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LA6544M датащи(PDF) 7 Page - Sanyo Semicon Device |
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LA6544M датащи(HTML) 7 Page - Sanyo Semicon Device |
7 / 7 page PS No. 6295-7/7 LA6544M Gain Setting (Functions of the Input and Gain Adjustment Pins) The figures present overviews of the VIN and VG pin circuits. (These are the same as the block diagrams.) 1. Consider resistors (11 k Ω, typical) to be inserted between the V IN and VG pins. This should be seen as being the same as the operational amplifier noninverting input (VIN+). 2. If the VG pins are not used, and only the VIN pins are used, the BTL gain (across the VO+ and VO- outputs) will be 7 dB for channels 1, 2, and 3 (amplifier units: 1 dB + BTL: 6 dB) and 14 dB for channel 4 (amplifier units: 8 dB + BTL: 6 dB). If the VIN pins are not used and 11 kΩ external resistors are attached to the VG pins, input to the opposite ends of those resistors will result in equivalent circuit operation. However, the VIN pins should be used and the gain set to minimize the I/O gain temperature characteristics. Offset Voltage This IC includes built-in level shifting circuits. For input to which VREF is applied as a reference, the output is referenced to the voltage VSS1/2 (V) for channels 1, 2, and 3, and the output is referenced to the voltage (VSS2 – VBE(0.7))/2 (V) for channel 4. This catalog provides information as of April, 2000. Specifications and information herein are subject to change without notice. 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. 11 k Ω VIN1 to VIN3 12.5 k Ω – + VG1 to VG3 11 k Ω VIN4 27.5 k Ω – + VG4 A12687 |
Аналогичный номер детали - LA6544M |
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Аналогичное описание - LA6544M |
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