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| Ordering number: EN 5591 Monolithic Linear IC LA6541D 4-channel Bridge Driver for Compact Discs Functions and Features Package Dimensions unit : mm . 4-channel bridge (BTL) power amplifier. . I max. 700 mA. . With mute circuit O 3196-DIP30SLF [LA6541D] . . (Affects all amplifier outputs, Amp 1 to Amp 8). (When the mute voltage is low, the outputs turn off; when the mute voltage is high, the outputs turn on). 5.0 V regulator built in (Uses external PNP transistor). Reset circuit built in (The reset output delay time can be adjusted through an external capacitor). Specifications Maximum Ratings at Ta = 25C Parameter Maximum supply voltage Maximum input voltage Mute pin voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VIN VMute Pd max Topr Tstg When using standard board (material: glass epoxy) Conditions SANYO : DIP30SLF Ratings 14 13 13 2.5 -20 to +75 -55 to +150 Unit V V V W C C Recommended Operating Conditions at Ta = 25C Parameter Operating voltage Reset output source current Reset output sink current Symbol VCC IORH IORL Conditions Ratings 5.6 to 13 0 to 200 0 to 2 Unit V A mA 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 Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN D2096HA (II) No.5591-1/7 LA6541D Electrical Characteristics at Ta = 25C, VCC = 8.0 V, VREF = 4 V Parameter No-load current drain Symbol ICC1 ICC2 VOF1 Output offset voltage VOF2 Conditions When all amplifier outputs are on (Mute high) When all amplifier outputs are off (Mute low) Amplifier 1 to 2 (VO1 to VO2), Amplifier 3 to 4 (VO3 to VO4) Amplifier 5 to 6 (VO5 to VO6), Amplifier 7 to 8 (VO7 to VO8) min typ 20 15 max 40 35 50 50 VCC-1.5 VCC-1.5 5.6 1.8 9 0.15 1.2 5.0 20 50 4.98 100 4.3 100 10 2.4 Unit mA mA mV mV V V V V dB V/s V V mV mV V mV V mV ms -50 -50 1.5 1.0 5.0 Buffer amplifier input voltage VBIN range Input voltage range VIN Output source voltage VO1 Note 1, when RL = 8.0 Output sink voltage VO2 Note 2, when RL = 8.0 Closed-circuit voltage gain VG Between bridge amplifiers Slew rate SR Mute on voltage VMute Note 3 [Power Supply] (with 2SK632K connected externally) Output voltage VOUT1 IO = 200 mA Line regulation VOLN1 5.6 % VIN1 % 12 V Load regulation VOLD1 5 mA % IO % 200 mA [Reset] High reset output voltage VORH IORH = 200 A, Cd pin open Low reset output voltage VORL ISRL = 2 mA, Cd is shorted to GND Reset threshold voltage VRT Note 4 Reset hysteresis voltage Vhys Note 5 Reset output delay time td Cd = 0.1 F 4.75 5.25 100 150 5.23 200 200 4.73 40 Notes: 1. Source voltage to ground when an 8 load is connected between bridge amplifier outputs. 2. Sink voltage to ground when an 8 load is connected between bridge amplifier outputs. 3. When the mute signal is high, all amplifier outputs turn on, and when low, all amplifier outputs turn off. When the mute signal is low, amplifier output is undefined. 4. 5 V supply voltage when the reset output goes low. 5. Potential difference from the 5 V supply voltage when the reset output goes low and when it goes high. Allowable power dissipation, Pd max - W Pd max - Ta Independent IC Ambient temperature, Ta - C No. 5591-2/7 LA6541D Pin Functions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Pin Name VCC Mute VIN1 VG1 VO1 VO2 GND GND GND VO3 VO4 VG2 VIN2 REG OUT REG IN RES CD VIN3 VG3 VO5 VO6 GND GND GND VO7 VO8 VG4 VIN4 VREF VCC Power supply (shorted with pin 30) ON/OFF control for all BTL AMP outputs BTL AMP 1 input BTL AMP 1 input (for gain control) BTL AMP 1 output (non-inverting side) BTL AMP 1 output (inverting side) GND (minimum electric potential) GND (minimum electric potential) GND (minimum electric potential) BTL AMP 2 output (inverting side) BTL AMP 2 output (non-inverting side) BTL AMP 2 input (for gain control) BTL AMP 2 input Connection for collector of external transistor (PNP); 5 V supply output Connection for base of external transistor (PNP) Reset output Reset output delay time setting (with capacitor) BTL AMP 3 input BTL AMP 3 input (for gain control) BTL AMP 3 output (non-inverting side) BTL AMP 3 output (inverting side) GND (minimum electric potential) GND (minimum electric potential) GND (minimum electric potential) BTL AMP 4 output (inverting side) BTL AMP 4 output (non-inverting side) BTL AMP 4 input (for gain control) BTL AMP 4 input Reference voltage input for level shift circuit Power supply (shorted with pin 1) Description (Function) No. 5591-3/7 LA6541D Pin Assignment (Block Diagram) Level shift 1 Level shift 4 Level shift 2 Level shift 3 Regulator Top view No. 5591-4/7 LA6541D Sample Application Circuit To VCC Microcontroller Level shift Level shift BTL driver BTL driver BTL driver BTL driver Level shift Level shift Regulator Microcontroller VCC (connected to pins 1 and 30) Note: Use a delay capacitor (Cd) whose capacitance does not change much according to the temperature. No. 5591-5/7 LA6541D Pin Functions Pin Input Name VIN1 VIN2 VIN3 VIN4 VG1 VG2 VG3 VG4 Pin No. 3 13 18 28 4 12 19 27 Equivalent Circuit Description Input pins Output VO1, VO3, VO5, VO7, VO2 VO4 VO6 VO8 5, 6 10, 11 20, 21 25, 26 Output pins Mute Mute 2 Output ON/OFF Truth Table CH1 Input MUTE H L H L V O1 (Amp1) H -- L -- VO2 (Amp2) L -- H -- CH2 V O3 (Amp3) L -- H -- V O4 (Amp4) H -- L -- CH3 VO5 (Amp5) H -- L -- V O6 (Amp6) L -- H -- CH4 V O7 (Amp7) L -- H -- V O8 (Amp8) H -- L -- H L * The ``--'' symbol means ``undefined.'' No. 5591-6/7 LA6541D Reset Operation 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 December, 1996. Specifications and information herein are subject to change without notice. PS No. 5591-7/7 |
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