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| Ordering number:ENN2667A Monolithic Linear IC LA4538M Ripple Filter-Provided Stereo Power Amplifier for 1.5V Headphone Stereos Features * Low current dissipation. * Excellent reduced voltage characteristics. * Minimum number of external parts required. * On-chip power switch function. * Power amplifier section Output power 8mW typ (VCC=1.5V, RL=16, f=1kHz, THD=10%) Ripple rejection 46dB typ (VCC=1.0V, VR=-30dBm, fR=100Hz) * Ripple filter section Ripple rejection 39dB typ (VCC=1.0V, VR=-35dBm, fR=100Hz) Less output voltage loss Pin 8 can be used to perform the muting current. Package Dimensions unit:mm 3111-MFP14S 14 8 8.0 Specifications Absolute Maximum Ratings at Ta = 25C Parameter Maximum supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max IO7 Pd max Topr Tstg Quiescent Pin 7 flow-out current Conditions 0.35 1.0 1.0 0.1 1.5 1.8max 1 7 0.15 SANYO : MFP14S Ratings 4.5 5.0 300 -20 to +75 -40 to +125 5.15 6.4 4.4 0.625 [LA4538M] Unit V mA mW C C Operating Conditions at Ta = 25C Parameter Recommended oprating voltage Operating voltage range Recommended load resistance Symbol VCC VCC op RL Conditions Ratings 1.5 0.9 to 4.0 16 to 32 Unit V V Operating Characteristics at Ta = 25C, RL=16, Rg=600, See specified Test Circuit. Parameter Symbol Icco1 Quiescent current Voltage gain Voltage gain difference Icco2 Icco3 VG VG Conditions VCC=1.20V, quiescent, RL3 OFF VCC=2.50V, pin 14 GND, RL3 OFF VCC=2.50V, pin 1 GND, RL3 OFF VCC=0.90V, f=1kHz, VO=-20dBm VCC=0.90V, f=1kHz, VO=-20dBm 27.5 Ratings min typ 4.5 1.5 29 max 7.0 2.5 1.0 31.5 1.0 Unit mA mA A dB dB Continued on next page. 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 Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 21800TN (KT)/3239YT/N197TA, TS No.2667-1/3 LA4538M Continued from preceding page. Parameter Total harmonic distortion Output power Crosstalk Ripple rejection (amplifier section) Ripple rejection (filter section) Output noise voltage Power on current sensitivity Power off voltage sensitivity Muting off current sensitivity Muting on voltage sensitivity Ripple filter output voltage Symbol THD PO CT SVRR1 SVRR2 VNO I1(on) V1(off) I14(off) V14(on) VF Conditions VCC=1.20V, f=1kHz, PO=0.5mW VCC=1.50V, f=1kHz, THD=10% VCC=1.20V, f=100Hz, Rg=1k, VO=-20dB VCC=1.00V, f=100Hz, Rg=1k, VR=-30dBm, BPF=100Hz VCC=1.00V, f=100Hz, VR=-35dBm VCC=2.50V, Rg=1k, BPF=20Hz to 20kHz VCC=0.85V, Vpin5 0.5V VCC=0.85V, Vpin5 0.1V VCC=0.85V, Vpin5 0.5V VCC=0.85V, Vpin5 0.1V VCC=1.00V, RL=68 0.5 0.5 0.90 5 40 40 34 Ratings min typ 0.9 8 45 46 39 55 0.1 0.6 0.1 0.6 0.94 1.0 80 1.0 max 1.5 Unit % mW dB dB dB V A V A V V Equivalent Circuit Block Diagram Test Circuit No.2667-2/3 LA4538M Sample Application Circuit 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 expor ted without obtaining the expor t 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 February, 2000. Specifications and information herein are subject to change without notice. PS No.2667-3/3 |
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