AN5308 データシートの表示（PDF） - Panasonic Corporation

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AN5308

Single chip IC for color TV (Built-in I2C bus interface)

Panasonic Corporation 

AN5308NK

ICs for TV

s Electrical Characteristics at Ta = 25°C (continued)

Parameter

Symbol

Conditions

Min Typ Max Unit

Y-signal processing (continued)

Video voltage gain

Video voltage gain relative ratio

AYG Cont.: max., Sharp.: min.

17 20 23 dB

AY Ratio between channels, Drive: typ. −2.5 0 2.5 dB

Video voltage gain relative ratio DL AYGD1 Y delay line on/off

−1.5 0 1.5 dB

Sharpness 1

AGSH1 f = 4 MHz, Aperture control SW: 00 11.5 14.5 17.5 dB

Sharpness 2

AGSH2 f = 3 MHz, Aperture control SW: 02 11.5 14.5 17.5 dB

Contrast control range max. value AGCON Sharp.: min., Cont.: typ.

3.5 6.0 8.5 dB

Contrast control range min. value yGCONmin Contrast: min.

 30 100 mV

Brightness changeable amount

VBR No input, Bright: min.→max.

3.0 3.7 4.4 V

DC re-generation factor 1

TDC1 APL10%→90% DC transmission 90 96 102 %

amount changeover: − direction

DC re-generation factor 2

TDC2 APL10%→90% DC transmission 96 103 110 %

amount changeover: + direction

Y-signal delay time 1

Y-signal delay time 2

Y-frequency characteristics 1

τDL1

τDL2

∆y1Y

Y delay line: On

Y delay line: Off

10 MHz attenuation amount

DL: On for f = 3 MHz

260 325 390 ns

160 205 250 ns

−6 −3 1 dB

Y-frequency characteristics 2

∆y2Y 10 MHz attenuation amount

DL: Off for f = 3 MHz

−5 −2 2 dB

ACL characteristics

ABL characteristics

Black extension amount 1

∆yACL Pin 51: 3 V→3.5 V

8 11

∆yABL Pin 43: 2.7 V→3.5 V

2.7 3.4

∆YBL1 Input: Whole black, pin 50: 5 V→ − 0.1 0

CR filter

14 dB/V

4.1 V/V

0.1 V

Black extension gain

∆YBL2 Input: Whole black, pin 50: 3 V 1.60 1.95 2.3 V

black gain: min.→max.

Black extension start point

∆YBL3 Pin 50: 5 V, set contrast to 2.7 V[p-p], − 0.12 0 0.12 V

after that with pin 50 CR filter

Black extension amount 2

∆YBL4 Black level: min., set contrast to 0.08 0.18 0.28 V

0.8 V[p-p], after that with pin 50 CR

filter

γ correction amount min. to max.

Yγ White γ gain: max., white γ gain: 0.50 0.85 1.20 V

min. to max.

Blooming level variation amount ∆YBLM Blooming DC pin 46: 0.5 V→4.5 V 3.2 3.9 4.6 V

Pedestal level (typical)

Chroma signal processing

YG Cut off: 80

2.0 2.4 2.8 V

ACC characteristics 1

ACC1 Color bar signal (Burst 300 mV[p-p]) −1 0

1

dB

ACC characteristics 2

ACC2 Color bar signal (Burst 15 mV[p-p]) −4 −1.5 1 dB

6

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