Sanyo LA7956 Specifications

Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.

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.

Monolithic Linear IC

Video Switch for TV/VCR Use

Ordering number:ENN3353A

LA7956

SANYO Electric Co.,Ltd. Semiconductor Company

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

Features

• 4 inputs, 1 output, 75Ω termination, driver on-chip.

• 6dB amplifier on-chip.

• Excellent crosstalk characteristic.

• Wide band.

Specifications

Maximum Ratings at Ta = 25˚C

retemaraPlobmySsnoitidnoCsgnitaRtinU

egatlovylppusmumixaMV

V

1egatlovylppustupnimumixaM
2egatlovylppustupnimumixaMV

tnerructuptuomumixaMI

noitapissidrewopelbawollAxamdP 045Wm

erutarepmetgnitarepOrpoT 56+ot02–

erutarepmetegarotSgtsT 051+ot55–

4

V

xam 41V

7

V,xam

6

V,xam

8

9

V,xam

2

3
xam 01Am

1

Package Dimensions

unit:mm

3017D-SIP9

[LA7956]

22.0

(4.5)

1

(0.84)

,xam

xam
xamVCCV41=41V

Ta≤65˚C

2.54

0.5

9

0.51min

1.3

SANYO : SIP9

3.0

5.7max

3.2

0.25

1.35

8V

˚C
˚C

Operating Conditions at Ta = 25˚C

retemaraPlobmySsnoitidnoCsgnitaRtinU

egnaregatlovgnitarepOV

egatlovylppusdednemmoceRV

po 5.31ot5.01V

CC

CC

O2500TN (KT)/O3095MH/3260TA, TS No.3353–1/4

21V

LA7953

Operating Characteristics at Ta = 25˚C, VCC=12V

retemaraPlobmySsnoitidnoC

niardtnerructnecseiuQI

egatlovsaibtupnIV

egatlovsaibtuptuOV

egatlovtesffoCDtuptuOV

egatlovdlohserhtlortnoC

tnerructupnilortnoCI

niagegatloVVGV,zHM1=f

scitsiretcarahcycneuqerF-VG

egnarcimanydtuptuOV

)2etoN(klatssorCC

The current flowing into the IC is defined as positive and current from the IC is defined as negative.

Video Switch Truth Table

2S

)2niP(

HH NOFFOFFOFFO
LH FFONOFFOFFO
HL FFOFFONOFFO
LL FFOFFOFFONO

3S

V

)3niP(

1NI

V

)4niP(

2NI

)6niP(

CC

4V,6V,8V,9

1

SO

VH2V,H3,3.2V

VL2V,

L3

2I,3

f

RD

T

V

3NI

)8niP(

)1etoN(05–005+Vm

NI

V,zHM01=f

NI

V,zHk51=f
V
V

V

NI
NI
NI

4NI

)9niP(

)1etoN(p-pV2=6.51.64.6Bd

)1etoN(zHk001=ftaBd0

p-pV1=

)1etoN(zHM3=f,p-pV1=)84(05)55(85Bd
)1etoN(zHM5=f,p-pV1=)54(54)25(55Bd

sgnitaR

nimpytxam

511203Am

5.38.31.4V

6.41.66.7V

7.0V

02–6–Aµ

3–0 Bd

)1etoN(p-pV5.1=4.15.1p-pV

tinU

Note 1 : Refer to this Truth Table and make measurements by switching S2, S3.
Note 2 : ( ) : Crosstalk between pins 8 and 9.

Input/Output Equivalent Circuit

Equivalent Circuit Block Diagram

No.3353–2/4