UPD16716 查看數據表（PDF） - NEC => Renesas Technology

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UPD16716

384-OUTPUT TFT-LCD SOURCE DRIVER (COMPATIBLE WITH 64-GRAY SCALES)

NEC => Renesas Technology 

µ PD16716

(2/2)

Pin Symbol

Pin Name

I/O

Description

V0 to V9

γ -corrected power

−

Input the γ -corrected power supplies from outside by using operational amplifier.

supplies

Make sure to maintain the following relationships. During the gray scale voltage

output, be sure to keep the gray scale level power supply at a constant level.

VDD2 – 0.1 V ≥ V0 > V1 > V2 > V3 > V4 ≥ 0.5 VDD2 ≥ V5 > V6 > V7 > V8 > V9 ≥ VSS2 +

0.1 V

VDD1

Logic power supply

−

2.5 V to 3.6 V

VDD2

Driver power supply

−

15.0 V ± 0.5 V

VSS1

Logic ground

−

Grounding

VSS2

Driver ground

−

Grounding

Cautions 1. The power start sequence must be VDD1, logic input, and VDD2 & V0 to V9 in that order.

Reverse this sequence to shut down. (Simultaneous power application to VDD2 and V0 to V9 is

possible.)

2. To stabilize the supply voltage, please be sure to insert a 0.1 µF bypass capacitor between

VDD1-VSS1 and VDD2-VSS2. Furthermore, for increased precision of the D/A converter, insertion of a

bypass capacitor of about 0.01 µF is also advised between the γ -corrected power supply

terminals (V0, V1, V2, ···, V9) and VSS2.

Data Sheet S14417EJ1V1DS

5

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