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Full machine-readable index: https://core-electronics.com.au/llms.txt # Adafruit CAN Pal - CAN Bus Transceiver - TJA1051T/3 **Type:** Product page · **SKU:** ADA5708 · **Brand:** [Adafruit](https://core-electronics.com.au/brands/adafruit-australia) **Page:** https://core-electronics.com.au/adafruit-can-pal-can-bus-transciever-tja1051t3.html ([markdown](https://core-electronics.com.au/adafruit-can-pal-can-bus-transciever-tja1051t3.html.md)) If you'd like to connect a board with native CAN Peripheral support, the Adafruit CAN Pal Transceiver will take the 3V logic level signals and convert... ## Pricing - **Price:** $7.15 (inc GST) — $6.50 AUD, exc GST - **Quantity discounts:** 10+ $6.31 (exc GST) · 50+ $6.17 (exc GST) ## Availability & dispatch - In stock, ships same business day if ordered before 2PM (Australia/Sydney). - We can dispatch 32 today; more stock is typically available with a 8–12 day lead time. ## How to buy - **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=ADA5708:1` (comma-separated SKU:qty pairs) and share the link. 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Share the cart link; checkout takes it from there. - **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works) - **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt ## Description If you'd like to connect a board with **native CAN Peripheral** support, the **Adafruit CAN Pal Transceiver** will take the 3V logic level signals and convert them to CAN logic levels with the differential signalling required to communicate. **Note that not all chips have a CAN peripheral**! Some that Adafruit know do have it are the [ESP32/ESP32-S2/ESP32-S3](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/twai.html) (note that ESP32 calls this interface TWAI not CAN) series of chips, [SAME51](https://core-electronics.com.au/adafruit-feather-m4-can-express-with-atsame51.html), [STM32F405](https://core-electronics.com.au/adafruit-feather-stm32f405-express.html), or [Teensy 4](https://core-electronics.com.au/pjrc-teensy-4-0-usb-development-board.html). Check the product documentation for the board you are wiring this to, to make sure that the chip has CAN support and the RX and TX pins are brought out for you to connect the transceiver to! Despite sharing the 'RX' and 'TX' name with UART, they're not at all the same interface. [CAN Bus is a small-scale networking standard](https://en.wikipedia.org/wiki/CAN_bus), originally designed for cars and, yes, busses, but is now used for many robotics or sensor networks that need better range and addressing than I2C, and don't have the pins or computational ability to talk on Ethernet. CAN is 2 wire differential, which means it's good for long distances and noisy environments. Messages are sent at about 1Mbps rate - you set the frequency for the bus and then all 'joiners' must match it, and have an address before the packet so that each node can listen in to messages just for it. New nodes can be attached easily because they just need to connect to the two data lines anywhere in the shared net. Each CAN devices sends messages whenever it wants, and thanks to some clever data encoding, can detect if there's a message collision and retransmit later. Adafruit have added a few nice extras to this breakout pal to make it useful in many common CAN scenarios: - [**TJA1051/T3**](https://www.nxp.com/products/interfaces/can-transceivers/can-with-flexible-data-rate/high-speed-can-transceiver:TJA1051) can communicate with 3.3V~5V logic for use with modern microcontrollers. - [**5V charge-pump voltage generator**](https://core-electronics.com.au/adafruit-miniboost-5v-100ma-charge-pump-ap3602a.html), so even though you are running 3.3V power and logic on most modern microcontroller boards, it will generate a nice clean 5V as required by the transceiver. **No separate 5V power required!** - **[3.5mm terminal block](https://core-electronics.com.au/terminal-block-3-pin-3-5mm-pack-of-5.html)** pre-soldered to the board. - **2 x 60 ohm termination resistor on board (120 ohm in series)**, you can remove or activate the termination easily by flipping the onboard switch. ## Technical Details **TJA1051T/3 Specifications:** - Fully ISO 11898-2:2003 compliant - Timing guaranteed for data rates up to 5 Mbit/s in the CAN FD fast phase - Suitable for 12 V and 24 V systems - Low ElectroMagnetic Emission (EME) and high ElectroMagnetic Immunity (EMI) - VIO input on TJA1051T/3 and TJA1051TK/3 allows for direct interfacing with 3 V to 5 V microcontrollers - Functional behaviour predictable under all supply conditions - Transceiver disengages from the bus when not powered up (zero load) - High ElectroStatic Discharge (ESD) handling capability on the bus pins - Bus pins protected against transients in automotive environments - Transmit Data (TXD) dominant time-out function - Undervoltage detection on pins VCC and VIO - Thermally protected Product Dimensions: 20.3mm x 20.2mm x 4.0mm / 0.8" x 0.8" x 0.2" Product Weight: 1.4g / 0.0oz ![RoHS 2 2011 65 EU Compliant](https://core-electronics.com.au/attachments/localcontent/RoHS2_2011_65_EU_7356c5574c.svg)![RoHS 2 2015 863 EU Compliant](https://core-electronics.com.au/attachments/localcontent/RoHS2_2015_863_EU_86773f57f9.svg) ## Images - [Product image 1](https://core-electronics.com.au/media/catalog/product/5/7/5708-04.jpeg)