Sanyo LA7172M 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
UHF Band RF Modulator
Ordering number:ENN*5571
LA7172M
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Preliminary
Overview
The LA7172M is a monolithic IC for an RF modulator
which generates RF TV channel signal in UHF band, from
a baseband video and audio signal.
Audio FM carrier is controlled by PLL system and gener-
ated without L/C tank.
Package Dimensions
unit:mm
3035A-MFP16
[LA7172M]
16
9
Features
• 5V operation.
• Less supply current.
• Balanced RF VCO.
• Wide bandwidth.
• PLL controlled and tankless audio FM (4 sound
intercarrier frequency capability).
• Small package.
• Package : MFP16.
Functions
• RF VCO.
• V ideo modulator.
• Sound carrier converter.
• RF buffer.
• V ideo clamp.
• White clip.
• Audio FM.
• 4V regulator.
• Reference oscillatior.
• TSG (test signal generator).
Specifications
Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusmumixaMV
noitapissidrewopelbawollAxamdP 052Wm
erutarepmetgnitarepOrpoT 57+ot02–
erutarepmetegarotSgtsT 051+ot55–
xam 7V
CC
Ta≤75˚C
4.4
1
10.1
0.35
1.27
8
0.15
1.5
1.8max
0.1
0.605
SANYO : MFP16
5.15
0.625
6.4
˚C
˚C
42000TN (KT)/73196RM No.5571–1/3
LA7172
Operating Conditions at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusdednemmoceRV
egatlovgnitarepOV
Operating Characteristics at Ta = 25˚C, VCC=5V
retemaraPlobmySsnoitidnoC
tnerrucylppuSI
egatlovrotalugeRgerVlangisoN7.39.31.4V
tuptuoFRPlangisoN775.9728µBd
oitarS/PS/P2+pf:S × zHM5.45.21515.71Bd
scinomrahdn2dnuoS2S/P2+pf:2S × zHMsf**Bd
scinomrahdr3dnuoS3S/P3+pf:3S × zHMsf**Bd
taebecnanimorhCBC/PV
scinomrahoediV2V/PV
noitaludomoediVpMV
levelpilcetihWLCWV
niaglaitnereffiDGDV
esahplaitnereffiDPDV
noitaludomGSTGSTpMhgih:7V070809%
oitarSVGSTS/V.cnys/oediv,hgih:7V7.3/3.62.3/8.67.2/3.7
doirepGSTSThgih:7V7.360.463.46sµ
htdiw.cnysGSTSHhgih:7V6.30.44.4sµ
htdiwetihwGSTH
esiretihwts1GST1VTesiretihwts1dna.cnysneewtebhtdiw,hgih:7V224262sµ
esiretihwdn2GST2VTesiretihwdn2dna.cnysneewtebhtdiw,hgih:7V830424sµ
noitaludomMFoiduAMFsMV
noitaludomoiduaxaMxmsM%3<DHT004%
DHTMFoiduAMFDHTVNIp-pV1,zHk1=35.02%
N/SMFoiduAMFN/SV
* : TBD
CC
po 5.5ot5.4V
CC
nimpytxam
CC
V
langisoN420363Am
NI
NI
NI
NI
NI
NI
hgih:7V6.30.44.4sµ
NI
NI
p-pV1,petsriatS=5370878%
p-pV1,petsriatS=55–5%
p-pV1,petsriatS=56–6geD
V,p-pV1,zHk1=3
NI
csf–sf+pf:BCp-pV4.0,csf=55657Bd
zHM2+pf:2Vp-pV1,zHM1=50526Bd
p-pV5.1,petsriatS=5883989%
%001:VEDzHk05±p-pV66.1,zHk1=309001011%
p-pV1,rabroloc=53455Bd
sgnitaR
5V
tinU
Note
fp : picture RF carrier, fs : sound intercarrier (B/G 5.5MHz), fsc : sub carrier (4.43MHz)
Equivalent Circuit Block Diagram
No.5571–2/3
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