Pin descriptions and equivalent circuits, Adc1 173 – Rainbow Electronics ADC1173 User Manual

Page 4

Pin Descriptions and Equivalent Circuits

(Continued)

Pin

No.

Symbol

Equivalent Circuit

Description

2, 24

The ground return for the digital supply. AV

and

should be connected together close to the

ADC1173.

14, 15,

Positive analog supply pin. Connected to a clean,

quiet voltage source of +3V. AV

and DV

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

The ground return for the analog supply. AV

and

should be connected together close to the

ADC1173 package.

ADC1

173