PCF8591 AD / DA Converter Module Analog to digital conversion module A2TF
PCF8591 is a single-supply, low-power 8 COMS-type A / D, D / A converter chip, it has a 4-channel analog input channels, all the way to the analog output channels and an I2C bus interface. The device I2C slave address lower three chips A0, A1 and A2, three address pins decision so without adding any hardware with an I2C bus can connect up to eight devices of the same type. The device has a multi-channel analog input, on-chip track-and-hold, 8 A / D conversion and eight D / A conversion functions. A / D and D / A conversion rate determined by a maximum transfer rate of the I2C bus. Characteristics: Single power supply; The normal operating supply voltage range of 2.5V ~ 6V; Completed through the I2C bus data input / output; Device address is determined by three address pins; The sampling.
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