PCF8591 Datasheet (NXP) - 8-bit A/D and D/A converter

PCF8591, 8-bit A/D and D/A converter

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

PCF8591 Features

* Single power supply

* Operating supply voltage 2.5 V to 6.0 V

* Low standby current

* Serial input and output via I2C-bus

* I2C address selection by 3 hardware address pins

* Max sampling rate given by I2C-bus speed

* 4 analog inputs configurable as single ended or diff