STV8224A Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

STV8224A

MULTISTANDARD VIDEO AND SOUND IF SYSTEM WITH AUDIO AND VIDEO SWITCHES

STMicroelectronics 

STV8224A

ELECTRICAL CHARACTERISTICS (continued)

(Tamb = 25°C, VCC = 9V, IF input = 10mVRMS sync level at B/G, Peak-white level at L,

Video modulation DSB, D = 90% at B/G, D = 95% at L, fPC = 38.9MHz, fSC = 33.4MHz,

Video BW = 5MHz, Sound carrier input : 5.5MHz, 10mVRMS, fM = 1kHz, Audio BW = 20kHz, ∆f = ±50kHz,

Volume attenuation= 0dB, unless otherwise specified)

Symbol

VIDEO SWITCH

Parameter

Test Conditions

Min. Typ. Max. Unit

VDC 12

VS12

DC Input Level

Top Sync. Clamp Level

V11

DC Output Level

VS11

Top Sync. Clamp Level

Crosstalk

GEX

Gain from Ext. Input to Output

Output Swing

I12

Input Current

VBW Bandwidth

GIN

Gain from Int. Input to Output

MUTE (Pin 9 or Pin 13)

No signal

No signal

V12 = VDC12 = 1.5V

VIN = 1VPP

1.6 1.9 2.2

V

1.8

V

1.7 2 2.3

V

1.5

V

55

dB

5.5 6 6.5 dB

4

5

V

1

5

µA

15

MHz

-0.5 0 +0.5 dB

VTH9

V9

VTH13

Threshold Voltage Pin 9

DC Level when Mute Disabled

Threshold Voltage Pin 13

CONTROL INPUT

Negative Modulation

Positive Modulation

Threshold 3

Threshold 2

Threshold 1

1.7 2 2.3

V

High impedance controling circuit

2.8

V

0.2 0.3 0.4

V

Video : External - Audio : External 7.2

Video : Internal - Audio : Internal

V

1.8

V

Video : External - Audio : External 4.9

Video : Internal - Audio : External 2.6

6.4

V

4.1

V

Level linked to VCC

6.4 6.8 7.2

V

Level linked to VCC

Level linked to VCC

4.1 4.5 4.9

V

1.8 2.2 2.6

V

5/12

Share Link: