Description
Specification:
Main chip: PCF8951
Single power supply
Operating voltage range of 2.5V ~ 6V
Low standby current
Via I2C-bus serial input/output
Addressing by 3 hardware address pins
PCF8591 sampling rate decided by I2C bus speed
4 analog inputs programmable as single-ended or differential inputs
Auto increment channel selection
PCF8591 analog voltage range from VSS to VDD
PCF8591 built-track and hold circuit
The 8-bit successive approximation A / D converter
DAC gain realized by one analog output
PCB size: 3.6 x 2.3cm
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