BUY MAX307CWI https://www.utsource.net/itm/p/1522687.html
Fixed-Point Digital Signal Processor 697-FCBGA
Description: Low-Voltage, Low-Power, 8-Channel, Serial 10-Bit A/D Converter Features: 8-Channel, 10-Bit A/D Conversion Low Power: 1.5 mW (Typ) at 5V Low Voltage: 2.7V to 5.5V Operation Serial Interface: SPI Compatible Low Noise: 0.5 μVrms (Typ) Low Drift: 0.5 ppm/°C (Typ) Fast Conversion: 1.5 μs (Typ) Low Cost: $2.50 (1000) Application: Portable Instruments Battery-Powered Systems Data Acquisition Systems Industrial Process Control Automotive Applications (For reference only)