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.
製品詳細
Features
System Features
- Single power supply
- Operating supply voltage 2.5 V to 6.0 V
- Low standby current
- Serial input/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 differential inputs
- Auto-incremented channel selection
- Analog voltage range from VSS to VDD
- On-chip track and hold circuit
- 8-bit successive approximation analog-to-digital conversion
- Multiplying DAC with one analog output.
- Supply monitoring
- Reference setting
- Analog control loops
部品番号： PCF8591T.
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