UU97950

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CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

9 of 14

www.unisonic.com.tw

QW-R125-048.a



DETAILED COMMAND DESCRIPTION (Cont.)

The relationship of electrical volume register(EVR) setting and V0 voltage

EVR

Calculation

formula

VLCD=5.5V

VLCD=5V

VLCD=4V

VLCD=3.5V

VLCD=3V

VLCD=2.5V

0

VLCD

V0=5.5

V0=5.0

V0=4.0

V0=3.5

V0=3.0

V0=2.5

1

0.967×VLCD

V0=5.323

V0=4.839

V0=3.871

V0=3.387

V0=2.903

V0=2.419

2

0.937×VLCD

V0=5.156

V0=4.688

V0=3.750

V0=3.281

V0=2.813

V0=2.344

3

0.909×VLCD

V0=5.0

V0=4.545

V0=3.636

V0=3.182

V0=2.727

V0=2.273

4

0.882×VLCD

V0=4.853

V0=4.412

V0=3.529

V0=3.088

V0=2.647

V0=2.206

5

0.857×VLCD

V0=4.714

V0=4.286

V0=3.429

V0=3.0

V0=2.571

V0=2.143

6

0.833×VLCD

V0=4.583

V0=4.167

V0=3.333

V0=2.917

V0=2.5

V0=2.083

7

0.810×VLCD

V0=4.459

V0=4.054

V0=3.243

V0=2.838

V0=2.432

V0=2.027

8

0.789×VLCD

V0=4.342

V0=3.947

V0=3.158

V0=2.763

V0=2.368

V0=1.974

9

0.769×VLCD

V0=4.231

V0=3.846

V0=3.077

V0=2.692

V0=2.308

V0=1.923

10

0.750×VLCD

V0=4.125

V0=3.75

V0=3.0

V0=2.625

V0=2.25

V0=1.875

11

0.731×VLCD

V0=4.024

V0=3.659

V0=2.927

V0=2.561

V0=1.195

V0=1.829

12

0.714×VLCD

V0=3.929

V0=3.571

V0=2.857

V0=2.5

V0=2.143

V0=1.786

13

0.697×VLCD

V0=3.837

V0=3.388

V0=2.791

V0=2.442

V0=2.093

V0=1.744

14

0.681×VLCD

V0=3.75

V0=3.409

V0=2.727

V0=2.386

V0=2.045

V0=1.705

15

0.666×VLCD

V0=3.667

V0=3.333

V0=2.667

V0=2.333

V0=2.000

V0=1.667

16

0.652×VLCD

V0=3.587

V0=3.261

V0=2.609

V0=2.283

V0=1.957

V0=1.63

17

0.638×VLCD

V0=3.511

V0=3.191

V0=2.553

V0=2.234

V0=1.915

V0=1.596

18

0.625×VLCD

V0=3.438

V0=3.125

V0=2.5

V0=2.188

V0=1.875

V0=1.563

19

0.612×VLCD

V0=3.367

V0=3.061

V0=2.449

V0=2.143

V0=1.837

V0=1.531

20

0.6×VLCD

V0=3.3

V0=3.0

V0=2.40

V0=2.10

V0=1.8

V0=1.5

21

0.588×VLCD

V0=3.235

V0=2.941

V0=2.353

V0=2.059

V0=1.765

V0=1.471

22

0.576×VLCD

V0=3.173

V0=2.885

V0=2.308

V0=2.019

V0=1.731

V0=1.442

23

0.566×VLCD

V0=3.113

V0=2.83

V0=2.264

V0=1.981

V0=1.698

V0=1.415

24

0.555×VLCD

V0=3.056

V0=2.778

V0=2.222

V0=1.944

V0=1.667

V0=1.389

25

0.545×VLCD

V0=3.0

V0=2.727

V0=2.182

V0=1.909

V0=1.636

V0=1.364

26

0.535×VLCD

V0=2.946

V0=2.679

V0=2.143

V0=1.875

V0=1.636

V0=1.339

27

0.526×VLCD

V0=2.895

V0=2.632

V0=2.105

V0=1.842

V0=1.607

V0=1.316

28

0.517×VLCD

V0=2.845

V0=2.586

V0=2.069

V0=1.810

V0=1.579

V0=1.293

29

0.508×VLCD

V0=2.797

V0=2.542

V0=2.034

V0=1.78

V0=1.525

V0=1.271

30

0.50×VLCD

V0=2.75

V0=2.5

V0=2.0

V0=1.75

V0=1.50

V0=1.250

31

0.491×VLCD

V0=2.705

V0=2.459

V0=1.967

V0=1.72

V0=1.475

V0=1.230

* Incase EVR using, please satisfy VLCD-V0>0.6V.

* If do not satisfy this condition, IC output will be unstable, Do not use V0<2.5V area.