DDC2354-250 [SKYWORKS]
Mixer Diode, Zero Barrier, K Band, 15000ohm Z(V) Max, Silicon, ROHS COMPLIANT, PLASTIC, CASE 250, 2 PIN;
| 型号： | DDC2354-250 |
| 厂家： | 
SKYWORKS SOLUTIONS INC. |
| 描述： | Mixer Diode, Zero Barrier, K Band, 15000ohm Z(V) Max, Silicon, ROHS COMPLIANT, PLASTIC, CASE 250, 2 PIN 光电二极管 |
| 文件： | 总10页 (文件大小：604K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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)
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.
Description
Skyworks packaged, beam-lead and zero-bias Schottky barrier
detector diodes are designed for applications through the K band.
Voltage output is another useful parameter since it can be used in
The choice of barrier metal and process techniques results in a
the design of threshold detectors and power monitor circuits. Since
group of diodes with a wide selection of video impedance ranges.
voltage output is a function of the diode’s video impedance, a
Packaged diodes are suitable for use in waveguide, coaxial, and
different minimum value is specified for each video impedance
stripline applications. Beam-lead and chip diodes can also be
mounted in a variety of packages.
range.
The absolute maximum ratings for the CDC and DDC series of
The CDC and DDC series of Schottky diodes are especially well
Schottky diodes are provided in Table 1. Electrical and physical
suited for use in Microwave Integrated Circuit (MIC) applications
specifications are provided in Table 2. Package types for the
where the chip and wire approach is more desirable. Mounted
beam-lead diodes can be easily used in MIC, stripline, or other
such circuitry.
epoxy and hermetic diodes are listed in Table 3. SPICE model
parameters for the CDC7630/7631 series are defined in Table 4.
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.
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
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.
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.
Package dimensions are provided in Figures 10 through 15.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Table 1. CDC7630/7631 and DDC2353/2354 Diode Series Absolute Maximum Ratings
Parameter
Symbol
Minimum
Maximum
2
Units
V
Reverse voltage
VR
IF
Forward current
100
mA
mW
°C
RF input power @ TA = 25 °C
Storage temperature
Operating temperature
PD
TSTG
TA
75
–60
–55
+200
+150
°C
Note: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value. Exceeding any of the limits listed here may result in permanent damage to the device.
CAUTION: Although this device is designed to be as robust as possible, Electrostatic Discharge (ESD) can damage this device. This device
must be protected at all times from 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)
(TA = +25 °C, Characteristic Impedance [ZO] = 50 Ω, Unless Otherwise Noted)
Min. Detected Output
Video Impedance, ZV
Max. TSS
(dBm)
Outline
Drawing
Part Number
Voltage, EO
(mV)
(Ω)
DDC2353-000
8
15
8
2000 to 6500
5000 to 15000
2000 to 6500
5000 to 15000
–52
–56
–52
–56
491-006
491-006
571-006
571-006
DDC2354-000
CDC7630-000
CDC7631-000
15
Note 1: Performance is guaranteed only under the conditions listed in this Table.
Table 3. Epoxy and Hermetic Packaged Zero Bias Schottky Detector Diodes
Part Numbers/Outline Drawings
Epoxy Stripline
250
Hermetic Pill
Hermetic Pill
203
Hermetic
220
207
DDC2353-250
DDC2354-250
CDC7630-207
CDC7631-207
CDC7630-203
CDC7631-203
DDC2353-220
DDC2354-220
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
October 15, 2012 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200843G
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Typical Performance Characteristics
Figure 1. Zero Bias Schottky Detector Diodes
Typical Forward DC Characteristics
Figure 2. Typical Zero Bias X-Band Detector Diodes
TSS vs Video Impedance
Figure 3. Typical Zero Bias X-Band Detector Diodes
Output Voltage vs Input Power as a Function of Video Impedance
Figure 4. Output Voltage vs Temperature
Over Load Resistance @ 0 dBm
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Figure 5. Output Voltage vs Input Power Over Temperature
Figure 6. Output Voltage vs Temperature Over Load Resistance
@ –10 dBm
(Load Resistance = 1 kΩ)
Figure 7. Output Voltage vs Input Power Over Temperature
Figure 8. Output Voltage vs Temperature Over Load Resistance
@ –30 dBm
(Load Resistance = 100 kΩ)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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4
DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Table 4. SPICE Model Parameters
Part Number
Parameter
Units
CDC7630-000
CDC7631-000
IS
RS
N
A
Ω
–
5E-06
20
3.8E-06
51
1.05
1E-11
0.14
0.4
1.05
1E-11
0.08
0.4
TT
CJO
M
sec
pF
–
EG
XTI
FC
BV
IBV
VJ
eV
–
0.69
2
0.69
2
–
0.5
0.5
V
2
2
A
1E-04
0.34
1E-04
0.34
V
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Figure 9. Typical Video Detector Circuits
Figure 10. -203 Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Figure 11. -207 Package Dimensions
Figure 12. -220 Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Figure 13. -250 Package Dimensions
Figure 14. 491-006 Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
Figure 15. 571-006 Package Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
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DATA SHEET • CDC AND DDC SERIES: ZERO BIAS SCHOTTKY DIODES
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