation with reference at 500 kSPS | 80 typ, 90 maxmW |
| Operating temperature range | -40 to +85°C |
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