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Data Sheet
18-Bit, 670 kSPS, Differential Programmable Input PulSAR® ADC
AD7634
FEATURES
Multiple pins/software-programmable input ranges 5 V (10 V p-p), +10 V (20 V p-p), ±5 V (20 V p-p), ±10 V (40 V p-p)
Pins or serial SPI®-compatible input ranges/mode selection Throughput
670 kSPS (warp mode) 570 kSPS (normal mode) 450 kSPS (impulse mode) INL: ±1.5 LSB typical, ±2.5 LSB maximum (±9.5 ppm of FSR) 18-bit resolution with no missing codes Dynamic range: 102.5 dB SNR: 101 dB @ 2 kHz THD: −112 dB @ 2kHz iCMOS® process technology 5 V internal reference: typical drift 3 ppm/°C; TEMP output No pipeline delay (SAR architecture) Parallel (18-/16-/8-bit bus) and serial 5 V/3.