A 12-bit successive approximation register ADC provides up to 1 MSPS throughput with a 50 MHz serial clock. The converter operates from a single 2.09 V to 5.25 V supply and accepts an analog input range from 0 V to VDD. Typical supply current is 367 µA at 3 V and 1 MSPS, with a power-down mode for low standby consumption. The high speed serial interface is SPI, QSPI, MICROWIRE, and DSP compatible, and the device is specified for −40°C to +125°C operation in an 8-lead LFCSP package.
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| ADC resolution | 12bit |
| Architecture | SAR ADC |
| Throughput rate | 1MSPS |
| Supply voltage | 2.09 to 5.25V |
| Analog input range | 0 to VDDV |
| Serial clock frequency | 50 maxMHz |
| SNR | 69 typ at VDD ≥ 2.7 VdB |
| SINAD | 68 typdB |
| THD | -86 typdB |
| SFDR | -85 typdB |
| Integral nonlinearity | ±1 maxLSB |
| Differential nonlinearity | ±0.9 maxLSB |
| Input capacitance during acquisition | 7 typpF |
| Conversion time | 650 maxns |
| Acquisition time | 350 maxns |
| Operating supply current | 367 typ at 3 V, 1 MSPSµA |
| Power-down current | 0.324 typ at 3 VµA |
| Operating temperature | -40 to +125°C |
| Package body size | 2.00 x 2.00mm |
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