la4635a что за микросхема
La4635a что за микросхема
The a 2-channel power IC that is pin-compatible with the LA4636. It represents a new concept in devices of this type by allowing design editing based on common circuit board pin compatibility for products of different power ranks. It is compatible with VCC 9 V and VCC 12 V specifications and is available in two versions with different voltage gains (LA4635A with 35 dB and LA4635B with = 45 dB).
Parameter Maximum supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Io peak Pd max Topr Tstg No signal Per channel Infinite heat sink Conditions
Parameter Recommended supply voltage Recommended load resistance Allowable operating voltage range Symbol VCC RL op VCC op Conditions Ratings to 22 Unit V
* Set VCC, RL, and output level such that Pd max. is not exceeded for the size of heat sink used.
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.
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Parameter Quiescent current Standby current Voltage gain Total harmonic distortion Output power Output noise voltage Ripple rejection Channel separation Input resistance Standby pin voltage Symbol ICCO Ist VG THD P O2 VNO SVRR CH Sep Ri VST Amplifier on (pin 5 voltage) = 0 dBm 1 W THD = 10% VCC 9 V, THD = 0, BPF to 20 kHz = 100 Hz, = 0 dBm = 0 dBm = 0 Conditions min 18 Ratings typ max Unit k V
* If voltage to be applied to the Standby pin (pin 5), a resistor (Rx) should be inserted to limit the inflow current, as required. Please refer to the information below.
The amplifier can be turned on and off by controlling the level (high/low) of pin 5. Applying a signal equal or greater than 1.5 V and µA to pin 5 turns on the amplifier. (If V is applied directly to pin 5 the inflow current of pin 5 is approximately 4.5 mA.) If a voltage, Vx, exceeding to be applied, current limiting resistor (Rx) should be inserted to limit the inflow current to 4.5 mA. (See following equation.) Rx = (Vx / 4.5 mA If pin to be controlled by the microprocessor, the pin 5 inflow current (Ix) should be optimized for the capacity of the microprocessor by calculating Rx using the following equation, as a general guideline, and then confirming the inflow current through actual measurement. Rx = (Vx / Ix) (2 k)
Note: The LA4635A is basically pin-compatible with the LA4636, but there are partial differences in operation and usage, including with regard to externally connected parts.
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 July, 2002. Specifications and information herein are subject to change without notice.
