Datasheet

BUF08630EVM Software Overview www.ti.com
5.2.12 Gain
Figure 27 shows the different programmable gain settings for the V
COM
output. The gain can be set using
the included buffer gains of 1 through 6, or can be configured externally by the user.
Figure 27. Gain Settings
The external function allows you to customize your gain levels using external resistors R
1
, R
2
, and R
3
.
Figure 28 shows where these resistors may be added on the BUF08630_Test_Board. You may use either
surface-mount or through-hole resistors.
Figure 28. Adding External Gain Resistors
26
BUF08630EVM User Guide and Software Tutorial SBOU091–September 2010
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