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Ordering number : ENA0318
Monolithic Linear IC
LA4225
Overview
Audio Output for TV application
5W Monaural Power Amplifier
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 = 8) * 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 = 25C
Parameter Maximum supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max IO peak Pd max Topr Tstg Arbitrarily large heat sink Rg = 0 Conditions Ratings 24 3.3 7.5 -25 to +75 -40 to +150 Unit V A W C C
Operating Conditions at Ta=25C
Parameter Recommended supply voltage Recommended load resistance Allowable operating voltage range Recommended load resistance range Symbol VCC RL VCC op RL op Not exceeding the package Pd. Conditions Ratings 13.2 4 5 to 22 4 to 8 unit V V
42706 MS JK B8-4645 No.A0318-1/3
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LA4225
Ratings min typ 65 43 4 45 5 5 0.1 0.15 30 40 47 50 1.0 0.5 max 130 47 mA dB W W % mV dB dB k
Electrical Characteristics at Ta = 25C, VCC = 13.2V, RL = 4, f = 1kHz, Rg = 600, Designated substrate and circuit
Parameter Quiescent current Voltage gain Output power Symbol ICCO VG PO1 PO2 Total harmonic distortion Output noise voltage Ripple rejection THD VNO SVRR1 SVRR2 Input resistance Ri Rg = 0 VO = 0dBm VCC = 13.2V, RL = 4, THD = 10% VCC = 18V, RL = 8, THD = 10% PO = 1W Rg = 0, DIN AUDIO Rg = 0, fR = 100Hz, Vr = 0dBm, DIN AUDIO Rg = 0, fR = 1kHz, Vr = 0dBm, DIN AUDIO Conditions Unit
Package Dimensions
unit : mm 3031C
9.5 3.2 (2.0) 2.7
(2.0)
0.51min
1.1 1.5
10.0
1 (0.75) 2.0
5 0.6 0.5 1.2
13.0
14.25max
(11.8)
SANYO : SIP5H
Block Diagram
No.A0318-2/3
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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

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