LA7953 查看數據表（PDF） - SANYO -> Panasonic
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LA7953 Datasheet PDF : 7 Pages
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Ordering number:ENN2713A
Monolithic Linear IC
LA7953
Audio Controller for TV Use
Overview
The LA7953 Audio Controller is a single-chip, liner IC
featuring a built-in expansion circuit. The device also fea-
tures a 4-input 1-output audio switch, an acoustic mute, a
LINE-OUT output, and audio control functions for volume,
balance, bass and treble on-chip.
Excellent audio reproduction can be obtained using the right
channel expansion circuit.
The LA7953 operates on a single 12V power supply and is
available in 30-pin plastic DIPs.
Features
• On-chip audio controller and audio switch facilitate de-
sign.
• Audio controller for volume, balance, bass and treble.
• 4-input/1-output audio switch.
• On-chip expansion circuit ensures excellent sound repro-
duction.
• LINE-OUT output.
• Acoustic mute.
Package Dimensions
unit:mm
3061-DIP30S
[LA7953]
30
16
1
15
27.2
1.15
1.78
0.48
0.95
SANYO : DIP30S
Specifications
Maximum Ratings at Ta = 25˚C
Parameter
Maximum supply voltage
Input applied voltage 1
Input applied voltage 2
Input applied voltage 3
Mute input applied voltage
Expansion input applied voltage
LINE-OUT output current
Maximum output current
Expansion output current
Tone control input applied voltage
Bass filter applied voltage
Treble filter applied voltage
Symbol
VCC max
V1, 3, 5, 7, 9, 11,
13, 15 max
V2, 14, 16, 30 max
V4 max, V6 max
V8 max
V12 max
I17, 29 max
I23, 25 max
I19 max
V20 max, V28 max
V22 max, V26 max
V21 max, V27 max
VCC=14V
VCC=14V
VCC=14V
VCC=14V
VCC=14V
VCC=14V
VCC=14V
VCC=14V
Conditions
Ratings
Unit
14 V
12 V
14 V
14 V
14 V
14 V
5 mA
5 mA
5 mA
14 V
14 V
14 V
Continued on next page.
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
12501TN (KT)/O2095TH (KOTO)/7128TA, TS (KOTO) No.2713–1/7
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