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HVC374B
Variable Capacitance Diode for VCO
ADE-208-621(Z) Rev 0 Jun. 1998 Features
* High capacitance ratio and good C-V linearity. * To be usable at low voltage. * Ultra small F lat P ackage (UFP) is suitable for surface mount design.
Ordering Information
Type No. HVC374B Laser Mark B6 Package Code UFP
Outline
Cathode mark Mark 1
B6
2 1. Cathode 2. Anode
HVC374B
Absolute Maximum Ratings (Ta = 25C)
Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 10 125 -55 to +125 Unit V C C
Electrical Characteristics (Ta = 25C)
Item Reverse current Symbol I R1 I R2 Capacitance C1 C2 Capacitance ratio Series resistance n rs Min -- -- 21.5 12.5 1.68 -- Typ -- -- -- -- -- -- Max 10 100 24.0 14.5 1.75 1.2 -- pF Unit nA Test Condition VR = 10V VR = 10V, Ta = 60 C VR = 1V, f = 1 MHz VR = 2V, f = 1 MHz C1/ C2 VR = 1V, f = 470 MHz
2
HVC374B
Main Characteristic
-10
10
25 f=1MHz
Reverse current I R (A)
10
-11
20
(pF)
10
-12
Capacitance C
15
10
10-13
5
10
-14
0
5
10
15
0
1.0
10 Reverse voltage V R (V)
40
Reverse voltage V R (V) Fig.1 Reverse current Vs. Reverse voltage
Fig.2 Capacitance Vs. Reverse voltage
1.2 f=470MHz 1.0
Series resistance r s () LF =(LogC)/(LogV ) R
0
0.8
-0.5
0.6
0.4
-1.0
0.2 0 10-1 -1.5 1.0
2
1.0 Reverse voltage V R (V)
10
10 Reverse voltage V R (V)
10
Fig.3 Series resistance Vs. Reverse voltage
Fig.4 Linearity factor Vs. Reverse voltage
3
HVC374B
Package Dimensions
Unit : mm
Cathode Mark 1
B6
1.2 0.10 1.6 0.10
2 0.3 0.05 0.8 0.10
1. Cathode 2. Anode 0.6 0.10 Hitachi Code JEDEC Code EIAJ Code Weight(g)
UFP
-- SC-79 0.0016
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HVC374B
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi's or any third party's patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party's rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi's sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi's sales office for any questions regarding this document or Hitachi semiconductor products.
Hitachi, Ltd.
Semiconductor & IC Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109 For further information write to: Hitachi Semiconductor (America) Inc. 2000 Sierra Point Parkway Brisbane, CA. 94005-1897 USA Tel: 800-285-1601 Fax:303-297-0447 Hitachi Europe GmbH Continental Europe Dornacher Strae 3 D-85622 Feldkirchen Munchen Tel: 089-9 91 80-0 Fax: 089-9 29 30-00 Hitachi Europe Ltd. Electronic Components Div. Northern Europe Headquarters Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA United Kingdom Tel: 01628-585000 Fax: 01628-585160 Hitachi Asia Pte. Ltd. 16 Collyer Quay #20-00 Hitachi Tower Singapore 049318 Tel: 535-2100 Fax: 535-1533
Hitachi Asia (Hong Kong) Ltd. Unit 706, North Tower, World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon Hong Kong Tel: 27359218 Fax: 27306071 Copyright (c) Hitachi, Ltd., 1998. All rights reserved. Printed in Japan.
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