Rainbow Electronics ADC1173 - Manual (Page 4)

Pin Descriptions and Equivalent Circuits
(Continued)
Pin
No. Symbol Equivalent Circuit
Description
2, 24 DV
SS
The ground return for the digital supply. AV
SS
and
DV
SS
should be connected together close to the
ADC1173.
14, 15,
18
AV
DD
Positive analog supply pin. Connected to a clean,
quiet voltage source of +3V. AV
DD
and DV
DD
should
have a common source and be separately bypassed
with a 10 µF capacitor and a 0.1 µF ceramic chip
capacitor. See Section 3.0 for more information.
20, 21 AV
SS
The ground return for the analog supply. AV
SS
and
DV
SS
should be connected together close to the
ADC1173 package.
ADC1
173
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