8 bit bidirectional voltage level shifter for digital interfaces and IOs with wire strap.Designed by ROBOTHINGS, Ships from Poland
You are buying RT-NVT2008 with selected LDO - 1 pc. 2.54 pin headers - 2 pc. Specification Voltage shifter with selected regulator Maximum input voltage: 5V Output voltage: depend on the LDO reg...Read More…
You are buying
This is a voltage level shifter/translator. It is capable of connecting the SPI/I2C communication buses or digital signals with different voltage standards. I.e. you can connect the 5V logic Arduino to 3.3V/1.8V logic sensors or to connect 3V3 IO of Digilent Analog Discovery to 1.8V/5V sensors.
This board has 8 bidirectional digital channels, SOT23-5 LDO voltage regulator for low side voltage and LEDs indicating supply voltages (low and high voltage). Voltage regulator can be used as power supply for connected sensor.
How it works?
Permitted voltage difference between devices is limited by equation (VREF_B - VREF_A)>= 1V. Where VREF_B is external supply voltage, VREF_A is the LDO regulator voltage.
This board has an optional RA and RB 0402 pull-up resistors. More on choosing proper value of the pull-up resistors can be found in NVT2008 Datasheet. We assemble 1k Ohm RB resistors.
Low Voltage LDO regulator
RT-NVT2008 has fixed voltage regulator in the SOT23-5 package. You can switch freely LDOs according to the table 1.
More on the robothings.pl
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