BUY AD7859ASZ https://www.utsource.net/itm/p/4166818.html
3 V to 5 V Single Supply, 200 kSPS 8-Channel, 12-Bit Sampling ADCs
Description: The AD7859 is a low power, high performance, 8-bit, successive approximation A/D converter. Features: 8-Bit Resolution Low Power: 2.7 V to 5.25 V Single Supply Operation 3.3 V and 5 V Dual Supply Operation Low Power Consumption: 2.7 V Single Supply: 1.8 mA (max) at 10 kSPS 2.7 mA (max) at 50 kSPS 5 V Single Supply: 2.2 mA (max) at 10 kSPS 3.2 mA (max) at 50 kSPS Low Noise: 1.5 μV RMS (max) at 10 kSPS 2.5 μV RMS (max) at 50 kSPS Fast Conversion Time: 10 μs (max) at 10 kSPS 20 μs (max) at 50 kSPS On-Chip Reference Low Cost 44-Lead Plastic QFP Package Applications: Portable Instrumentation Industrial Process Control Data Acquisition Systems Automotive Electronics Battery-Powered Systems Medical Electronics Portable Communications Portable Test Equipment (For reference only)