3 V/5 V, 10 V Input Range, 1 mW 3-Channel 16-Bit, Sigma-Delta ADC Features: Charge balancing ADC 16 bits no missing codes 0.003% nonlinearity True bipolar ±100 mV capability on low level input Channels without requiring charge pumps 3-wire serial interface SPI®, QSPI™, MICROWIRE™ and DSP Compatible Schmitt trigger input on SCLK Gains from 1 to 128 Programmable gain front end Ability to buffer the analog input 2.7 V to 3.3 V or 4.75 V to 5.25 V operation Power dissipation 1 mW @ 3 V Standby current 8 µA max 20-Lead SOIC and TSSOP Packages High level (±10 V) and low level (±10 mV) input channels