PCF8591 Module Analog to Digital / Digital-Analog Converter Module with F-F Jumper Wire

This is a breakout board/Prototype Board for PCF8591 IC. The PCF8591 is a single-chip, single‑supply low‑power 8‑bit CMOS data acquisition device with four analog inputs, one analog output, and a serial I²C‑bus interface. Three address pins A0, A1, and A2 are used for programming the hardware address, allowing the use of up to eight devices connected to the I²C‑bus without additional hardware. Address, control, and data to and from the device are transferred serially via the two-line bidirectional I²C‑bus.

The functions of the device include analog input multiplexing, on-chip track and hold function, 8-bit analog‑to‑digital conversion, and an 8‑bit digital‑to‑analog conversion. The maximum conversion rate is given by the maximum speed of the I²C-bus.

Key indicators:
Single-Supply Operation PCF8591 operating voltage range of 2.5V to 6V Low standby current through the I2C bus serial input/output PCF8591 by 3 hardware address pins addressing Sampling rate PCF8591 I2C bus rate decided 4 analog inputs programmable as single-ended or differential inputs Automatic incremental channel selection PCF8591 analog voltage range from VSS to VDD PCF8591 built-in track and hold circuit 8-bit successive approximation A / D converter through an analog output DAC gain

Interface:
The module’s left and right, respectively, the external expansion of the 2-way pin interface, respectively, as follows: Output interface of the left the AOUT chip DA The AINO chip analog input interface. AIN1 chip analog input interface AIN2 chip analog input interface AIN3 chip analog input interface

The right side of the SCL IIC clock interface to access the microcontroller IO port The SDA IIC digital interface connected microcontroller IO port GND module to an external VCC power supply interface external 3.3v-5v Module red jumper instructions for use Module three red short circuit cap, respectively, the role is as follows: P4 connected to the P4 jumper, select thermistor access circuit P5 connected to P5 jumper to select the photoresistor access circuit P6 connected to the P6 jumper, to select 0-5V adjustable voltage access circuit.