AN5192K Ver la hoja de datos (PDF) - Panasonic Corporation

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Fabricante

AN5192K

Single chip IC with I2C bus Interface for PAL/NTSC color TV system

Panasonic Corporation 

AN5192K

ICs for TV

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

Parameter

Symbol

Conditions

Min Typ Max Unit

AV SW circuit (continued)

Video SW external input pin voltage

V31 DC measurement

1.7 2.0 2.3 V

Video SW external output DC voltage V36E DC measurement Data 04 − D6 = 1 4.2 4.8 5.4 V

Video SW external input resistance

RI31 DC measurement

44 56 68 kΩ

Video SW output resistance

RO36 DC measurement

100 140 180 Ω

Audio SW voltage gain

GASW Data 04 − D6 = 1 (Outside)

f = 400 Hz, VIN = 1 V[p-p]

−1 0

1

dB

Audio SW input pin voltage

V33 DC measurement

3.7 4.2 4.7 V

Audio SW input output DC voltage V28 DC measurement

3.7 4.2 4.7 V

Audio SW input resistance

RI31 DC measurement

61 72 83 kΩ

Audio SW output resistance

RO28 DC measurement

200 400 600 Ω

Video SW internal clamp pin voltage V38 DC measurement

1.3 1.6 1.9 V

Video SW internal output DC voltage V36I DC measurement, Data 04 − D6 = 0 3.1 3.7 4.3 V

Video signal processing circuit (In the following test conditions, the measurements are made with input 0.6 V[p-p]

(VWB = 0.42 V[0-p]) stair-step, G-out.)

Video output (typ.)

VYO Data 03 = 40 (typ.) (Contrast)

1.65 2.1 2.55 V[p-p]

Video output (max.)

VYOmax Data 03 = 7F (max.)

3.6 4.5 5.35 V[p-p]

Video output (min.)

VYOmin Data 03 = 00 (min.)

0.07 0.25 0.5 V[p-p]

Contrast variable range

YCmax/min 03 = 7F

03 = 00

20 25 33 dB

Video frequency characteristics

fYC Data 0E − D1 = 1(Trap Off)

Data 04 = 00 (Sharpness)

5.5 6.8  MHz

Frequency to become −3 dB from

f = 0.2 MHz

Picture quality variable range

YSmax/min 04 = 3F

04 = 00

f = 3.8MHz

Data 0E − D1 = 1

9 13 17 dB

Pedestal level (typ.)

Pedestal level variable width

Brightness control sensitivity

VPED Data 02 = 80 (typ.) (Brightness)

1.9 2.5 3.1

V

∆VPED Difference between Data 02 = 00 and FF 2.0 2.6 3.2 V

∆VBRT Average amount of change for 1

7

Step between Data 02 = 60 and A0

11 14 mV/Step

Video input clamp voltage

ACL sensitivity

Blanking Off threshold voltage

VYCLP Clamp voltage of pin 43

3.2 3.7 4.2 V

ACL Change of Y-out when V20 = 3.0 V→3.5 V 2.1 2.7 3.2 V/V

VBOFF Maximum blanking Off voltage

in lowering pin 42 voltage

0.3 0.5 0.9 V

Blanking level

DC restoration ratio

VYBL

TDC

DC voltage of blanking pulse

APL 10% to 90%

TDC

=

∆AC −

∆AC

∆DC

×

100

0.5 1.0 1.5 V

90 100 110 %

6

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