LA2333T

Ordering number : ENA0230 Monolithic Linear IC LA2333T Overview Automotive LAN Transceiver IC In addition to 5V power supply support, the LA2333T contributes to miniaturization and lower costs in end products such as car navigation system by providing seven comparators integrated on the same chip. Features • Transceiver 1. Communication speed: 20kbps. 2. 3.3V I/O control interface. 3. High bus input voltage handling capability (Maximum rating: 18V). 4. Built-in protection circuits. 5. Dual 5.0/3.3V power supply systems. • Comparators 1. Seven built-in comparator circuits. 2. High input voltage handling capability (Maximum rating: 18V). 3. Reference input shared by all 7 channels. 4. Open-collector outputs. Functions • Transceiver a. Transmitter (Current output type driver (3.8mA typical)). b. Receiver (Reception amplifier, waveshaper hysteresis comparator). c. Standby function. • Comparators a. Noninverting comparator function. b. External reference input. 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 / 12506 MS OT B8-8605 No.A0230-1/5 LA2333T Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage (pin 24, VCC) Maximum supply voltage (pin 4, IVDD) Logic input voltage (pins 1, 2, and 5) Bus input voltage (pins 22 and 23) Comparator input voltage (pins 13 to 20) Comparator output voltage handling (pins 6 to 12) Comparator output current (pins 6 to 12) Allowable power dissipation Operating temperature Storage temperature Pd max Topr Tstg 100 -40 to +85 -50 to +125 mW °C °C Icmpo max VCC = 5V 5.0 mA/ch Vcmpo max VCC V Vcmpi max 18 V Vbus max 18 V Vlgc max IVDD+0.3 V VDD max 7.0 V Symbol VCC max Conditions Ratings 7.0 Unit V Recommended Operating Supply Voltages at Ta = 25°C Parameter Operating supply voltage (pin 24, VCC) Operating supply voltage (pin 4, IVDD) VDD op 3.0 3.3 3.6 V Symbol VCC op Conditions min 4.75 Ratings typ 5.0 max 5.25 V Unit Operating Characteristics at Ta = 25°C, VCC = 5V, IVDD = 3.3V Parameter VCC Supply Current When the bus is at the high level When the bus is at the low level In bus standby mode Quiescent current IVDD Supply Current When at the high level When at the low level Transceiver Block: Transmitter High-level input voltage Low-level input voltage Bus (+) output voltage Bus (-) output voltage BUS (+) reference operating voltage BUS (-) reference operating voltage High-level output current Low-level output leakage current Transceiver Block: Receiver High-level differential input Low-level differential input High-level output voltage Low-level output voltage Input hysteresis VIHR VILR VOHR VOLR VIHYS [IBUS+]-[IBUS-] [IBUS+]-[IBUS-] Load: 47kΩ, 18pF Load: 47kΩ, 18pF VIHR-VILR 65 20 2.4 0 20 40 80 40 3.3 0.5 60 120 60 mV mV V V mV VIHD VILD VOHD+ VOHDVOP+ VOPVHDOUT VLDOUT Driver differential output: 120 mV or higher Driver differential output: 20 mV or lower ITXD1 : H, ITXD2 : L ITXD1 : H, ITXD2 : L ITXD1 : L, ITXD2 : L ITXD1 : L, ITXD2 : L ITXD1 : H, ITXD2 : L ITXD1 : H, ITXD2 : L 2.4 0 1.5 1.5 2.30 2.30 2.7 2.45 2.45 3.8 3.3 0.5 3.5 3.5 2.70 2.70 5.0 1 V V V V V V mA µA IDDH IDDL ITXD1 : H, CMPI1 to 7 : L ITXD1 : L, CMPI1 to 7 : L 100 200 150 400 200 800 µA µA ICC1 ICC3 ICCSTB ICCNSG ITXD1 : H, CMPI1 to 7 : L ITXD1 : L, CMPI1 to 7 : L ISTBN : L, CMPI1 to 7 : L With the signal input pins open (no connections) 6.0 2.5 1.6 0.6 10.0 4.0 2.6 1.0 13.0 5.5 4.0 1.6 mA mA mA mA Symbol Conditions min Ratings typ max Unit Continued on next page. No.A0230-2/5 LA2333T Continued from preceding page. Parameter Transceiver Block: Total Delay Time L →H H→L Transceiver Block : Standby On Off Comparator Block : Inputs High-level input voltage Low-level input voltage VREF input voltage Comparator Block : Outputs High-level output leakage current Low-level output saturation voltage Comparator Block Turn on time Turn off time TSON TSOFF VOUT = 3.3V, RL = 2kΩ VOUT = 3.3V, RL = 2kΩ 400 100 ns ns ISOH VSOL VOUT = 3.3V, RL = 0Ω ISINK = 500µA, RL = 0Ω µA/ch V VSIH VSIL VSVREF VREF = 1/2 VCC VREF = 1/2 VCC 1/2 VCC VREF+0.1 VCC VREF-0.1 V V V VILSTB VIHSTB 0 2.4 3.3 0.5 V V TTD1 TTD2 Compared at the points where ITXD and IRXD are at the 90% value Compared at the points where ITXD and IRXD are at the 10% value 500 500 800 800 ns ns Symbol Conditions min Ratings typ max Unit Package Dimensions unit : mm 3260A No.A0230-3/5 LA2333T System Block Diagram PCA00634 Item Transmitter 1 pin, 2 pin Pin Two-input OR logic Inter-pin potentials High : [IBUS+]-[IBUS-] ≥ 120mV Low : [IBUS+]-[IBUS-] ≥ 20mV Description 22 pin, 23 pin The transmitter must be used with an external terminating resistor (62Ω) connected between pins 22 and 23. Protection circuit operating condition [IBUS+]-[IBUS-] ≥ 8.5V (pin 22 = GND) Input voltage handling capacity: 18V. 5 pin Standby High : Standby mode off Low : Standby mode on Comparators 20 pin 13 to 20 pin 6 to 12 pin Common reference input for CMPI1 to CMPI7 Input voltage handling capacity: 18V We recommend 6.8kΩ as the value for the open collector pull-up resistors (Pull-up power supply 3.3V/ISINK = 500µA at RL = 6.8kΩ) No.A0230-4/5 LA2333T Pin Functions Item Bus pins (1) Pin No. 1 2 3 4 5 Comparator pins 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Bus pins (2) 21 22 23 24 Pin ITXD1 ITXD2 IRXD IVDD ISTBN CMPO1 CMPO2 CMPO3 CMPO4 CMPO5 CMPO6 CMPO7 CMPI7 CMPI6 CMPI5 CMPI4 CMPI3 CMPI2 CMPI1 CVREF GND IBUSIBUS+ VCC I/O I I O P I O O O O O O O I I I I I I I I P I/O I/O P Description Transmission signal input from controller Transmission signal OR input from controller Reception signal output to controller 3.3V output system power supply High : Standby off, Low : Standby on Channel 1 noninverting output (open collector) Channel 2 noninverting output (open collector) Channel 3 noninverting output (open collector) Channel 4 noninverting output (open collector) Channel 5 noninverting output (open collector) Channel 6 noninverting output (open collector) Channel 7 noninverting output (open collector) Channel 7 input (+) Channel 6 input (+) Channel 5 input (+) Channel 4 input (+) Channel 3 input (+) Channel 2 input (+) Channel 1 input (+) Common (to channels 1 to 7) reference input (-) Common ground for the bus and comparator blocks Bus (-) transmission signal output/reception signal input Bus (+) transmission signal output/reception signal input Common 5 V power supply for the bus and comparator blocks 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 January, 2006. Specifications and information herein are subject to change without notice. PS No.A0230-5/5