Analog Devices ADAU1977, User Manual

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Evaluation Board User Guide
UG-600
One
Technology Way
•
P.O. Box 9106
•
Norwood, MA 02062-9106, U.S.A.
•
Tel: 781.329.4700
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Fax: 781.461.3113
•
www.analog.com
Evaluating the ADAU1977 / ADAU1978 / ADAU1979
FEATURES
For the evaluation of the ADAU1977 / ADAU1978 / ADAU1979
quad ADCs
Total harmonic distortion (THD) plus noise (N): −95 dB at
−1 dBFS
Signal to noise ratio (SNR): 109 dB, A weighting filter
Built-in diagnostics for microphone inputs
APPLICATIONS
Automotive
GENERAL DESCRIPTION
The EVAL-ADAU1977Z / EVAL-ADAU1978Z / EVAL-
ADAU1979Z is used for quick evaluation of the
ADAU1977 / ADAU1978 / ADAU1979 quad ADCs. The
evaluation board can output up to four channels of digital
output. The evaluation board requires a power supply of +5 V
for the
ADAU1978 and the ADAU1979 and a power supply of
+5 V and ±20 V (optional) for testing the diagnostic features of
the
ADAU1977 .
EVALUATION BOARD CONNECTION DIAGRAM
Figure 1.
1
1751-
001
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
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