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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 • 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 E VA L-ADAU1977Z/E VAL -ADAU1978Z/E VA L -
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.
11751-001
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
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