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BA7664AFV

Y/C MIX Circuit built-in Video Driver

ROHM Semiconductor 

BA7664AFV

Technical Note

●Electrical characteristics

Electrical characteristics (unless otherwise specified, Vcc=5V, Ta=25°C)

Parameter

Symbol Min Typ Max

Unit

Circuit Current

Maximum Output Level

Voltage Gain

Frequency Characteristics

MUTE Attenuation

Mute Threshold “H”

Mute Threshold “L”

Input Impedance

Supply Current in Mute

ICC

6.1 12.2 18.3

mA

Vom

2.6

3.0

-

VP-P

GV

-1.0 -0.2 0.6

dB

GF

-1.5 -0.5 0.5

dB

MT

-

-60

-

dB

VTHH

2.2

-

VCC

V

VTHL

0

-

0.7

V

ZIN

16

20

24

kΩ

IMUTE

-

1.3

2.6

mA

Conditions

No-signal

f=1kHz,THD=1% V02

f=4.43MHz,1Vpp/V01

f=7MHz/1MHz,1VP-P/V01

f=4.43MHz,1VP-P/V01

-

-

Chroma input terminal

MUTEA“H”

Guaranteed design parameters

Parameter

Differential Gain

Differential Phase

(unless otherwise specified, Vcc=5V, Ta=25°C)

Symbol Min Typ Max

Unit

DG

-

1.0

2.0

%

DP

-

0.5

2.0

DEG

Conditions

VIN=1VP-P Standard staircase signal

VIN=1VP-P Standard staircase signal

●Block diagram / Application circuit

1

Open or GND

1uF

2

Place PdeuctoduepclionugpalinndgbcyappaascsitcoarpsanceitaorrsthneeaICr t.he IC

MUTE

8

47uF

0.1uF

6dB

75Ω

7

75Ω

1000uF

75Ω

3

6

0.1uF

4

20k

CHROMA MUTE

5

When sag compensation function is used.

6dB

75Ω

7

8

100uF

22uF

Open or GND

75Ω

75Ω

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Make sure to leave an adequate margin for external components includingstatic

and transitional characteristics as well as dispersion of the IC.

Fig.1

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© 2009 ROHM Co., Ltd. All rights reserved.

2/4

2009.04 - Rev.A

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