la6545m Sanyo Semiconductor Corporation, la6545m Datasheet

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la6545m

Manufacturer Part Number
la6545m
Description
Four-channel Bridge Btl Driver For Cd-rom
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
Ordering number : ENN6296
Overview
The LA6545M is a 4-channel bridge (BTL) driver
developed for use in CD-ROM systems.
Functions
• Bridge connected (BTL) four-channel power amplifier
• V
• I
• Muting circuit provided (output on/off control)
Specifications
Maximum Ratings at Ta = 25°C
Maximum supply voltage 1
Maximum supply voltage 2
Input voltage
MUTE pin voltage
Allowable power dissipation
Operating temperature
Storage temperature
using two power supplies.
O
CE
max: 1.0 A
2.4
2.0
1.6
1.2
0.8
0.4
(residual voltage) minimized (channels 1 and 2) by
0
–20
Mounted on a PCB
Independent IC
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
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.
Parameter
0
Ambient temperature, Ta — C
SANYO Electric Co.,Ltd. Semiconductor Company
Pd max — Ta
20
2.1
0.9
PCB: 76.1 114.3 1.6 mm
glass epoxy
40
V
60
V
MUTE
V
Symbol
V
Pd max
CC
IN
S
Topr
Tstg
Four-Channel Bridge (BTL) Driver for CD-ROM
max
max
max
max
75 80
1.26
0.54
V
V
Each of the input pins V
Independent IC
Mounted on the specified PCB (76.1 114.3 1.6 mm
CC
S
3
1, 2, V
,
100
V
S
CC
1, 2
V
S
1, 2
• Thermal protection (shutdown) circuit
• Separated output stage power supply (VS1: channels 1
Package Dimensions
unit: mm
3129-MFP36SLF
(MUTE pin: low for output off, high for output on.
MUTE1: controls channels 1, 2, and 3, MUTE2:
controls channel 4.)
and 2, VS2: channels 3 and 4)
36
1
Conditions
IN
1 to V
IN
4
0.4
15.3
3
, glass epoxy)
[LA6545M]
0.8
19
18
42800RM (OT) No. 6296-1/7
Monolithic Linear IC
0.85
–55 to +150
–20 to +75
Ratings
LA6545M
SANYO: MFP36SLF
0.9
2.1
14
14
13
13
0.25
Unit
°C
°C
W
W
V
V
V
V

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la6545m Summary of contents

Page 1

... Ordering number : ENN6296 Overview The LA6545M is a 4-channel bridge (BTL) driver developed for use in CD-ROM systems. Functions • Bridge connected (BTL) four-channel power amplifier • V (residual voltage) minimized (channels 1 and using two power supplies. • I max: 1 • Muting circuit provided (output on/off control) Pd max — ...

Page 2

... The MUTE1, and MUTE2 pins turn the output on when high and off when low. When the output is off, the outputs will be in the high-impedance state. The figure below shows the relationship between the channels and the MUTE pins and between the channels and the power supplies. System Figure MUTE1 MUTE2 LA6545M Symbol Conditions ...

Page 3

... VG4 14 MUTE2 MUTE2 15 (channel 4) Input stage power supply (all channels LA6545M MUTE1 Channels 1, 2 and 3 output on/off – MUTE2 + Channel 4 output on/off 3) VS1 power supply (channels 1 and 2) VS2 power supply (channels 3 and ...

Page 4

... Output stage reference voltage (Outputs Connect OUT is generated by a resistor divider Substrate (lowest potential Substrate (lowest potential) LA6545M Function 2-VBE)/2, typical buffer amplifier input) REF 1 buffer amplifier output) REF /2: typical buffer amplifier output) SS REF No. 6296-4/7 ...

Page 5

... LA6545M RF RF (NC 1-OUT 2-OUT – MUTE1 VG1 – LA6545M VG2 – VG3 – VG4 MUTE2 V REF OUT REF (5V) ...

Page 6

... – – MUTE1 MUTE Output on/off control 15 MUTE2 LA6545M Function MUTE1 Equivalent circuit V REF OUT A12691 ...

Page 7

... This catalog provides information as of April, 2000. Specifications and information herein are subject to change without notice. LA6545M and VG pin circuits. (These are the same as the block diagrams.) and VG pins. This should be seen as being the ...

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