AJA ADA4 - Introduction; Block Diagrams

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AJA ADA4 4-Ch Bi-directional Audio A/D and D/A Converter User Manual — Introduction
Introduction
The ADA4 is a 4 channel converter which can be configured as a 4 channel A/D, a 4
channel D/A, or 2 channel A/D and 2 channel D/A. The ADA4 can accept a AES11,
wordclock, or video sync/color black reference input for synchronization. Reference
input and synchronization is automatic. Audio levels are configurable via dipswitch
control.
Features
• Simultaneous A/D and D/A, or AES Synchronizer
• Full-time AES11 low jitter reference output
• Up to 4 channels of balanced analog to AES/EBU audio
• Up to 4 channels of AES/EBU to balanced analog audio
• Supplied XLR breakout cable
• AES11/Wordclock/Tri-level Sync/Color Black Reference Loop
• Adjustable Audio Levels
• Sample Rate Conversion Between 96KHz and 48KHz
• Dipswitch configuration
• 5-18VDC Power
Block Diagrams
ADA4, Normal Mode Block Diagram (Jumper 2 Installed), A/D or D/A
Audio
D/A
Audio
A/D
Audio
A/D
Audio
D/A
Clock
Gen
Analog Audio Ch. 1 or
AES/EBU Ch. 1/2 In
Analog Audio Ch. 3 or
AES/EBU Ch. 3/4 In
Analog Audio Ch. 2 In
Analog Audio Ch. 4 In
Analog Audio Ch. 1 or
AES/EBU Ch. 1/2 Out
Analog Audio Ch. 3 or
AES/EBU Ch. 3/4 Out
Analog Audio Ch. 2 Out
Analog Audio Ch. 4 Out
Reference Loop
AES-11 Out
Dipswitch 1
Dipswitch 2
Reference Loop
Output A
Output B
Output C
Output D
Input A
Input B
Input C
Input D