Description

1 MSPS, 12-Bit, Simultaneous Sampling SAR ADC with PGA and Four Comparators Features: Dual simultaneous sampling 12-bit, 2-channel analog-to-digital converter (ADC) True differential analog inputs Programmable gain stage: ×1, ×2, ×3, ×4, ×6, ×8, ×12, ×16, ×24, ×32, ×48, ×64, ×96, ×128 Throughput rate per ADC 1 MSPS for AD7262 500 kSPS for AD7262-5 Analog input impedance: >1 GΩ Wide input bandwidth −3 dB bandwidth: 1.7 MHz at gain = 2 4 on-chip comparators SNR: 73 dB typical at gain = 2, 66 dB typical at gain = 32 Device offset calibration, system gain calibration On-chip reference: 2.5 V −40°C to +105°C operation High speed serial interface SPI/QSPI™/MICROWIRE/DSP compatible 48-lead LFCSP and LQFP