1) On page 31 of
User's Guide
SBAU134–August 2008
we see a schematic of ADS1174EVM. The pin number 7 of ADS1174 is named "NC" and not connected. But on page 5 of
(ADS1174
ADS1178
SBAS373B–OCTOBER 2007–REVISED SEPTEMBER 2008)
pin 7 named "DGND". Can I not connect it?
2) in User's Guide
SBAU134–August 2008, page 31.
Why a 10uF capasitors is not plased at power pins? Is it not necessary? (
ADS1174
ADS1178
SBAS373B–OCTOBER 2007–REVISED SEPTEMBER 2008 page 23
To achieve rated performance, it is critical that the power supplies are bypassed with 0.1mF and 10mF capacitors placed as close as possible to the supply pins.)
P.S.
another questions:
in User's Guide
SBAU134–August 2008, pages 33-38 - PCB Layout, I dont see connection J7(GND) to GND net(page 32).