KA2139 데이터 시트보기 (PDF) - Samsung

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KA2139

VIDEO AMPLIFIER FOR MONITOR

Samsung 

KA2139

VIDEO AMPLIFIER FOR MONITOR

ELECTRICAL CHARACTERISTICS

(VCC = 12V, TA = 25°C, unless otherwise specified)

Characteristics

Symbol

Test Condition Min Typ Max Unit

Supply Current

ICC

75 90.0 105 mA

R,G,B CH Output Voltage 1

VH 16,20,25

VCC = 12V

1.9 2.0 2.1 V

R,G,B CH Output Voltage 2

VH 16,20,25

V24 = 2V

3.9 4.0 4.1 V

Input Reference Voltage

VREF

V12 = 6V

2.0 2.4 2.8 V

R,G,B Input Bias Current

Iin

V14 = 0V

-

5.0 20.0 µA

Clamp Gate Low Input Voltage

V14L

V14 Variable 0.8 1.2

-

V

Clamp Gate High Input Voltage

V14H

V14 Variable

-

1.6 2.0 V

Clamp Gate Low Input Current

IgateL

V14 = 0V

-5.0 -5.0

-

µA

Clamp Gate High Input Current

IgateH

V14 = 12V

- 0.05 1.0 µA

R,G,B Clamp CAP.

Charge Current

Iclamp(+) Vclamp cap. = 0V 0.5 0.85 1.2 mA

R,G,B Clamp CAP.

Discharge Current

Iclamp(-) Vclamp cap. = 5V -0.5 -0.85 -1.2 mA

R,G,B Output Low Voltage

VOL 16,20,25 Vclamp = 0V

-

1.0 1.4 V

R,G,B Output High Voltage

VOH 16,20,25 Vclamp = 5V 8.0 8.5

-

V

Contrast Capacitor Voltage 1

Vcon1

Measure the 4.8 5.2 5.6 V

contrast

Contrast Capacitor Voltage 2

Vcon2

capacitor voltage 4.8 5.2 5.6 V

R,G,B Output DC Offset

Low Voltage

∆VR-GL

V24 = 2V

-50 0

50 mV

R,G,B Output DC Offset

High Voltage

∆VR-GH

V24 = 4V

-50 0

50 mV

R,G,B Video Amp. Gain 1

AVmax

V12 = 12V, Vin 13.1 15.6 18.1 dB

= 0.56

VP.P

R,G,B Video Amp. Gain 2

∆AV5

V12 = 5V

-5 -10.0 -1.5 dB

R,G,B Video Amp. Gain 3

∆AV2

V12 = 2V

-30 -40.0 -50 dB

R,G,B Output Gain Difference 1 ∆AVR-G

V12 = 12V

-1.0 0

1.0 dB

VIN = 1.0VP.P

R,G,B Output Gain VAR. 1

∆AVR-G1

V12 = 5V

-1.0 0

1.0 dB

R,G,B Output Gain VAR. 2

∆AVR-G2

V12 = 2V

-3.0 0

3.0 dB

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