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- SKU: 0615 | DAA771
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Rs.200.00 + GST
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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.
Some Point -
PCF8591 is AD/DA Convertor Module.
A module chip using PCF8591
Module supports external voltage input capture (input voltage range 0-5v)
Three modules integrated photoresistor acquisition environment through the AD intensity accurate numerical
Modules integrated thermistor, can capture the precise value of the ambient temperature through the AD
The five-module integrated 1 channel 0-5V voltage input acquisition (blue potentiometer to adjust the input voltage)
Modules with power indicator light (on the module after power indicator lights)
Modules with the DA output indicator light board DA output indicator module DA output interface voltage reaches a certain value, the voltage the greater the light brightness is more obvious;
Module PCB size: 3.6cm * 2.3cm
Standard double-sided, plate thickness 1.6mm, the layout is nice, surrounded by the through-hole, aperture: 3mm, convenient fixed
Features of PCF8591 Module
Operating voltage range of 2.5V to 6V
Low standby current
Through the I2C bus serial input / output
PCF8591 interface only by 3 hardware pins
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