STV2246 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STV2246

I²C bus-controlled multistandard single chip TV processor

STMicroelectronics 

STV224X, STV228X, STV223X - ELECTRICAL CHARACTERISTICS

Symbol

VHIGH

ISINK

ISOURCE

Parameter

High Level Range Vertical Position

Control

Output Sinking Current

Output Source Current

Test Conditions

Min. position control

Max. position control

4.9.8 Vertical Amplitude Control

Symbol

Parameter

VAMP Output Voltage Range

Test Conditions

Min. amplitude voltage

Max. amplitude voltage

Min. Typ. Max. Unit

3.5 4 4.5

6.0 6.5 7.0

V

0.7 1.0

mA

0.7 1.0

mA

Min. Typ. Max. Unit

1.2 1.5 1.7

5.5 6.0 6.5

V

4.9.9 Crystal Detection

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

R4.43

) R3.58

Load resistance at pin VAMP

Load resistance at pin VAMP

4.43 MHz crystal on pin XTAL1

3.58 MHz crystal on pin XTAL1

t(s 4.10 RGB CONTROL PART

c 4.10.1 Y Input

du Symbol

ro YINdc

Yin-B/W

P Yin-cur

Parameter

Black Level

Black to White Amplitude

Input Current

Test Conditions

te 4.10.2 U & V Inputs

le Symbol

o UVin-dc

s Uin-amp

b Vin-amp

O UVin-cur

Parameter

Black Level

B-Y Amplitude

R-Y Amplitude

Input Current

Test Conditions

75% color bar PAL/SECAM

75% color bar PAL/SECAM

- 4.10.3 Contrast Control

t(s) Symbol

Yctr

uc OSDctr

Parameter

Contrast Range on Y signal

Contrast Range on OSD RGB sig-

nal

Test Conditions

d 4.10.4 Saturation Control

ro Symbol

Parameter

P SATMax. Maximum Saturation Control

bsolete SATMin. Minimum Saturation Control

Test Conditions

75% color bar PAL/SECAM,

0 dB for data 20 in reg 08

75% color bar PAL/SECAM,

0 dB for data 20 in reg 08

80

kΩ

10 kΩ

Min. Typ. Max. Unit

3.7

V

0.7

1

V

1

µA

Min.

Typ.

3.7

1.33

1.05

Max.

2.0

2.0

1

Unit

V

VPP

VPP

µA

Min. Typ. Max. Unit

21 24 27 dB

10 12 14 dB

Min. Typ. Max. Unit

6

9

12

dB

-40

dB

38/86

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