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Ordering number: EN 5231
Monolithic Linear IC
LA6537M
4-channel Bridge Driver for CD and CD-ROMs
Overview
The LA6537M is a 4-channel bridge (BTL) driver which was developed for compact discs and CD-ROMs.
Package Dimensions
unit : mm
3073A-MFP30SD
[LA6537M]
30 16
Features and Functions
. 4-channel bridge (BTL) power amplifier. . I max 700 mA. . With mute circuit (Amp 3, Amp 4).
O
15.3
0.4
1.0
0.65
SANYO : MFP30SD Pd max -- Ta Allowable power dissipation, Pd max -- W
PCB (glass epoxy resin) Steel substrate (t = 1 mm) reference value Cu foil
0.1
Mounted on PCB (glass epoxy)
Independent IC
Specifications
Maximum Ratings at Ta = 25 C
Parameter Maximum supply voltage Maximum input voltage Symbol VCC max VINB
Ambient temperature, Ta -- C
Ratings 14 13 Unit V V
Conditions
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
92995HA(II) No.5231-1/5
2.5max
2.25
Thickness 1.5 mm
0.65
1
15
0.25
10.5
7.9
9.2
LA6537M
Continued from preceding page.
Parameter Mute pin voltage Allowable power dissipation Operating temperature Storage temperature Symbol VM Pd max Topr Tstg * Mounted on PCB shown below Conditions Ratings 13 0.9 -20 to +75 -55 to +150 Unit V W C C
* PCB (20 x 30 x 1.5 mm glass epoxy resin)
Operating Conditions at Ta = 25 C
Parameter Recommended supply voltage Symbol VCC Conditions Ratings 4 to 13 Unit V
Electrical Characteristics at Ta = 25 C, VCC = 7.5 V
Parameter No-load current drain Output offset voltage Input bias current Buffer input voltage range Input voltage range Output source voltage Output sink voltage Closed-circuit voltage gain Slew rate Mute on voltage Mute pin inflow current Symbol ICC1 ICC2 VOF1 VOF2 IB VBIN VIN VO1 VO2 VG SR VM IM Note Note Note Note Conditions 1 2 3, amplifiers 1 -- 2, 7 -- 8 3, ampifiers 3 -- 4, 5 -- 6 min 20 -50 -50 1.5 1.0 5.0 max 60 60 +50 +50 100 500 VCC -1.5 VCC -1.5 5.6 1.8 2.4 12 0.15 2 60 typ 40 26 Unit mA mA mV mV nA V V V V dB V/s V A
Note 4, RL = 8.0 Note 5, RL = 8.0 Bridge amplifier Note 6 Note 6
Notes: 1. Mute off and buffer in assume 1/2 VCC V. 2. Mute off and buffer in assume 0.5 V. 3. Represents the interoutput difference. 4. Voltage relative to ground (source) when an 8 load is connected between bridge amplifier outputs. 5. Voltage relative to ground (sink) when an 8 load is connected between bridge amplifier outputs. 6. Muting is activated when high, and the amplifier outputs 3 and 4 are off.
Test Method
SW No. 1 Item ICC1 ICC2 VOF1,2 IB VO1 VO2 VM IM VG a a b b b b b b b ON ON ON OFF OFF OFF ON ON ON ON ON ON OFF ON OFF ON ON ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF b b b a b a b b b b b b a a b b b b OFF OFF OFF ON OFF OFF OFF OFF OFF ON ON ON OFF OFF ON ON ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF b a b b b b b b b OFF OFF OFF OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF OFF ON 2 3 4 5 6 7 8 9 10 11 12 13 14
1. 2. 3. 4. 5. 6. 7.
For ICC1 and 2, measure the inflow current on the VCC pin. For VOF1 and 2, measure the voltage between pins 3 and 4 (amplifiers 1 and 2), pins 27 and 28 (amplifiers 7 and 8), pins 12 and 13 (amplifiers 3 and 4), and pins 18 and 19 (amplifiers 5 and 6). For IB, measure the voltage across the 100 k resistor (IB = V/100 k). For VO1 and 2, measure each output voltage at input voltages 1.75 V and 5.75 V, respectively. VM is the mute pin (pin 7) voltage when the output goes off. IM is the mute pin (pin 7) inflow current when the output goes off. For VG, measure the voltage between pins 3 and 4 (amplifiers 1 and 2), pins 27 and 28 (amplifiers 7 and 8), pins 12 and 13 (amplifiers 3 and 4), and pins 18 and 19 (amplifiers 5 and 6) at f = 1 kHz, and use the following formula: VG = 20 log VO/V1 dB. No.5231-2/5
LA6537M
Test Circuit
Block Diagram and Pin Assignment
Top view Do not use the NC pin. No.5231-3/5
LA6537M
Sample Application Circuit
Load
Load
Load
Load
Top view
No.5231-4/5
LA6537M
Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products(including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of September, 1995. Specifications and information herein are subject to change without notice. PS No.5231-5/5

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