Sanyo LA7449 Specifications

Ordering number:ENN5119

Monolithic Linear IC

LA7449, 7449M

Video Signal Processing IC

for VHS VCR Systems

The chip

ming

CCD

lay duce

(NTSC

Europe,

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The

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Full

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line

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0.25

SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

O2500TN (KT)/62095HA (OT) No.5119–1/10

LA7449, 7449M

Functions

All VHS format VCR signal processing functions.

Luminance

Chrominance

R/P

REC

PB

Pin

							nit
Max							V
Allo							W
Ope							C
Sto							C
Note
							nit
Rec							V
Ope							V
							nit
[Re
Rec							A
EE							-p
AG							-p
AG							-p
AG							p-p
AG							p-p
Syn							V
Syn							s
Syn							s
Syn							B
Pseudo-H insertion level	∆ HDR	With 2.7V applied to T14A	–400		–300	–200	mV
White insertion level	∆ WHR	With 1.3V applied to T14A	100		250	400	mV
VCA detection voltage	VVCA		3.00		3.20	3.40	V
Record YNR operation EP/LP	VR-YNR1	Input : 50Hz system standard color bar signal	10		12	14	mVp-p

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LA7449, 7449M

Continued from preceding page.

Parameter	Symbol	Conditions		Ratings		Unit
			min	typ	max
[Record mode Y system]
Y-LPF frequency characteristics 1	YLPF1	The 1MHz attenuation with respect to 500kHz	–0.5	0.0	+0.5	dB
Y-L						B
Y-L						B
Y-L						B
FM						-p
Car						Hz
FM						B
Dev						Hz
FM						%
1/2						Hz
Em						B
Det						B
Det						B
Det						B
NL						B
NL						B
NL						B
Mai						B
Mai						B
Whi						%
Dar						%
[Pla
Pla						A
Dro						s
DO						B
Pla						-p
FM						%
De						Hz
Car						B
Pla						B
NL						B
NL						B
Dou						B
Dou						B
Dou						B
PIC						B
PIC						B
PIC						B
PIC						B
Pse						V
Pse						V
[Re
Whi						V
Syn						V
Syn						s
Syn						s
4.2						V
[Re
Chr						p-p
leve
VX						p-p
Rec						B
Record ACC characteristics 2	ACC-R2	With only the chrominance signal level decreased	–0.5	–0.1		dB
		6dB
ACC killer on input level	VACCK-ON			–26		dB
ACC killer on output level	VO-ACCK			–60	–50	dB
ACC killer recovery input level	VACCK-OFF			–20		dB
VXO control sensitivity	SVXO		1.3	3.2	5.1	Hz/m

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