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ADC-DAC Pi Zero

Ár:
8.490 Ft (6.685 Ft + ÁFA)
Átlagos értékelés: Nem értékelt
Raktáron: 5 db
Raktáron = azonnal szállítható!
+3 munkanap: 0 db
Raktáron = azonnal szállítható!
Cikkszám 54987
Menny.:db
Rendelések gyors feldolgozása
GLS és MPL szállítás
A hely, ahol a tanulás buli!

MálnaSuli

A MálnaSuli a mi virtuális iskolánk, ahol szakmai titkokat osztunk meg veled. Termékeinkhez kapcsolódó oktatási anyagokon és alkalmazási példákon keresztül játszva juthatsz SW és HW ismeretekhez. Sőt, a nálunk vásárolt eszközök felhasználásához igénybe vehető mérnökeink és tanáraink segítsége is.

Leírás

ADC-DAC Pi Zero

The ADC-DAC Pi Zero is a 2 channel 12 bit analogue to digital converter and 2 channel 12 bit digital to analogue converter designed to work with the Raspberry Pi.   Designed for the same footprint as the Raspberry Pi Zero the ADC-DAC Pi Zero is also compatible with full size Raspberry Pi models.

The ADC-DAC Pi Zero is based on the Microchip MCP3202 A/D converter containing 2 analogue inputs with 12 bit resolution with a Microchip MCP4822 dual channel 12-bit DAC with internal voltage reference.

Power to the board is provided through the host Raspberry Pi using the GPIO port. Only one ADC-DAC Pi Zero can be used on a Raspberry Pi but the extended pins on the GPIO connector allow you to stack the ADC-DAC Pi Zero along with other expansion boards.  Mounting holes on the board can be used to securely fit the board on your Raspberry Pi.  As the ADC-DAC Pi Zero uses the same footprint as the Raspberry Pi Zero only two of the mounting holes can be used on the larger Raspberry Pi models.

The A/D and D/A converters communicate with the Raspberry Pi through the SPI interface. 

Max ADC Sample Rate using Python library on a Pi 4: 11,000 samples per second.

Max ADC Sample Rate using C library on a Pi 4: 17,500 samples per second.

Max ADC Sample Rate using C++ library on a Pi 4: 17,500 samples per second.

Max ADC Sample Rate (based on MCP3202 datasheet): 50,000 sps at 2.7V. 100,000 sps at 5V.  ADC-DAC Pi operates at 3.3V on Raspberry Pi.

The ADCDAC Pi Zero is compatible with all Raspberry Pi models from the A+ and B+ onwards.

Not sure which ADC you need ? Check our Analogue to Digital Buyers guide to compare our ADC expansion boards.

Input Ratings & Specifications

Spec Ratings
Vdd 3.3V
ADC Input Voltage 0V to 3.3V
Maximum ADC Input voltage VSS–0.6V to VDD+0.6 V
DAC Output Voltage Gain = 1: 0V to 2.048V
Gain = 2: 0V to VDD
Maximum DAC Output Current 25mA
SPI voltage 3.3V

ADC DAC Pi Zero - 3D CAD File (STEP Format)

Click to download schematic PDF.

Assembly

The ADC DAC Pi Zero is supplied with the 40 pin GPIO connector unsoldered.  We supply the ADC DAC Pi Zero this way because the Raspberry Pi Zero is also supplied without a GPIO header and the ADC DAC Pi Zero could therefore be fitted both above or below the Raspberry Pi Zero.

Before using the ADC DAC Pi Zero you will need to solder the connector onto the PCB.

Download and print our PCB Header Assembly Jig to hold your circuit board when soldering the header pins.

Compatibility

Raspberry Pi Model A No
Raspberry Pi Model B No
Raspberry Pi 1 Model A+ Yes
Raspberry Pi 1 Model B+ Yes
Raspberry Pi 2 Model B Yes
Raspberry Pi 3 Model B & 3+ Yes
Raspberry Pi 4 Yes
Raspberry Pi Zero Yes
Raspberry Pi Zero W Yes

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