KA2143B datasheet(10/12 Pages) SAMSUNG

Nome de Peças	KA2143B

Descrição Electrónicos	R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS

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Fabricante Electrônico	SAMSUNG [Samsung semiconductor]

Página de início	http://www.samsung.com/Products/Semiconductor

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R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS

KA2143B

9

OSD Electrical Characteristics

TA = 25 °C; VCC1 = VCC2 = 12V; V10 = 4V; V11 = 4V; V13 = 4V;

Vdrive = 4V; V4 = 4V; V12 = 0V unless otherwise stated

Blank Output Fall Time (8)

tf (Blank)

Blank Output = 1VPP

-

10

30

ns

End of Blanking Propagation Delay

tr - prop

(Blank)

Blank Output = 1VPP

-

23

50

ns

Start of Blanking Propagation Delay

tf - prop

(Blank)

Blank Output = 1VPP

-

20

45

ns

Table 7. OSD Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

OSD Input Low Input Voltage

VOSDL

0.4

1.3

-

V

OSD Input High Input Voltage

VOSDh

-

1.3

2.0

V

OSD Select Low Input Voltage

V4L

Video Inputs are Selected

0.8

1.6

-

V

OSD Select High Input Voltage

V4h

OSD Inputs are Selected

-

1.6

2.0

V

OSD Select Low Input Current

I4L

V4 = 0V

-15

-5

-

µA

OSD Select High Input Current

I4h

V4 = 12V

-

0.01

0.2

µA

OSD

∆Output Black Level

∆V

BLV - OSD

-0.3

-

0.3

v

OSD Output Voltage

VOSD

V11 = 4V, Vdrive = 2V

2.75

3.95

5.15

VPP

OSD Output VPP Attenuation

∆V

OSD_ATT

V11 = 2V, Vdrive = 2V

30

50

70

%

Output Match between Channels

∆V

OSD

V11 = 4V, Vdrive = 2V

0

5

10

%

Video to OSD Switch Time (8)

tr (OSD S)

V1 = V2 = V3 = V4

(13)

-

4

10

ns

OSD to Video Switch Time (8)

tf (OSD S)

V1 = V2 = V3 = V4

(13)

-

11

20

ns

Video to OSD Propagation Delay

tr - prop

(OSD S)

V1 = V2 = V3 = V10 =

V11 = 4V

-

11

15

ns

OSD to Video Propagation Delay

tf - prop

(OSD S)

V1 = V2 = V3 = V10 =

V11 = 4V

-

12

25

ns

Table 6. AC Electrical Characteristics(Continued)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

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