AD7679 Datasheet | Analog Devices

18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC AD7679 Features 18-bit resolution with no missing codes No pipeline delay (SAR architecture) Differential input range: ±VREF (VREF up to 5 V) Throughput: 570 kSPS INL: ±2.5 LSB max (±9.5 ppm of full scale) Dynamic range : 103 dB typ (VREF = 5 V) S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V) Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface SPI®/QSPI™/MICROWIRE™/DSP patible On-board reference buffer Single 5 V supply operation Power dissipation: 76 mW @ 500 kSPS 150 µW @ 1 kSPS 48-lead LQFP or 48-lead LFCSP package Pin-to-pin patible upgrade of AD7674/AD7676/AD7678 FUNCTIONAL BLOCK DIAGRAM PDBUF AGND AVDD REFBUFIN IN+ IN- SWITCHED CAP DAC...