Sanyo LA7155M 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
Audio Switch for PAL 21 Pin Connectors
Ordering number:ENN4064A
LA7155M
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Overview
The LA7155M is an audio switch of a stereophonic system
for PAL 21 pin connectors.
Features
• ±5V power supply.
• Smaller size allowing for saving space.
• Low distortion factor.
Functions
• 4 audio switch circuits of 2 inputs and 1 output.
• 2 audio switch circuits of 3 inputs and 1 output.
• 2 audio amplifying circuits of 2dB.
• 2 audio amplifying circuits of 12dB.
Specifications
Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusmumixaMV
noitapissidrewopelbawollAxamdP 003Wm
erutarepmetgnitarepOrpoT 57+ot02–
erutarepmetegarotSgtsT 051+ot55–
xam 7±V
CC
Ta≤75˚C
Package Dimensions
unit:mm
3112-MFP24S
24
112
[LA7155M]
12.5
0.35
13
5.4
0.15
1.7max
1.5
0.1
(0.75)
1.0
SANYO : MFP24S
7.6
0.63
˚C
˚C
Operating Conditions at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatlovylppusdednemmoceRV
egnaregatlovgnitarepOV
* Both + and – voltages of supply are required.
CC
po 6±ot4±V
CC
Operating Characteristics at Ta = 25˚C, VCC=±5V and f=1kHz
retemaraPlobmySsnoitidnoC
niardtiucriCI
1egatlovtuptuOV
2egatlovtuptuOV
3egatlovtuptuOV
4egatlovtuptuOV
5egatlovtuptuOV
CC
1O
2VNIVBd6–=91–81–71–VBd
O
3VNIVBd6–=7–6–5–VBd
O
4VNIVBd8–=7–6–5–VBd
O
5VNIVBd81–=7–6–5–VBd
O
langisoN81141Am
V
VBd81–=91–81–71–VBd
NI
42000TN (KT)/41495HA/2142TS No.4064–1/5
sgnitaR
nimpytxam
Continued on next page.
5±V
tinU
Continued from preceding page.
retemaraPlobmySsnoitidnoC
1noitrotsidcinomrahlatoTDHT
2noitrotsidcinomrahlatoTDHT
3noitrotsidcinomrahlatoTDHT
4noitrotsidcinomrahlatoTDHT
5noitrotsidcinomrahlatoTDHT
1egatlovtuptuomumixaMV
2egatlovtuptuomumixaMV
3egatlovtuptuomumixaMV
4egatlovtuptuomumixaMV
5egatlovtuptuomumixaMV
1egatlovesiontuptuOV
2egatlovesiontuptuOV
3egatlovesiontuptuOV
4egatlovesiontuptuOV
5egatlovesiontuptuOV
noitarapestupnIV
tesffoCDdehctiwSV
egatlovdlohedomHV
egatlovdlohedomLV
1
2
3
4
5
1MO
2MO
3MO
4MO
5MO
1NO
2NO
3NO
4NO
5NO
RC
CD
IHC
WOLC
LA7155M
nimpytxam
V
V
V
V
V
V
V3V,7V,01V,
V3V,7V,01V,
VBd81–=500.01.0%
NI
VBd6–=500.01.0%
NI
VBd6–=800.01.0%
NI
VBd8–=10.01.0%
NI
VBd81–=10.01.0%
NI
%1=DHT0.50.9VBd
%1=DHT7–3–VBd
%1=DHT0.60.9VBd
%1=DHT0.60.9VBd
%1=DHT0.60.9VBd
006=gR,langisoN Ω RETLIFOIDUANID,
NI
81
81
006=gR,tupnirehtO,VBd8–= Ω 08–Bd
langison42dna31sniptastuptuO02–002+Vm
5.3V+
00.1V
sgnitaR
011–401–VBd
011–401–VBd
701–101–VBd
501–99–VBd
101–49–VBd
CC
tinU
V
Block Diagram
AV OUT 1
lortnoC
3nip
L
H
C+1 OUT
lortnoC
01nip
L
H
tuptuO
HC-L
NI2+C
)L(
NIVA
)L(
tuptuO
HC-L
NIVA
)L(2
NIUT
)L(
tuptuO
HC-R
NI2+C
)R(
NIVA
)R(
tuptuO
HC-R
NIVA
)R(2
NIUT
)R(
AV OUT 2
lortnoC
7nip
LL
LH
HL
HH
lortnoC
81nip
tuptuO
HC-L
NIVA
)L(2
NIENIL
)L(
NI2+C
)L(
NIENIL
)L(
tuptuO
HC-R
NIVA
)R(2
NIENIL
)R(
NI2+C
)R(
NIENIL
)R(
No.4064–2/5
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