BUY MAX427ESA https://www.utsource.net/itm/p/1102560.html
Low Noise, High-Precision Op Amps
Description: Low-Power, Single-Supply, Rail-to-Rail, 8-Channel, 12-Bit A/D Converter Features: Single-Supply Operation: 2.7V to 5.5V 8-Channel Multiplexer 12-Bit Resolution Rail-to-Rail Inputs Low Power: 1.2mW/Channel Fast Conversion: 1.2μs/Channel Low Offset Error: ±1mV Low Drift: 0.2μV/°C Low Noise: 0.8μV RMS Low Total Unadjusted Error: ±1/2 LSB Low Power Shutdown Mode Low Cost 8-Pin SOP Package Applications: Portable Instrumentation Battery-Powered Systems Process Control Data Acquisition Industrial Automation Medical Equipment (For reference only)