Monolithic Linear LA6541D Compact Discs 4-Channel Bridg

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Monolithic Linear LA6541D Compact Discs 4-Channel Bridg

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Ordering number EN5591B
Monolithic Linear
LA6541D
Compact Discs
4-Channel Bridge Driver
LA6541D 4-channel bridge (BTL) driver players.
Features
4-channel bridge (BTL) power amplifier. 700mA. With mute circuit (Affects amplifier outputs, (When mute voltage low, outputs turn when mute voltage high, outputs turn on). 5.0V regulator built-in (Uses external transistor). Reset circuit built-in (The reset output delay time adjusted through external capacitor).
Specifications
Absolute Maximum Ratings 25°C
Parameter Maximum supply voltage Maximum input voltage Mute voltage Allowable power dissipation Operating temperature Storage temperature Symbol VMute Topr Tstg Mounted specified board Conditions Ratings +150 Unit
Specified board 76.2mm 114.3mm 1.5mm, glass epoxy board
Recommended Operating Conditions 25°C
Parameter Operating voltage Reset output source current Reset output sink current Symbol IORH IORL Conditions Ratings Unit
SANYO Semiconductor Co.,Ltd. products described contained herein are, with regard "standard application", intended general electronics equipment (home appliances, equipment, communication device, office equipment, industrial equipment etc.). products mentioned herein shall intended "special application" (medical equipment whose purpose sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level reliability directly threaten human lives case failure malfunction product cause harm human bodies, shall they grant guarantee thereof. should intend products applications outside standard applications customer considering such and/or outside scope intended standard applications, please consult with prior intended use. there consultation inquiry before intended use, customer shall solely responsible use. Specifications SANYO Semiconductor Co.,Ltd. products described contained herein stipulate performance, characteristics, functions described products independent state, guarantees performance, characteristics, functions described products mounted customer' products equipment. verify symptoms states that cannot evaluated independent device, customer should always evaluate test devices mounted customer' products equipment.
O0108 PC/D2096HA(II) No.5591-1/7
LA6541D
Electrical Characteristics 25°C, 8.0V, VREF
Parameter No-load current drain Symbol ICC1 ICC2 Output offset voltage VOF1 VOF2 Buffer input voltage range Input voltage range Output source voltage Output sink voltage Closed-circuit voltage gain Slew rate Mute voltage VBIN VMute Note Note when Note when Between bridge amplifier Conditions When amplifier outputs (Mute high) When amplifier outputs (Mute low) Amplifiers (VO1 VO2), Amplifiers (VO3 VO4) Amplifiers (VO5 VO6), Amplifiers (VO7 VO8) 0.15 Ratings VCC-1.5 VCC-1.5 Unit
Power supply (with 2SK632K connected externally) Output voltage Line regulation Load regulation Reset High reset output voltage reset output voltage Reset threshold voltage Reset hysteresis voltage Reset output delay time VORH VORL Vhys IORH 200A, open ISRL 2mA, shorted Note Note 0.1F 4.73 4.98 5.23 VOUT1 VOLN1 VOLD1 200mA VIN1 200mA 4.75 5.25
Note Source voltage ground when load connected between bridge amplifier outputs. Sink voltage ground when load connected between bridge amplifier outputs. When mute signal high, amplifier outputs turn when low, amplifier outputs turn off. When mute signal low, amplifier output undefined. supply voltage when reset output goes low. Potential difference from supply voltage when reset output goes when goes high.
Package Dimensions
unit (typ) 3196A
Specified board 76.2 114.3 1.5mm3 glass epoxy
27.0
Allowable power dissipation,
0.95
0.25
10.16
3.95
0.51
(3.25)
0.48 1.78
(1.04)
SANYO DIP30SD(400mil)
Ambient temperature,
No.5591-2/7
LA6541D
Assignment Block Diagram
Mute
VREF
VIN1
Level shift
Level shift VIN4
Level shift VIN2 Level shift
VIN3
Regulator
RESET
view
No.5591-3/7
LA6541D
Functions
Name Mute VIN1 VIN2 VIN3 VIN4 VREF Power supply (shorted with ON/OFF control amplifier outputs amplifier input amplifier input (for gain control) amplifier output (non-inverting side) amplifier output (inverting side) (minimum electric potential) (minimum electric potential) (minimum electric potential) amplifier output (inverting side) amplifier output (non-inverting side) amplifier input (for gain control) amplifier input Connection collector external transistor (PNP) supply output Connection base external transistor (PNP) Reset output Reset output delay time setting (with capacitor) amplifier input amplifier input (for gain control) amplifier output (non-inverting side) amplifier output (inverting side) (minimum electric potential) (minimum electric potential) (minimum electric potential) amplifier output (inverting side) amplifier outputn (non-inverting side) amplifier input (for gain control) amplifier input Reference voltage input level shift circuit Power supply (shorted with Description
No.5591-4/7
LA6541D
Description
Name VIN1 VIN2 VIN3 VIN4 Function Input Description Each input pins Equivalent circuit
Level shift
VREF
VO1, VO3, VO5, VO7, Output Each output pins
Level shift
Mute
Mute
Output ON/OFF
Mute
Truth Table
Input MUTE (Amp (Amp (Amp (Amp (Amp (Amp (Amp (Amp
symbol means "undefined."
No.5591-5/7
LA6541D
Sample Application Circuit
VREF VIN4 driver SPINDLE MOTOR driver FOCUS Level shift Level shift
Microcontroller
Mute VIN1
BIAS
SPINDLE
FOCUS
SLED MOTOR
TRACKING
driver
driver
VIN2 SLED
VIN3 0.1F Microcontroller
Level shift
Level shift
TRACKING
100F
(connected pins
Regulator
RESET
[ms] view
Note delay capacitor (Cd) whose capacitance does change much according temperature.
No.5591-6/7
LA6541D
Reset Operation
VOUT
VRES
SANYO Semiconductor Co.,Ltd. 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 Co.,Ltd. products described contained herein. SANYO Semiconductor Co.,Ltd. strives supply high-quality high-reliability products, however, semiconductor products fail malfunction with some probability. possible that these probabilistic failures malfunction could give rise accidents events that could endanger human lives, trouble that could give rise smoke fire, accidents 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 Co.,Ltd. products described contained herein controlled under applicable local export control laws regulations, such products require 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 consent SANYO Semiconductor Co.,Ltd. information described contained herein subject change without notice product/technology improvement, etc. When designing equipment, refer "Delivery Specification" SANYO Semiconductor Co.,Ltd. product that intend use. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. Upon using technical information products described herein, neither warranty license shall granted with regard intellectual property rights other rights SANYO Semiconductor Co.,Ltd. third party. SANYO Semiconductor Co.,Ltd. shall liable claim suits with regard third party's intellctual property rights which resulted from technical information products mentioned above.
This catalog provides information October, 2008. Specifications information herein subject change without notice. No.5591-7/7

Monolithic Linear LA6541D Compact Discs 4-Channel Bridg

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