SP4982NAMP

Obsolescence Notice This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink.com/obsolete_products/ THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS DS2276-2.2 SP4982 2·5GHz 48192 PRESCALER The SP4982 prescaler is one a range of very high speed low power prescalers for use in consumer applications such as satellite TV receivers. The device features a CMOS compatible output stage. GND INPUT INPUT VCC 1 2 8 7 NC OUTPUT OUTPUT VCC OUTPUT GND SP4982 3 4 6 5 FEATURES s High Speed Operation 2·5GHz DP8 s Silicon Technology for Low Phase Noise s Very Low Power Dissipation 220mW s Single 5V Supply Operation s High Input Sensitivity s Very Wide Operating Frequency Range s Electrostatic Protection † † ESD precautions must be observed GND INPUT INPUT VCC 1 2 8 7 NC OUTPUT OUTPUT VCC OUTPUT GND SP4982 3 4 6 5 MP8 Fig 1. Pin connections - top view ABSOLUTE MAXIMUM RATINGS Supply voltage, VCC Input voltage Storage temperature Junction temperature 16·5V 2·5V p-p 255°C to 1150°C 1175°C ORDERING INFORMATION SP4982 NA DP SP4982 NA MP VCC 6 4 VREF (2V) 43k 15k OUTPUT VCC 400 400 1k 7 48192 1k OUTPUT INPUT INPUT 2 3 3mA 5 OUTPUT GND GND 1 Fig. 2 SP4982 block diagram SP4982 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions (unless otherwise stated): TAMB = 210°C to 185°C, VCC = 14·75V to 15·25V (Test circuit see Fig. 4) Characteristic Pin Min. 4 Supply current, ICC 2,3 Input sensitivity 500MHz to 1800MHz 2500MHz Input impedance (series equivalent) 2,3 Output voltage high, fIN = 2500MHz Output voltage low, fIN = 2500MHz 7 7 VCC20·75 0·5 Value Typ. Max. 44 65 50 100 50 mA mV mV Ω pF V p-p V p-p VCC = 15V RMS sinewave, measured in 50Ω system, see Figs 3 and 4. See Fig. 5 VCC = 15V, load as Fig. 4 VCC = 15V, load as Fig. 4 Units Conditions 400 VIN (mV RMS INTO 50 Ω ) 150 OPERATING WINDOW 100 50 1000 2000 FREQUENCY (MHz) 3000 Fig. 3 Typical input sensitivity 50 Ω SAMPLING SCOPE 180° HYBRID COUPLER 15V D 1n 1 2 8 7 A C SP4982 3 6 5 OUTPUT 50 Ω SIGNAL GENERATOR B 50 4 0·1µ 1n 8p Fig. 4 Test circuit 2 SP4982 j1 j 0.5 j2 j 0.2 j5 0 0.2 2500 0.5 1 2 5 500 2000 2j 0.2 1500 1000 2j 5 S11 ZO = 50Ω 2j 0.5 2j 1 2j 2 Fig. 5 Typical input impedance (frequencies in MHz) 3 SP4982 HEADQUARTERS OPERATIONS GEC PLESSEY SEMICONDUCTORS Cheney Manor, Swindon, Wiltshire SN2 2QW, United Kingdom. Tel: (0793) 518000 Fax: (0793) 518411 GEC PLESSEY SEMICONDUCTORS P.O. Box 660017 1500 Green Hills Road, Scotts Valley, California 95067-0017, United States of America. Tel: (408) 438 2900 Fax: (408) 438 5576 CUSTOMER SERVICE CENTRES • FRANCE & BENELUX Les Ulis Cedex Tel: (1) 64 46 23 45 Tx: 602858F Fax : (1) 64 46 06 07 • GERMANY Munich Tel: (089) 3609 06-0 Tx: 523980 Fax : (089) 3609 06-55 • ITALY Milan Tel: (02) 66040867 Fax: (02) 66040993 • JAPAN Tokyo Tel: (03) 3296-0281 Fax: (03) 3296-0228 • NORTH AMERICA Integrated Circuits and Microwave Products Scotts Valley, USA Tel (408) 438 2900 Fax: (408) 438 7023. Hybrid Products, Farmingdale, USA Tel (516) 293 8686 Fax: (516) 293 0061. • SOUTH EAST ASIA Singapore Tel: (65) 3827708 Fax: (65) 3828872 • SWEDEN Stockholm, Tel: 46 8 702 97 70 Fax: 46 8 640 47 36 • UNITED KINGDOM & SCANDINAVIA Swindon Tel: (0793) 518510 Tx: 444410 Fax : (0793) 518582 These are supported by Agents and Distributors in major countries world-wide. © GEC Plessey Semiconductors 1996 Publication No. DS2276 Issue No. 2.2 May 1996 4 This publication is issued to provide information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. The Company reserves the right to alter without prior knowledge the specification, design or price of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. These products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to the Company's conditions of sale, which are available on request. For more information about all Zarlink products visit our Web Site at w ww.zarlink.com Information relating to products and services furnished herein by Zarlink Semiconductor Inc. or its subsidiaries (collectively “Zarlink”) is believed to be reliable. However, Zarlink assumes no liability for errors that may appear in this publication, or for liability otherwise arising from the application or use of any such information, product or service or for any infringement of patents or other intellectual property rights owned by third parties which may result from such application or use. Neither the supply of such information or purchase of product or service conveys any license, either express or implied, under patents or other intellectual property rights owned by Zarlink or licensed from third parties by Zarlink, whatsoever. Purchasers of products are also hereby notified that the use of product in certain ways or in combination with Zarlink, or non-Zarlink furnished goods or services may infringe patents or other intellectual property rights owned by Zarlink. This publication is issued to provide information only and (unless agreed by Zarlink in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this publication are subject to change by Zarlink without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user’s responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. Manufacturing does not necessarily include testing of all functions or parameters. These products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to Zarlink’s conditions of sale which are available on request. Purchase of Zarlink’s I2C components conveys a licence under the Philips I2C Patent rights to use these components in and I2C System, provided that the system conforms to the I2C Standard Specification as defined by Philips. Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc. Copyright Zarlink Semiconductor Inc. All Rights Reserved. TECHNICAL DOCUMENTATION - NOT FOR RESALE