Monolithic Linear LA6541 Compact Disk Four-Channel Brid

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Monolithic Linear LA6541 Compact Disk Four-Channel Brid

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Ordering number EN5598
Monolithic Linear
LA6541
Compact Disk
Four-Channel Bridge (BTL) Driver
LA6541 4-channel bridge (BTL) driver players.
Functions
Bridge-connection (BTL) power amplifier, channels 700mA With muting function (Operable amplifier outputs 5.0V regulator built (Output transistor connected externally) Reset circuit built (Reset output delay time settable using external capacitor) Thermal shutdown circuit built
Specifications
Maximum Ratings 25°C
Parameter Supply voltage Allowable power dissipation Maximum input voltage MUTE voltage Operating temperature Storage temperature Substrate size Symbol VINB VMUTE Topr Tstg Material glass epoxy. Specified substrate* Conditions Ratings +150 Unit
Recommended Operating Conditions 25°C
Parameter Operating voltage Reset output source current Reset output sync current Symbol IORH IORL Conditions Ratings Unit
SANYO Semiconductor products described contained herein have specifications that handle applications that require extremely high levels reliability, such life-support systems, aircraft's control systems, other applications whose failure reasonably expected result serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest before using SANYO Semiconductor products described contained herein such applications. SANYO Semiconductor assumes responsibility equipment failures that result from using products values that exceed, even momentarily, rated values (such maximum ratings, operating condition ranges, other parameters) listed products specifications SANYO Semiconductor products described contained herein.
D0606 8-0786 No.5598-1/6
LA6541
Electrical Characteristics 25°C, 8.0V, VREF 2.5V
Parameter Overall No-load current drain No-load current drain Output offset voltage Output offset voltage Buffer input voltage range Input voltage rang Output voltage source Output voltage sink Closed-circuit voltage gain Slew rate Mute voltage Power supply block (2SB632K used) Output voltage Line regulation Load regulation Reset block reset output voltage reset output voltage Reset threshold voltage Reset hysteresis voltage Reset output delay time VORH VORL VHYS IORH 200A, open IORL 2mA, Cd-GND shorted 0.1F 4.73 4.98 5.23 VOUT1 VOLN1 VOLD1 200mA 5.6V VIN1 200mA 4.75 5.25 ICC1 ICC2 VOF1 VOF1 IBIN VMUTE Bridge outputs (MUTE outputs (MUTE LOW) (VO1-VO2), (VO3-VO4) (VO5-VO6), (VO7-VO8) 0.15 VCC-1.5 VCC-1.5 Symbol Conditions Ratings Unit
Note Voltage relative when load connected across bridge amplifier outputs (source) Voltage relative when load connected across bridge amplifier outputs (sink) MUTE supports amplifier outputs MUTE supports amplifier outputs OFF. supply voltage when reset output brought Difference between supply voltage when reset output brought supply voltage when reset output brought
Package Dimensions
unit (typ) 3227B
Specified board glass epoxy Mounted board
2.30
15.2
Allowable power dissipation,
10.5
1.38
(0.79)
(2.25) 2.45max
0.25
0.65
Ambient temperature,
SANYO HSOP24(375mil)
No.5598-2/6
LA6541
Block Diagram Sample Application Circuit
microcomputer
MUTE
VREF
BIAS
VIN1 SPINDLE Level shift Level shift
VIN4
FOCUS
SPINDLE MOTER
driver driver
FOCUS
SLED MOTER
TRACKING
driver
driver
SLED
VIN2
Level shift
Level shift
VIN3
TRACKIN
100F
0.1F microcomputer [ms]
Equivalent SANYO 2SB632K
Regulator
RESET
(Connected pins
No.5598-3/6
LA6541
Functions
Symbol MUTE VIN1 VIN2 REG-OUT REG-IN VIN3 VIN4 VREF Power supply (Shorted amplifier outputs ON/OFF input input (For gain adjustment) input (Noninverting side) input (Inverting side) input (Inverting side) input (Noninverting side) input (For gain adjustment) input External transistor collector (PNP) connection. power supply output External transistor (PNP) base connection Reset output Reset output delay time setting (Capacitor connected externally) input input (For gain adjustment) output (Noninverting side) output (Inverting side) output (Inverting side) output (Noninverting side) output (For gain adjustment) output Level shift circuit's reference voltage application Power supply (Shorted descriptions
Note (the lowest potential) must located center assignment frame.
No.5598-4/6
LA6541
Description
Symbol VIN1 VIN2 VIN3 VIN4 function Input Description Each input Equivalent circuit
VIN*
Driver
VREF
VO1, VO3, VO5, VO7, Output Each output
Driver
MUTE
MUTE
MUTE
MUTE
Truth Table
Input MUTE (Amp (Amp (Amp (Amp (Amp (Amp (Amp (Amp
Amplifier output
No.5598-5/6
LA6541
Reset operation
VOUT
Specifications SANYO Semiconductor products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer's products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer's products equipment. SANYO Semiconductor Co., Ltd. strives supply high-quality high-reliability products. However, semiconductor products fail with some probability. possible that these probabilistic failures could give rise accidents events that could endanger human lives, that could give rise smoke fire, that could cause damage other property. When designing equipment, adopt safety measures that these kinds accidents events cannot occur. Such measures include limited protective circuits error prevention circuits safe design, redundant design, structural design. event that SANYO Semiconductor products (including technical data,services) described contained herein controlled under applicable local export control laws regulations, such products must exported without obtaining export license from authorities concerned accordance with above law. part this publication reproduced transmitted form means, electronic mechanical, including photocopying recording, information storage retrieval system, otherwise, without prior written permission SANYO Semiconductor Co., Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO Semiconductor product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO Semiconductor believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties.
This catalog provides information December, 2006. Specifications information herein subject change without notice. No.5598-6/6

Monolithic Linear LA6541 Compact Disk Four-Channel Brid

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