UPD161602AP 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD161602AP

360/396-OUTPUT TFT-LCD SOURCE DRIVER (COMPATIBLE WITH 64-GRAY SCALES)

NEC => Renesas Technology 

µPD161602A/B

6. RELATIONSHIP BETWEEN INPUT DATA AND OUTPUT VOLTAGE VALUE

The relation between input data and output voltage are shown in Table 6−2, 6−3.

Any 3 major points V1 to V3 from the LCD panel γ-characteristics curve can be used as the external power supplies.

The relationship V0 to V4 external power supplies and γ-correction resistance is shown in Table 6−1, Figure 6−1.

Table 6–1. Relationship between External Power Supply Pins and γ-correction Resistance

Pin Name

V0

V1

V2

V3

V4

Voltage (V)

5.0

3.5

2.5

1.5

0

Resistance (Ω)

0

7,500

12,500

17,500

25,000

Figure 6–1. Relationship between External Power Supply Pins and γ-correction Resistance

VDD2

V0

7500 Ω

V1

5000 Ω

V2

5000 Ω

V3

7500 Ω

V4

VSS2

This external power supply pins (V0 to V4) can customize the γ-correction voltage by selecting the desired voltage

from one of 250 divisions of the string resistor between VSS2 and VDD2, which generated γ-correction voltage. Note

that the voltage can be selected individually for both positive and negative polarity.

Data Sheet S15381EJ1V0DS

13

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