Ordering number:ENN2333B Monolithic Linear IC LA4537M Power Amplifier for 1.5V Headphone Stereos Features Package Dimensions * Low current drain. * 16 load drive capability. * Excellent reduced voltage characteristics. * Excellent power supply ripple rejection. * Minimum number of external parts required (no input capacitor, feedback capacitor required). * Less harmonic interference in radio band. * On-chip power switch function, muting function. unit:mm 3086A-MFP10S 10 0.625 [LA4537M] 4.4 5.15 6.4 6 1.8 max 5 1 0.15 0.1 1.5 5.1 0.35 Specifications 1.0 0.55 SANYO : MFP10S Absolute Maximum Ratings at Ta = 25C Parameter Symbol Maximum supply voltage VCC max Allowable power dissipation Conditions Ratings Quiescent Pd max Unit 4.5 V 300 mW Operating temperature Topr -20 to +75 C Storage temperature Tstg -40 to +125 C Operating Conditions at Ta = 25C Parameter Recommended supply voltage Operating voltage range Recommended load resistance Symbol Conditions Ratings Unit VCC VCC op 1.5 0.9 to 4.0 V V RL 16 to 32 Operating Characteristics at Ta = 25C, RL=16, Rg=600, See specified Test Circuit. Parameter Symbol Icco1 Quiescent current Voltage gain Icco2 VCC=1.2V, quiescent VCC=2.5V, pin 10 GND Icco3 VCC=2.5V, pin 1 GND VG Voltage gain difference Conditions VG VCC=1.2V, f=1kHz, VO=-20dBm VCC=1.2V, f=1kHz, VO=-20dBm Ratings min 28.5 typ max Unit 3.5 6.0 mA 1.4 2.5 mA 1.0 A 31.5 dB 1.0 dB 30.0 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)/63095HA (KOTO)/8307AT, TS No.2333-1/3 LA4537M Continued from preceding page. Parameter Total harmonic distortion Output power Crosstalk Symbol THD VCC=1.2V, f=1kHz, PO=0.5mW PO VCC=1.5V, f=1kHz, THD=10% CT Ripple rejection SVRR Output noise voltage VNO I1 (on) Power on current sensitivity Power off voltage sensitivity Conditions Muting off current sensitivity V1 (off) I10 (off) Muting on voltage sensitivity V10 (on) Ratings min typ max 0.5 1.5 Unit % 5 8 mW VCC=1.2V, f=100Hz, Rg=1k, VO=-20dB 40 45 dB VCC=1.0V, f=100Hz, Rg=1k, VR=-30dBm, BPF=100Hz 40 46 dB VCC=2.5V, Rg=1k, BPF=20Hz to 20kHz 55 80 V VCC=0.85V, V50.5V VCC=0.85V, V50.1V 0.1 1.0 A 1.0 A VCC=0.85V, V50.5V VCC=0.85V, V50.1V 0.5 0.6 0.1 0.5 0.6 V V Note) The quiescent current is respresented by the current flowing into pin 6. The respective maximum currents flowing into pin 1 and pin 10 are calculated by (pin voltage -0.5) / 16 [V/k] and the total current increases by these current values. Equivalent Circuit Block Diagram Test Circuit No.2333-2/3 LA4537M Sample Application Circuit 1 (Standard) Sample Application Circuit 2 (Output capacitor shared) 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.2333-3/3