AN5192 Ver la hoja de datos (PDF) - Panasonic Corporation

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componentes Descripción

Fabricante

AN5192

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

Color signal processing circuit (continued) (In the following test conditions, burst 300 mV[p-p] (PAL) and reference is B-out)

Demodulation output angle ∠R

CW output level (4.43 MHz)

∠RDR Phase difference from B-Y axis

85 90 95 deg

VCWP AC component when VCO is set at 250 300 350 mV[p-p]

4.43 MHz

CW output level (3.58 MHz)

VCWN AC component when VCO is set at 

0

50 mV[p-p]

3.58 MHz

CW output level period (SECAM) TCW CW output period at SECAM

1.31 1.41 1.51 ms

SECAM discrimination current

ISECAM Minimum value for taking out current 50 100 150 µA

from pin 59 and discriminating as

SECAM

PAL/NTSC DC level

SECAM DC level

PAL/NTSC

output impedance

V59PN V59 DC level at PAL/SECAM

V59S V59 DC level at SECAM

R60,61PN DC measurement. pin 60, 61

impedance at PAL/NTSC

0.8 1.3 1.65 V

4.1 4.6 5.1 V

390 480 570 Ω

SECAM

output impedance

R60,61S DC measurement. pin 60, 61

impedance at SECAM

100   kΩ

RGB Processing Circuit (DAC Data are typical)

Pedestal difference voltage

Brightness voltage tracking

∆VIPL Difference voltage of R,G,B out pedestal 0  0.3 V

∆TBL R, G, B out fluctuation level ratio 0.9 1.0 1.1 Time

of DATA 02 (Brightness) 02 = 40 to C0

Video voltage gain relative ratio

Video voltage gain tracking

∆GYC Output ratio of R,B out to G out 0.8 1.0 1.2 Time

∆TCONT Gain ratio of R, G, B out of Data 03 0.9 1.0 1.1 Time/

(Contrast) 03 = 20 to 60

Time

Drive adjustment range

GDV AC change amount of R, B out between 5.3 6.3 7.3 dB

drive adjustment max. and min.

Cut-off adjustment range

VCUT-OFF DC change amount of R, G, B out 1.9 2.2 2.5 V

between cutoff adjustment at max.

and min.

YS threshold voltage

VYS Minimum DC voltage, when YS turns on 0.7 1.0 1.3 V

External RGB pedestal voltage

VEPL YS is On

1.7 2.3 2.9 V

External RGB pedestal difference ∆VEPL YS is On

voltage

0  250 mV

Internal and external pedestal

difference voltage

∆VPL/IE Internal-external

50 200 400 mV

External RGB output voltage

VERGB Input 3 V[p-p], contrast 03 = 7F

External RGB output difference voltage ∆VERGB Input 3 V[p-p], contrast 03 = 7F

External RGB contrast variable range ECmax/min 03 = 7F

03 = 00

4.3 5.4

− 0.6 0

10 13

6.5 V[p-p]

0.6 V

16 dB

External RGB frequency characteristics fRGBC Input 0.2 V[p-p], DC = 1 V

8 12  MHz

8

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