ITD is a test device for the new audio bus system „A2B“ known from the automotive industry. In combination with the NOFFZ UTP this device allows you to simply test various components like audio speaker, amplifiers and Microphone-Arrays.


  • Data rate: 50 Mbit/s
  • Audio channel: 32 independent up- and downstreams
  • Single-Master, Multiple/slave bus Network: 11 knots (1x Master/10x Slave)
  • 10 m max. between two knots
  • 40 m max. total bus length
  • Network configuration: 350 ms (research period)
  • Knot configuration: 35 ms (research period)
  • Phantom power up to 300 mA
  • 24 Bit & 32 Bit channel
  • SECDED = Single Error Correction and Double Error Detection
Anfrage stellen
  • Steerable GUI

  • SW GUI: Configuration for audio speaker, amplifiers and microphones

  • Made for new generation A2B Chips

  • LabVIEW API for further automated test integration available

Technische Daten

MechanicsITD 1024
Housing169 mm x 52 mm x 100 mm (B x H x T)
Weight629 g
Input voltage12 VDC
Input current1.25 A (max.)
Power supplySuitable power supply included in delivery
Power Jack2.1 mm x 5.5 mm

InterfacesVariable Audio format A2B-Interfaces
PC-InterfaceRJ 45
Micro Controller16 bit
Memory64 kbit FRAM
Chip generationAD242X downward compatible
A²B interfaceMolex: Series 502352 2 pins (unshielded twisted pair)
Audio interfaceXLR differential analog audio (balanced)
Sampling Rate12 kHz, 24 kHz, 32 kHz,44.1 kHz, 48 kHz,
Chip Sampling Rate1.5 kHz, 1.171 kHz, 2 kHz, 2.4 kHz, 3 kHz, 4 kHz, 6 kHz,
12 kHz, 24 kHz, 44.1 kHz, 48 kHz

Future interfaces 
Electrical S/PDIF
Optical S/PDIF
Cinch / XLR / Cat5
Toslink TORX173; TOTX173
PDMInputs for high-dynamic range microphones


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