STV2247H(2009) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STV2247H
(Rev.:2009)

I²C bus-controlled multistandard single chip TV processor

STMicroelectronics 

STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS

Symbol

FMax.-W

Flesh-W

Frange-W

Parameter

Maximum Phase Correction

Chroma Input Phase at Max. cor-

rection

Auto Flesh Control

Test Conditions

Register 14(HEX), d6 = 1, d7 = 1

Register 14(HEX), d6 = 1, d7 = 1

Register 14(HEX), d6 = 1, d7 = 1

Min.

Typ. Max.

±20

±45

±90

Unit

Deg

Deg

Deg

4.8.8 Color Demodulators

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

DoffsetP Demodulator Offset

PAL/NTSC mode, 75% color bar

±2 %

DoffsetS Demodulator Offset

SECAM mode, 75% color bar

±2 %

PhaseErr Phase Error in demodulated signal PAL/NTSC mode, 90% matrix

5 Deg

TransPal Chroma Transient Time

PAL mode, 75% color bar green-

magenta transient

700

ns

transSEC Chroma Transient Time

) Naxis R-Y Demodulation Axis

SECAM mode, 75% color bar green-

magenta transient

900

ns

NTSC mode, 104° matrix

104

Deg

t(s 4.8.9 Chroma Delay Line

c Symbol

u Cdelay

rod Ctrans

te P Dgain

Parameter

Delay of delayed signals

Difference of transient times be-

tween delayed and non delayed

signals

Differential Gain of delayed signals

versus direct signals

Test Conditions

Relative to non delayed signal

SECAM mode. tRN -tRN+1

tRN: rise time line N (direct)

tRN+1: rise time line N +1 (delayed)

SECAM mode. Gn+1/Gn

Gn: direct channel gain

Gn+1: delayed channel gain

Min. Typ. Max. Unit

63.9 64 64.1 µs

150 ns

-0.5 0 0.5 dB

le 4.8.10 Chroma Reference Output

so Symbol

b CHR-amp

O ISCHR

Parameter

Chroma VCO Reference Signal

Amplitude

Sink Current

Test Conditions

Min.

Typ. Max.

0.4

0.5

Unit

VPP

mA

t(s) - 4.9 SCANNING PART

4.9.1 Synchronization Separator

c Symbol

Parameter

du VSYNC Synchronization Pulse Amplitude

Test Conditions

ro 4.9.2 Horizontal Oscillator

P Symbol

fH50

tefH60

lefRANGE

bso fFREE

Parameter

Horizontal Frequency

Horizontal Frequency

Frequency Control Range

Free Frequency when PLL1 opened

Test Conditions

50 Hz mode

60 Hz mode

Low Frequency

High Frequency

Min. Typ. Max. Unit

50 300 450 mV

Min. Typ. Max. Unit

15.6

kHz

15.7

kHz

14.7 15.0 15.3

15.9 16.3 —

kHz

15.3 15.6 15.9 kHz

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