cdc7630 Skyworks Solutions, Inc., cdc7630 Datasheet

cdc7630

Manufacturer Part Number

cdc7630

Description

Cdc7630/7631 And Ddc2353/2354 Series Zero Bias Silicon Schottky Barrier Detector Diodes

Manufacturer

Skyworks Solutions, Inc.

Datasheet

1.CDC7630.pdf (9 pages)

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DATA SHEET

CDC7630/7631 and DDC2353/2354 Series: Zero Bias Silicon

Schottky Barrier Detector Diodes

Applications

 Microwave Integrated Circuits

 Detectors

Features

 High sensitivity

 Low video impedance

 Packages rated MSL1, 260 C per JEDEC J-STD-020)

Description

Skyworks packaged, beam-lead and zero-bias Schottky barrier

detector diodes are designed for applications through the K band.

The choice of barrier metal and process techniques results in a

group of diodes with a wide selection of video impedance ranges.

Packaged diodes are suitable for use in waveguide, coaxial, and

stripline applications. Beam-lead and chip diodes can also be

mounted in a variety of packages.

The CDC and DDC series of Schottky diodes are especially well

suited for use in Microwave Integrated Circuit (MIC) applications

where the chip and wire approach is more desirable. Mounted

beam-lead diodes can be easily used in MIC, stripline, or other

such circuitry.

Applications

The CDC and DDC series of zero-bias Schottky diodes are

designed for detector applications through 26 GHz and are useful

up to 40 GHz. They require no bias and operate efficiently even at

tangential signal power levels. Since they require no bias, noise is at

a minimum. A low video impedance means a short R-C time

constant and, therefore, wide video bandwidth and excellent pulse

fidelity.

As power monitors, these diodes may also be used to directly drive

metering circuits even at low power input levels. These diodes are

categorized by Tangential Signal Sensitivity (TSS), voltage output,

and video impedance for detector applications.

Skyworks offers lead (Pb)-free, RoHS (Restriction of

Hazardous Substances) compliant packaging.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200843D • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2010

TSS is a parameter that best describes the use of a diode as a video

detector. It is defined as the amount of signal power, below a one

milliwatt reference level, required to produce an output pulse with

an amplitude sufficient to raise noise fluctuations by an amount

equal to the average noise level. TSS is approximately 4 dB above

the minimum detectable signal.

Voltage output is another useful parameter since it can be used in

the design of threshold detectors and power monitor circuits. Since

voltage output is a function of the diode’s video impedance, a

different minimum value is specified for each video impedance

range.

The absolute maximum ratings for the CDC and DDC series of

Schottky diodes are provided in Table 1. Electrical and physical

specifications are provided in Table 2. Package types for the

epoxy and hermetic diodes are listed in Table 3.

Typical performance characteristics are shown in Figures 1

through 8. Typical video detector circuits are shown in Figure 9.

The multi-octave, high-sensitivity circuit would be used in Electronic

Countermeasures (ECM) and similar applications. An RF matching

structure that presents maximum power at the diode junction must

be incorporated to ensure maximum sensitivity.

The broadband low-sensitivity circuit would be used where a low

input VSWR is required. In this circuit, low VSWR is accomplished by

the use of the 50 Ω terminating resistor. Sensitivity, however, is

degraded by typically 10 dB from the multi-octave, high-sensitivity

circuit. The most common use for this circuit is in a broadband, flat

detector used primarily in the laboratory.

Package dimensions are provided in Figures 10 through 15.

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cdc7630 Summary of contents

Page 1

... DATA SHEET CDC7630/7631 and DDC2353/2354 Series: Zero Bias Silicon Schottky Barrier Detector Diodes Applications  Microwave Integrated Circuits  Detectors Features  High sensitivity  Low video impedance  Packages rated MSL1, 260 C per JEDEC J-STD-020) Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances) compliant packaging ...

Page 2

... ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions should be used at all times. The CDC7630/7631 and DDC2353/2354 series of Schottky diodes are Class 0 Human Body Model (HBM) ESD devices. Table 2. CDC7630/7631 and DDC2353/2354 Diode Series Electrical Specifications (Note 1) = +25  ...

Page 3

... Output Voltage vs Input Power as a Function of Video Impedance Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200843D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • July 26, 2010 DATA SHEET • ...

Page 4

... Figure 7. Output Voltage vs Input Power Over Temperature (Load Resistance = 100 kΩ) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 July 26, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200843D ...

Page 5

... Dimensions are in inches (millimeters shown in parentheses) Figure 10. -203 Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200843D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • July 26, 2010 DATA SHEET • ...

Page 6

... Dimensions are in inches (millimeters shown in parentheses) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 6 July 26, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200843D ...

Page 7

... Dimensions are in inches (millimeters shown in parentheses) Figure 14. 491-006 Package Dimensions Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 200843D • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • July 26, 2010 DATA SHEET • ...

Page 8

... DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES Dimensions are in inches (millimeters shown in parentheses) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 8 July 26, 2010 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200843D Cathode/Bonding Pad Diameter 0.0035– ...

Page 9

... Copyright © 2002-2010 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein ...

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