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PRODUCT INFORMATION
Vol. 68
Quasi-Microwave Band PLL Synthesizer ICs Developed Supports both I2C and 3-wire buses
LV2151V, LV2153V
Overview
The tuner block in most quasi-microwave band reception equipment (such as broadcast satellite receivers, CATV sets, DAB, GPS, WLL, PHS, and portable telephones) is constructed using pack devices. There are a wide range of these tuner pack devices that differ according to their intended application, and they are controlled by differing data formats that depend on the system specifications or the requirements of the end user. The two control techniques most widely used are the I2C bus and the 3-wire bus. Previously, users were forced to select a PLL frequency synthesizer according to the bus to be used. For example, in TV, broadcast satellite, CATV and similar systems, even if the ICs themselves had the same characteristics and specifications, ICs that supported different data formats were required, and users were forced to design for tuner packs that supported the corresponding ICs. Sanyo has now developed two quasi-microwave band general-purpose PLL synthesizer ICs, the LV2151V (2.0 GHz) and the LV2153V (2.7 GHz). These ICs support two bus standards: the I2C bus and the 3-wire bus. The bus can be switched simply by switching pins. These ICs allows systems with two different data formats to be handled with a single IC. These ICs were also designed for low power, and the LV2153V achieves the industry's top level in this regard.
Features
* Two busses, the I2C and a 3-wire bus are included, thus allowing a single IC to handle systems with two differing data formats. * Support for quasi-microwave frequencies LV2151V: 2.0 GHz LV2153V: 2.7 GHz * Three built-in band switching output ports
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
TOKYO OFFICE: Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 1
PRODUCT INFORMATION
* Low current drain LV2151V: 7 mA (VCC = 3.0 V) LV2153V: 9 mA (VCC = 3.0 V)
Specifications
(Except for their operating frequency, the LV2151V and LV2153V have identical specifications) * Functions -- I2C bus (Two addresses. Only write mode supported) that can be switched to function as a 3-wire bus -- Three built-in band switching output ports -- 17-bit programmable counter -- 12-bit reference counter -- Unlock detection -- Low power mode * Operating supply voltage range VCC OP: 2.7 to 3.5 V * Miniature package: SSOP20
Sample Availability
Samples of the LV2151V and LV2153V are available in September 1998; production quantities of the LV2151V will be anticipated in the end of 1998 and the LV2153V will be anticipated in 1999.
AUGUST 27, 1998
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
2
PRODUCT INFORMATION
s 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. s 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. s 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. s 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. s In the event that any and all SANYO products described or contained herein fall under strategic products (including services) controlled under the Foreign Exchange and Foreign Trade Control Law of Japan, such products must not be exported without obtaining export license from the Ministry of International Trade and Industry in accordance with the above law. s 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. s 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. s 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.
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
91598/68
3

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