8-bit A/D and D/A converter

The PCF8591 is a single-chip, single‑supply low‑power 8‑bit CMOS data acquisitiondevice with four analog inputs, one analog output and a serial I²C‑bus interface. Threeaddress pins A0, A1 and A2 are used for programming the hardware address, allowingthe use of up to eight devices connected to the I² Single power supply\nOperating supply voltage 2.5 V to 6.0 V\nLow standby current\nSerial input/output via I²C-bus\nI²C address selection by 3 hardware address pins\nMax sampling rate given by I²C-bus speed\n4 analog inputs configurable as single ended or differential inputs\nAuto-incremented channe;

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