Technical Reference Guide 2–17
System Features
All models have a Line In, Line Out and Microphone In connector located on the rear panel.
These external jacks are standard connectors.
Analog Devices AD1981A
Features of the AD1981A include:
■
S/PDIF output, 20 bits data format, supporting 48 kHz, 44.1 kHz, and 32 kHz
■
Integrated stereo headphone amplifier
■
Variable sample rate audio
■
External audio power down control
■
Greater than 90 dB dynamic range
■
16 bit stereo full duplex CODEC
■
20 bit resolution output DACs
■
Three analog line level stereo inputs for: line in, AUX and CD
■
Mono line level phone input
■
Mono MIC input with built in programmable pre-amp
■
High quality CD input with ground sense
■
Mono output for speakerphone or internal speaker
■
Power management support
Other Enhanced Features include:
■
Built in digital equalizer function for optimized speaker sound
■
Full duplex variable sample rates from 7040 Hz to 48 kHz with 1 Hz resolution
■
Multiple CODEC configuration options
Line in connector
Line out/speaker
connector
Microphone
connector
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