Part No: TTL-232R-3V3-AJ
USB to UART cable Supports +3.3V UART signals
3.5mm audio jack output. Connector configuration: tip - TX, ring - RX, sleeve - GND.
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Part No: TTL-232R-3V3-AJ

USB to UART cable Supports +3.3V UART signals

  •  Data Rates: 3MBaud
  •  USB Speed: Full Speed (12Mbps)
  •  USB Connector: Type A
  •  End Connector: 3.5mm Audio Jack
  •  Cable Length: 1.8m
  •  Cable Details: 2 core and spiral, 24 AWG diam=5mm
  •  I/O Voltage: 3.3V
  •  Max Power Output: +5V / 75mA
  •  FTDI Internal IC: FT232R
  •  Operating Temperature: -40°C to +85°C

Product Details

The TTL-232R-3V3-AJ ("audio jack") is a USB to Serial (TTL level) converter cable which allows for a simple way to connect TTL serial interface devices to USB. This version of FTDI's USB to TTL serial adapter cable uses a 3.5mm audio jack on the serial interface and has it's I/O pins configured to operate at 3.3V levels.

The TTL-232R-3V3-AJ uses a FT232RQ device which is housed inside the USB 'A' connector, and is terminated at the end of a 1.8 m (70") cable with a 3.5 mm audio jack which provides access to transmit (Tx), receive (Rx), and GND signals.

The TTL-232R-3V3-AJ is fully RoHS compliant and is supplied loose packed in an anti-static bag. It is FCC and CE approved.

NOTE Window 7 Users:

If you simply plug in the FTDI device, you should find that the drivers will auto-install.

You will find the drivers for all other systems at: This includes Windows 8, and all other Windows Versions, Linux, Mac OS X, Windows CE. See the above URL address for full version information.