ꢀ ꢠꢉ ꢡꢢ ꢣ ꢤ
SBOS207B − OCTOBER 2001 − REVISED JUNE 2004
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The PGA2310 is mounted so that it straddles the split be-
tween the digital and analog ground planes. Pins 1 through
8 are oriented to the digital side of the board, while pins 9
through 16 are on the analog side of the board.
PRINTED CIRCUIT BOARD LAYOUT
GUIDELINES
It is recommended that the ground planes for the digital
and analog sections of the printed circuit board (PCB) be
separate from one another. The planes should be
connected at a single point. Figure 6 shows the
recommended PCB floor plan for the PGA2310.
Digital Power
Analog Power
+5V
DGND
AGND
−15V
+15V
Analog
Inputs
and
Host
PGA2310
Outputs
DIGITAL GROUND PLANE
ANALOG GROUND PLANE
Analog
Ground
Digital
Ground
Figure 6. Typical PCB Layout Floor Plan
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