Ordering number : ENA0305 Monolithic Linear IC LA2335M For Audio Equipment Control Transceiver IC Overview The LA2335M is a transceiver for use in audio equipment control. It was developed as a bus interface driver/receiver IC for automotive audio equipment. Features • Supports both 3.3V and 5.0V I/O controller interface levels. • Two-input logical OR circuit • High bus input voltage handling capability (maximum rating : 18V) • Built-in protection circuits Functions • Transmitter (current output driver : 3.8mA (typical)) • Receiver (receiver amplifier, waveshaping hysteresis comparator) • Standby function Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage (VCC) VCC max Pin 10 7.0 V Maximum supply voltage (VDD) VDD max Pin 4 7.0 V VDD+0.3 V Logic input voltage Vlgc max Bus input voltage Vbus max Allowable power dissipation Pd max Pins 1,2 and 5 18.0 V Pins 8 and 9 100 mW Operating temperature Topr -40 to +85 °C Storage temperature Tstg -50 to +125 °C 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. 92706 / 40706 MS OT 20060329-S00007 No.A0305-1/4 LA2335M Recommended Operating Conditions at Ta = 25°C Ratings Parameter Operating supply voltage Symbol Conditions min typ Unit max (VCC) VCC op Pin 10 4.75 5.0 5.25 Operating supply voltage 1 (VDD) VDD op1 Pin4 : VDD = 3.3V 3.0 3.3 3.6 V V Operating supply voltage 2 (VDD) VDD op2 Pin4 : VDD = 5.0V 4.75 5.0 5.25 V Electrical Characteristics at Ta = 25°C, VCC = 5.0V, VDD = 3.3V or 5.0V Ratings Parameter Symbol VDD Conditions min typ Unit max VCC current drain With a high-level input ICC1 3.3V TXD1 : H 4.5 6.5 9.4 mA With a low-level input ICC2 / 5.0V TXD1 : L 0.9 1.4 1.8 mA 10 µA Standby mode ICCSTB STBN : L VDD current drain With a high-level input IDDH1 With a low-level input IDDL1 With a high-level input IDDH2 With a low-level input IDDL2 3.3V 5.0V TXD1 : H 90 150 200 µA TXD1 : L 200 400 600 µA TXD1 : H 100 180 230 µA TXD1 : L 200 400 600 µA Driver differential output : 120 mV or higher 2.4 3.3 Transmitter High-level input voltage VIHDRV1 Low-level input voltage VILDRV1 High-level input voltage VIHDRV2 Low-level input voltage VILDRV2 VOHD+ VOHDVOP+ 3.3V Driver differential output : 20 mV or lower 5.0V Driver differential output : 120 mV or higher 3.5 V 0.5 5.0 V V 0 1.5 V 3.3V TXD1 : H, TXD2 : L 1.5 3.5 V / 5.0V TXD1 : H, TXD2 : L 1.5 3.5 V TXD1 : L, TXD2 : L 2.30 2.45 2.70 V VOP- TXD1 : L, TXD2 : L 2.30 2.45 2.70 V High-level output current IHDOUT TXD1 : H, TXD2 : L 2.7 3.8 5.0 mA Low-level output leak current ILDOUT TXD1 : L, TXD2 : L 1 µA Bus(+) output voltage Bus(-) output voltage Bus(+) reference operating Driver differential output : 20 mV or lower 0 voltage Bus(-) reference operating voltage Receiver High-level differential input voltage Low-level differential input voltage High-level output voltage VIHR 3.3V [BUS+] - [BUS-] 65 80 120 mV VILR / 5.0V [BUS+] - [BUS-] 20 40 60 mV VOHR1 3.3V Load : 47kΩ // 18pF 2.4 3.3 Low-level output voltage VOLR1 High-level output voltage VOHR2 Low-level output voltage VOLR2 Input hysteresis voltage VIHYS 5.0V 3.3V Load : 47kΩ // 18pF 0 Load : 47kΩ // 18pF 4.0 Load : 47kΩ // 18pF 0 VIHR - VILR 20 V 0.5 5.0 V V 1.0 V 40 60 mV 500 800 ns 500 800 ns / 5.0V Total delay time (See note.) L→H H→L TTDR 3.3V Compared at the 90% values of the TXD and / 5.0V RXD amplitudes TTDF Compared at the 10% values of the TXD and RXD amplitudes Standby On VILSTB1 Off VIHSTB1 On VILSTB2 Off VIHSTB2 3.3V 0 2.4 5.0V 0.5 3.3 0 3.5 1.0 5.0 V V V V Note : The characteristics when a load of RL = 47kΩ and a capacitance of 18pF is connected to pin 3. No.A0305-2/4 LA2335M Package Dimensions unit : mm 3086B 5 6.4 1 0.15 0.1 (1.5) 1.7max 4.4 6 0.63 5.0 10 0.35 1.0 (0.5) SANYO : MFP10S(225mil) Block Diagram * Bus line external termination resistor : 62Ω. Pin Description Pin No. Pin Name Pin Description 1 TXD1 2 TXD2 Logical OR input for transmitted signal from the controller 3 RXD Received signal output to the controller 4 VDD 3.3V or 5.0V power supply 5 STBN High : standby mode off 6 GND Ground Transmitted signal input from the controller Low : standby mode on 7 NC 8 BUS- Bus (-) transmitted signal output/received signal input Unused pin (This pin must be left open.) 9 BUS+ Bus (+) transmitted signal output/received signal input 10 VCC 5.0V power supply No.A0305-3/4 LA2335M 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 April, 2006. Specifications and information herein are subject to change without notice. PS No.A0305-4/4