BA7230LS datasheet(3/8 Pages) ROHM

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Multimedia ICs

BA7230LS

•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 5.0V)

Parameter

Symbol

Min.

Typ.

Max.

Conditions

Quiescent current

—38

—

Video output level

VOV

1.7

2.2

2.6

VP-P

VIDEO IN = 1VP-P

Half down level change

GVH

– 3

– 5

– 7

—

DC offset

VOF

—

160

mVP-P

VIDEO IN = 1VP-P

Crosstalk

—

– 46

– 40

VIDEO IN = 1VP-P

VR-Y

0.3

0.42

0.55

VP-P

VB-Y

0.2

0.31

0.42

VP-P

YOUT output level

1.0

1.4

1.8

VP-P

VR = VG = VB = 0.7VP-P

Ys switching delay time

—

SYNC output level

VOS

0.4

0.65

0.9

VP-P

Burst output level

VOB

0.25

0.46

0.8

VP-P

RE = 1.8k

Ω

Composite output level

VOY

1.7

2.2

2.6

VP-P

YIN = 0.7VP-P

GR-Y

911

GB-Y

911

GR-B

—

Difference between above gains

– 6

—

deg

—

– 6

—

deg

—

Carrier leak

LSC

—30

mVP-P

VOUT = 2VP-P

APC capture range

fCAP

± 100

—

Carrier phase range

φSC

± 30

± 45

—

deg

Superimposition

Video frequency characteristic

4.5

—

MHz

– 3dB when f = 100kHz

Video output DG

—

± 3.5

—

VIDEO IN = 1VP-P

Video output DP

—

± 2.5

—

deg

VIDEO IN = 1VP-P

815

—

Ω

—

Input impedance (Ys)

ZTY

7.5

—

Ω

—

0.9

2.0

2.8

—

Threshold level (Ys)

VTY

0.5

1.1

1.8

—

Unit

ER-EY output level

EB-EY output level

R-Y modulation gain

B-Y modulation gain

(R-Y) / (B-Y) modulation gain differential

(R-Y) / (B-Y) orthogonal phase shift

(R - Y) ·Burst orthogonal phase shift

Input impedance (SY, BF, PC, HD)

Threshold level (SY, BF, PC, HD)

VR = 0.7VP-P

VB = 0.7VP-P

R - YIN = 0.3VP-P

B - YIN = 0.2VP-P

Burst = 0.1VP-P, 2.8

µS

∆R

∆B

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