... the analog plus comp
a
TM
EXAR Corporation 48720 Kato Road, Fremont, CA 94538 Phone (510)-668-7000, Fax (510)-668-7030
PRELIMINARY
15
PIN 19
(RED)
XRD9827
C
I
S
RL
VRT
VRB
VDD
PGA
6-BIT GAIN
REGISTER
M
U
X
Figure 12. Simplified Block Diagram Showing Gain Adjustment by XRD9827
21. Once the XRD9827 has been fully calibrated, any target can be scanned. For example: Scan a gray
scale to demonstrate the stair step response or a color target for color responsitivity.