參數(shù)資料
型號: LA6543
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP34
封裝: HEAT SINK, QFP-34
文件頁數(shù): 1/7頁
文件大?。?/td> 77K
代理商: LA6543
LA6543
No. 5973-1/7
LA6543
4-Channel Bridge (BTL) Driver for CD-ROM
Monolithic Linear IC
The LA6543 is a 4-channel bridge (BTL) driver
developed for CD-ROM applications.
Package Dimensions
unit: mm
3219-QFP34HC
Maximum Ratings at Ta = 25
°C
Operating Conditions at Ta = 25
°C
Specifications
Overview
SANYO : QFP34HC
[LA6543]
Features and Functions
Integrated 4-channel power amplifier with bridge
circuit (BTL) (two output stage power supply lines)
IOmax: 1A
Integrated level shift circuit
Integrated muting circuit
MUTE: Output OFF at Low, output ON at High.
MUTE1 is for channels 1 and 2, and MUTE2 for
channels 3 and 4.
Integrated thermal shutdown circuit
Divided output stage power supply (VS1: CH1, CH2,
CH3; VS2: CH4)
* VCC ≥ VS1, 2
N1798RM(KI)
Ordering number : EN5973
Parameter
Symbol
Conditions
Ratings
Unit
Recommended operation voltage 1
4 to 13
V
Recommended operation voltage 2-1
4 to 13
V
Recommended operation voltage 2-2
4 to 13
V
VCCmax
VSmax
VINmax
VS1, 2
Input pins VIN1 to 4
VMUTEmax
VS2: CH4 output reference power supply
VCC
VS1
VS2
VS1: CH1 to CH3
SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage 1
14
V
Maximum supply voltage 2
14
V
Maximum input voltage
13
V
Mute pin voltage
13
V
Allowable power dissipation
Pd max
IC only
0.77
W
Operating temperature
Topr
°C
Storage temperature
Tstg
°C
–20 to +75
–55 to +150
13.2
10.0
13.2
1.0
34
0.8
16
17
18
23
24
10.0
0.8
4.8
1.0
1.6
4.0
2.2
0.2
0.8
2.45max
11.6
0.35
1.6
8.4
0.1
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.
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