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| Ordering number : EN8766 Monolithic Linear IC LA6546H Overview For Compact Disk Four-Channel Bridge (BTL) Driver The LA6546H is a 4-channel bridge (BTL) driver for CD players. Functions * Bridge-connection (BTL) power amplifier 4-channel. * IO max 700mA * Operation-amplifier built-in * MUTE circuit built-in (operable for all channels) * 5V power supply built-in (with external PNP output) * Reset circuit built-in (reset output delay time set with the external capacitor) Specifications Maximum Ratings at Ta = 25C Parameter Supply voltage Allowable power dissipation Maximum input voltage MUTE pin voltage Operating temperature Storage temperature * Specified board size : 76.1x114.3x1.6mm3, Symbol VCC max Pd max VINB VMUTE Topr Tstg glass epoxy. Measure with a designated substrate* Conditions Ratings 14 2.34 13 13 -30 to +85 -55 to +150 Unit V W V V C C Recommended Operating Conditions at Ta = 25C Parameter Operating voltage Reset output source current Reset output sync current Symbol VCC IORH IORL Conditions Ratings 5.6 to 13 0 to 200 0 to 2 Unit V A mA Any and all SANYO Semiconductor 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 Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor 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 products described or contained herein. D0606 MS PC B8-4144 No.8766-1/6 LA6546H Electrical Characteristics at Ta = 25C, VCC = 8V, VREF = 2.5V Parameter Overall No-load current drain 1 No-load current drain 2 Output offset voltage 1 ICC1 ICC2 VOF1 VOF1 IBIN VO VG SR VMUTE RL = 8.0 *1 All amp outputs ON (MUTE HI) *1 All amp outputs OFF (MUTE LOW) *1 CH1 (VO1+ and VO1-), CH2 (VO2+ and VO2-) Output offset voltage 2 CH3 (VO3+ and VO3-), CH4 (VO4+ and VO4-) VREF input voltage range Output voltage Closed-circuit voltage gain Slew rate MUTE ON voltage 1.5 4.0 4.7 9 0.15 1.2 VCC-1.5 V V dB V/s V -50 50 mV -50 20 15 40 35 50 mA mA mV Symbol Conditions min Ratings typ max Unit 5V power block (PNP Tr 2SB632K used externally) Output voltage Line regulation Load regulation Reset block H reset output voltage L reset output voltage Reset threshold voltage Reset hysteresis voltage Reset output delay time Pre-amplifier block Output offset voltage Input voltage range Output voltage SOURCE Output voltage SYNC VOFF-OP VIN-OP VSOURCE-OP VSINK-OP -7 1.5 1.2 0.5 0 7 VCC-1.5 mV V V V VORH VORL VRT VHYS td IORH = 200A, CD Pin open IORL = 2mA, CD-GND short-circuited *3 *4 Cd = 0.1F 40 4.73 4.98 100 4.3 100 10 200 5.23 200 V mV V mV ms VOUT1 VOLN1 VOLD1 IO = 200mA 5.6V VIN1 12V 5mA IO 200mA 4.75 5.0 20 50 5.25 100 150 V mV mV Note *1 : Voltage across both ends of 8 load inserted between outputs. Input = H or L. The output is in the saturation condition. *2 : The output is ON with MUTE = H and OFF with MUTE = L.MUTE is operable for all channels. With MUTE = L, the output is OFF and the impedance is HI. *3 : 5V supply voltage when the reset output is LOW. *4 : Potential difference of 5V supply voltage between the reset output at LOW and at HI. Hysteresis width. Package Dimensions unit : mm (typ) 3233B 3 HEAT SPREADER 15.2 (6.2) 28 15 Pd max -- Ta Specified board : 76.1x114.3x1.6mm3 glass epoxy When mounted on a board Allowable power dissipation, Pd max - W 2.5 2.34 2 (4.9) 10.5 7.9 0.65 1.5 1.22 1 1 0.8 (0.8) 2.0 0.3 14 0.25 (2.25) 2.45max 0.5 0 --40 --30 --20 0 20 40 60 80 100 2.7 0.1 Ambient temperature, Ta - C SANYO : HSOP28H(375mil) No.8766-2/6 LA6546H Block Diagram and Sample Application Circuit Power supply 1 Thermal shutdown MUTE 2 MUTE (output ON/OFF) 15.4k 11k 3 Focus input - + 15.4k - + 11k 26 Spindle input 25 - + VREF input 27 28 4 5 24 Level shift Level shift 6 Focus input 7 23 M Spindle output 22 FG - + FG Level shift Level shift 8 Tracking output 9 21 M Sled output 20 10 15.4k Tracking input 11 11k - + 15.4k - + 11k 19 18 Sled input 12 5V power supply 13 VCC 14 Reset - + + - 17 16 15 No.8766-3/6 LA6546H Pin Functions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Symbol VCC1 MUTE VIN1 VG1 (NC) VO1+ VO1VO2VO2+ VG2 VIN2 REG-OUT REG-IN RES VOUT VINVIN+ VIN3 VG3 VO3+ VO3VO4VO4+ CD VG4 VIN4 VREF VCC2 Substrate (Lowest potential) Output ON/OFF. Operable for all channels CH1 input pin CH1 input pin (for gain control) Do not use CH1 output pin (+) CH1 output pin (-) CH2 output pin (-) CH2 output pin (+) CH2 input pin (for gain control) CH2 input pin Connect collector of the external transistor (PNP), 5V power output Connect base of the external transistor (PNP) Reset output OP-AMP output pin OP-AMP input pin (-) OP-AMP input pin (+) CH3 input pin CH3 input pin (for gain control) CH3 output pin (+) CH3 output pin (-) CH4 output pin (-) CH4 output pin (+) Reset output delay time setting (with external capacitor) CH4 input pin (for gain control) CH4 input pin Application of the reference voltage Power supply (short-circuit with pin 1) Pin descriptions Note : Set GND (minimum potential) the middle frame and connect both of them. No.8766-4/6 LA6546H Pin Description Pin No. 3 11 18 26 4 10 19 25 Symbol VIN1 VIN2 VIN3 VIN4 VG1 VG2 VG3 VG4 Pin function Input Description Each input pin Equivalent circuit VCC VIN* VG* 11k RF VREF 6, 7 8, 9 20, 21 22, 23 VO1+, VO1VO2+, VO2VO3+, VO3VO4+, VO4Output Each output pin VCC Driver VO CH3 RF 2 MUTE MUTE MUTE (output ON/OFF) VCC MUTE RF Truth Table Input MUTE VO1+ H H L H L * - : High-impedance L H L CH1 VO1L H VO2+ L H CH2 VO2H L VO3+ H L CH4 VO3L H VO4+ L H VO4H L - No.8766-5/6 LA6546H Gain setting For gain setting, refer to the block diagram. When setting the gain with the VG* terminal, the total gain has more or less temperature characteristics due to difference in temperature characteristics between internal and external resistors. Use the VIN* terminal to set the gain. Reset operation 5V REG (V) 5.0 4.3 4.2 Time RESET output Time T td td Specifications of any and all SANYO Semiconductor 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 Semiconductor 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 Semiconductor 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, or otherwise, without the prior written permission 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 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 Semiconductor 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 December, 2006. Specifications and information herein are subject to change without notice. PS No.8766-6/6 |
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