Lightning Logo

3DR Lightning III - 8-Channel, 16-Bit, 250 MSPS Analog-to-Digital Converter



  • Altera Arria 10: 10AX115U2F45I2SG
  • 4 GB DDR

Analog – ADS42JB69

  • Dual-channel 16bit ADC
  • 250 MegaSamples Per Second (MSPS)
  • Data rates up to 3.125 Gbps
  • JESD204B serial interface with up to
    four lane support
  • SNR: 73.3 dBFS, SFDR 93dBC @
    170MHz, 2Vpp, 1dBFS

External I/O Support Available Via:

  • Y-connector (2x)
  • Z-connector (1x)
  • JTAG
  • 4x—40 GbE daughter card
  • SMA
  • UART




Tailored Clocking and Triggering Flexibility

  • Sample gates (SMA) in/out
  • Trigger (SMA) in/out
  • Clock inputs (SMA)
  • On-board clock

Standard 3D Computing

  • K61 microcontroller interface
  • Controls power-on and power-down sequencing
  • Monitors voltages and report faults over I2C bus
  • Monitors current, e-fuse shut-down, and reports over I2C bus
  • Monitors board temperature over I2C bus (external sensor available)
  • On board EEPROM for data storage and logging (write protect available)
  • FPGAs and CPLDs programmable over JTAG bus (for applicable modules with FPGAs and CPLDs), or via connectors from other 3DR computing boards (firmware required)
Lightning III with shadow

Block Diagram