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
VCR Electronic Switch
Ordering number:ENN2834B
LA7221
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Overview
The LA7221 is an electronic switch that was designed for
use in audio video applications. It provides a wide dynamic
range. The LA7221 has on-chip video clamp circuits (clamp
elimination function).
Package Dimensions
unit:mm
3017C-SIP9
[LA7221]
Features
1.5
22.3
• Low-voltage (5V) operation.
• Three inputs selectable and muting function.
• Video clamp circuits on chip.
4.8
1.0
• Wide dynamic range (2.0Vp-p or greater).
0.99
1
2.54
0.5
9
1.3
Specifications
Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusmumixaMV
noitapissidrewopelbawollAxamdP 001Wm
erutarepmetgnitarepOrpoT 07+ot01–
erutarepmetegarotSgtsT 521+ot04–
Operating Characteristics at Ta = 25˚C, VCC=5.0V
retemaraPlobmySsnoitidnoC
egatlovgnitarepOV
niardtnerruCI
leveltupnimumixaMV
citsiretcarahcycneuqerFG
noitrotsidcinomrahlatoTDHT 30.01.0%
klatssorCTC 07–06–Bd
tiucricgnitumnigniraeppaklatssorCTC
tesffoCDtuptuO
levelrevoegnahcLTCV
niaglaitnereffiDGD 5.00.1%
esahplaitnereffiDPD 5.00.1ged
xam 0.7V
CC
nimpytxam
po5.40.52.6V
CC
CC
xam0.22.2p-pV
NI
F
m
∆ TUOV
LTC
5.36.46.6Am
0.14.18.1V
0.51min
5.7max
3.2
0.25
1.35
SANYO : SIP9
sgnitaR
05.0±Bd
06–05–Bd
551Vm
3.0
˚C
˚C
tinU
42000TN (KT)/O3095MH/9058YT No.2834–1/3
LA7221
Block Diagram and Application Circuit Truth Table
1LTCHL–L
2LTCLH–L
LTCETUM LLHL
TUO1NI2NICD3NI
* : The output is indeterminate at other states
than shown above.
LA7221 Input / Output Configuration
niPemaNniPnoitarugifnoCO/IroecnadepmIO/IegatloVCDskrameR
11NI
21LORTNOCV0
32NI
42LORTNOCV0
5DNGV0
63NI
7
ETUM
∞
∞
∞
LORTNOC
V4.2
V0.2taNO
retaergro
V4.2
V0.2taNO
retaergro
V4.2
V0
V0.2taNO
retaergro
8TUO02 Ω rewollofrettimEV0.1
9V
CC
tnerrucrotcelloC
Am6.1
V0.5
No.2834–2/3