UPD161602A データシートの表示（PDF） - NEC => Renesas Technology
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UPD161602A
NEC => Renesas Technology
UPD161602A Datasheet PDF : 23 Pages
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µPD161602A/B
4.1 γ-Correction Power Supply Connection Example
The µ PD161602A/B enables customization of the γ -correction power supply on both the positive and negative
polarity sides (refer to 6. RELATIONSHIP BETWEEN INPUT DATA AND OUTPUT VOLTAGE VALUE).
Consequently, a γ -correction power supply does not have to be input externally when a single source-driver chip is
being used in the panel.
Multiple chips can also be used without having to input a γ -correction power supply externally because the error
between the chips can be absorbed by shorting the γ -correction power supply pins, as shown in Figure 4–2.
Figure 4–2. γ -Correction Power-Supply Connection Example
·Single chip
<Example 1 (GAM = L)>
Open
External power supply input
VDD2 VSS2 V0 V1 V2 V3 V4
VSS2 VDD2
mPD161602
<Example 2 (GAM = H)>
External power supply input
External power supply input
VDD2 VSS2 V0 V1 V2 V3 V4
VSS2 VDD2
mPD161602
·Multiple chips
<Example 1 (GAM = L)>
Vn - Vn short
External power supply input
VDD2 VSS2 V0 V1 V2 V3 V4
VSS2 VDD2
VDD2 VSS2 V0 V1 V2 V3 V4
VSS2 VDD2
mPD161602
mPD161602
<Example 2 (GAM = H)>
External power supply input
External power supply input
VDD2 VSS2 V0 V1 V2 V3 V4
VSS2 VDD2
VDD2 VSS2 V0 V1 V2 V3 V4
VSS2 VDD2
mPD161602
mPD161602
10
Data Sheet S15381EJ1V0DS
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