www.DataSheet4U.com Ordering number : ENA0318 Monolithic Linear IC Audio Output for TV application LA4225 5W Monaural Power Amplifier Overview LA4225 is a 5W monaural power amplifier intended for television audio output. This IC requires only two external components (capacitors) to construct amplifiers and is ideal for realizing substantial cost reduction of electronic devices. Functions • 5W monaural power amplifier (VCC = 18V, RL = 8Ω) • Full complement of protection circuits Thermal shutdown protector on chip Short between an output and DC protection circuit • On-chip pop noise reduction circuit Maximum Ratings at Ta = 25°C Parameter Symbol Maximum supply voltage VCC max Maximum output current IO peak Allowable power dissipation Pd max Conditions Ratings Rg = 0 Unit 24 Arbitrarily large heat sink V 3.3 A 7.5 W Operating temperature Topr -25 to +75 °C Storage temperature Tstg -40 to +150 °C Operating Conditions at Ta=25°C Parameter Symbol Recommended supply voltage VCC Recommended load resistance RL Allowable operating voltage range Recommended load resistance range VCC op RL op Conditions Not exceeding the package Pd. Ratings unit 13.2 V 4 Ω 5 to 22 V 4 to 8 Ω 42706 MS JK B8-4645 No.A0318-1/3 www.DataSheet4U.com LA4225 Electrical Characteristics at Ta = 25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz, Rg = 600Ω, Designated substrate and circuit Parameter Symbol Ratings Conditions min Quiescent current ICCO Rg = 0 Voltage gain VG Output power PO1 VO = 0dBm VCC = 13.2V, RL = 4Ω, THD = 10% PO2 VCC = 18V, RL = 8Ω, THD = 10% Total harmonic distortion THD PO = 1W Output noise voltage VNO Rg = 0, DIN AUDIO Ripple rejection SVRR1 Rg = 0, fR = 100Hz, Vr = 0dBm, DIN AUDIO SVRR2 Rg = 0, fR = 1kHz, Vr = 0dBm, DIN AUDIO Input resistance Ri Unit typ max 65 130 mA 43 45 47 dB 4 5 W 5 30 W 0.1 1.0 % 0.15 0.5 mV 40 dB 47 dB 50 kΩ Package Dimensions unit : mm 3031C 9.5 2.7 3.2 1 5 2.0 0.6 14.25max 13.0 (11.8) (0.75) 0.51min 1.1 1.5 10.0 (2.0) (2.0) 0.5 1.2 SANYO : SIP5H Block Diagram No.A0318-2/3 www.DataSheet4U.com LA4225 Application Circuit Example 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, of 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 April, 2006. Specifications and information herein are subject to change without notice. PS No.A0318-3/3