Description

Differential/Single-Ended Input, Dual 1 MSPS, 12-Bit, 3-Channel SAR A/D Converter Features: Dual 12-bit, 3-channel ADC Throughput rate: 1 MSPS Specified for VDD of 2.7 V to 5.25 V Power consumption 7 mW at 1 MSPS with 3 V supplies 17 mW at 1 MSPS with 5 V supplies Pin-configurable analog inputs 12-channel single-ended inputs 6-channel fully differential inputs 6-channel pseudo differential inputs 70 dB SINAD at 50 kHz input frequency Accurate on-chip reference: 2.5 V ±0.2% maximum at 25°C, 20 ppm/°C maximum Dual conversion with read 875 ns, 16 MHz SCLK High speed serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible −40°C to +125°C operation Shutdown mode: 1 µA maximum 32-lead LFCSP and 32-lead TQFP