Ordering number : EN*A1282 Monolithic Linear IC LA2616V Featuring the AViSS 3D Surround Algorithm Analog Surround IC Overview The LA2616V is sound field playback processing ICs for use in audio equipment, TVs, and PCs. These ICs allow equipment to easily reproduce a spatial realistic sound field from a stereo signal from a music, video, or other audio source. Features • Supports a wide operating supply voltage range, and can be used in a wide range of applications. • The added surround signal level can be adjusted. • Low-noise low-distortion bypass mode • Provides a natural feeling of spaciousness without degrading the tonal coloration of the source. • Clear vocal positioning without any apparent loss of center to the sound • Miniature packages : SSOP16 Functions • Surround signal processing • Surround/bypass switching • Variable surround effect • LED drive circuit Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max Allowable power dissipation Pd max Operating temperature Topr -25 to +70 °C Storage temperature Tstg -40 to +125 °C Ta ≤ 70°C * 13 V 250 mW *Mounted on a specified board : 114.3mm × 76.1mm × 1.6mm, glass epoxy board. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. 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. 82008 MS No.A1282-1/6 LA2616V Operating Conditions at Ta = 25°C Parameter Symbol Recommended supply voltage VCC Operating supply voltage range VCC opg Conditions Ratings Unit 9.0 V 4.5 to 12.0 V Electrical Characteristics at Ta = 25°C, VCC = 9V, VI = 300mVrms (left and right input), f = 1kHz Parameter Symbol Ratings Conditions min typ Quiescent current ICCT No signal, surround off Voltage gain VGT Surround off -2 VGS Surround on Maximum output voltage VO max T THD = 3%, surround off VO max S THD = 3%, surround on Total harmonic distortion Unit max 4 8 mA 0 +2 dB -2 0 +2 1 2.5 Vrms 1 2.5 Vrms dB THD T Surround off 0.01 0.03 % THD S Surround on 0.2 0.5 % Crosstalk CT T Surround off Output noise voltage VNO T Surround off -100 -90 dBm VNO S Surround on -90 -80 dBm 6 10 mA LED current ILED 80 85 dB Package Dimensions unit : mm (typ) 3178B 5.2 0.5 6.4 9 4.4 16 1 8 0.65 0.15 (1.3) 1.5max 0.22 0.1 (0.33) SANYO : SSOP16(225mil) No.A1282-2/6 LA2616V Block Diagram GDR 16 On/Off 1 to ACG R1 GUR 15 H/L 3 14 GND ANALOG LEVEL SURROUND ATT H/L 2 4 0.1µF VREF L-IN + 6 ON/OFF 4.7µF + + ACG 4.7µF + LPFC 0.01µF LED 7 VCC 11 + VCC 47µF 10 1µF + L-OUT 1µF 8 9 + R-OUT 1µF 10kΩ 1µF 16 GDR + − 15 GUR 10kΩ R-IN to ACG 12 VREF HPEC 5 13 R2 No.A1282-3/6 LA2616V Pin Functions Pin No. Pin name 1 CONT1 Pin Pin function voltage 0V, 5V Equivalent circuit Surround on/off control 1 2 CONT2 3 CONT3 5 HPEC 0V, 5V 1/2 VCC Surround effect selection 2 3 High-pass filter capacitor connection 5 7 L-IN 8 R-IN 9 R-OUT 10 L-OUT 1/2 VCC Input 7 8 1/2 VCC Output 9 10 12 LED VCC LED connection 12 13 LPFC 1/2 VCC Low-pass filter capacitor connection 13 15 GUR 1/2 VCC Surround effect maximum value setting 15 16 GDR 1/2 VCC Surround effect maximum value setting 16 No.A1282-4/6 LA2616V ICCO – VCC 5 Output – f 16 I CCO 3 12 round) 10 (Sur 2 nd s) (Bypas ro u I CCO Sur 4 Output – dB Quiescent current, ICCO – mA 14 8 6 4 2 1 Bypass 0 –2 0 3 5 7 9 11 13 10 2 3 5 7100 2 3 Supply voltage, VCC – V Signal Handling – VCC Signal Handling (Surround) 5 0 –5 – 10 5 7 9 11 5 7100k 2 3 5 7100k d 0.25 0.2 0.15 0.1 0.05 0 10 13 Bypass 2 3 5 7 100 2 3 5 7 1k 2 3 5 710k Frequency, f – Hz S/N – VCC CT – f – 80 Surround – 82 – 92 Crosstalk, CT – dB Signal-to-noise ratio, S/N – dB 2 3 0.3 Supply voltage, VCC – V – 90 5 7100k un Total harmonic distortion, THD – % Signal Handling – dB 15 3 2 3 ro ing 10 5 7 10k THD – f 0.35 andl al H Signpass) (By 20 2 3 Su r 25 5 7 1k Frequency, f – Hz – 94 – 96 – 98 – 84 – 86 Cross Talk – 88 – 90 Bypass – 100 – 92 3 5 7 9 11 Supply voltage, VCC – V 13 10 2 3 5 7100 2 3 5 7 1k 2 3 5 710k Frequency, f – Hz No.A1282-5/6 LA2616V Surround Effect The maximum value of the surround effect is set with pins 15 and 16. • The surround effect is increased by connecting an external resistor to pin 15. • The surround effect is decreased by connecting an external resistor to pin 16. • The device may be used with no external resistors on pins 15 and 16. The level of the surround effect is controlled by pins 1 to 3. Pin 1 Pin 2 Pin 3 Effect Low Low Low Maximum High High Low Midiam Low High Minimum Bypass Note* : For the high level, a potential over 3V and under VCC must be used. SANYO Semiconductor Co.,Ltd. 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 Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents 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 Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require 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 consent of SANYO Semiconductor 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 Semiconductor Co.,Ltd. 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. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of August, 2008. Specifications and information herein are subject to change without notice. PS No.A1282-6/6