Description

Dual, 18-Bit, 666ksps/ch Differential SoftSpan ADC with Wide Input Common Mode Range Features: 666ksps per Channel Throughput Two Simultaneous Sampling Channels ±4LSB INL (Maximum) Guaranteed 18-Bit, No Missing Codes Differential, Wide Common Mode Range Inputs Per-Channel SoftSpan Input Ranges: ±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V ±5V, 0V to 5V, ±2.5V, 0V to 2.5V 95dB Single-Conversion SNR (Typical) −114dB THD (Typical) at fIN = 2kHz 105dB CMRR (Typical) at fIN = 200Hz Rail-to-Rail Input Overdrive Tolerance Guaranteed Operation to 125°C Integrated Reference and Buffer (4.096V) SPI CMOS (1.8V to 5V) and LVDS Serial I/O Internal Conversion Clock, No Cycle Latency 74mW Power Dissipation (Typical) 32-Lead (5mm × 5mm) QFN Package