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DATA SHEET
SMV1142-SMV1148: Hyperabrupt Junction Tuning Varactors
Features
Frequency linear design Low series resistance Available in the SOD-323 and SC-79 packages Designed for high-volume commercial applications SPICE models are available Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 C per JEDEC J-STD-020

Absolute Maximum Ratings
Characteristic Reverse voltage (VR) Value 12 V 20 mA 250 mW -55 C to +150 C -55 C to +125 C Class O
Description
The SMV1142-SMV1148 series of silicon hyperabrupt junction varactor diodes is specifically designed with an increasing gamma vs. voltage characteristic. This characteristic will result in improved VCO frequency-voltage linearity, in comparison to a conventional hyperabrupt junction varactor. This family of varactors is characterized for capacitance and resistance over temperature. SPICE models are provided.
Forward current (IF) Power dissipation (PD) Storage temperature (TST) Operating temperature (TOP) ESD human body model
Performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the Absolute Maximum specifications. Exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty.
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging.
CAUTION: Although this device is designed to be as robust as possible, ESD (Electrostatic Discharge) 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 must be employed at all times.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200056 Rev. E * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 23, 2007
1
DATA SHEET * SMV1142-SMV1148
Single SC-79
Single SOD-323 SMV1142-011 Marking: BU SMV1142-011LF Marking: GU SMV1143-011 Marking: BV SMV1143-011LF Marking: GV SMV1144-011 Marking: BW SMV1144-011LF Marking: GW
SMV1145-079 Marking: Cathode SMV1145-079LF Marking: Cathode SMV1147-079 Marking: Cathode SMV1147-079LF Marking: Cathode
SMV1145-011 Marking: BA SMV1145-011LF Marking: GA SMV1147-011 Marking: BY SMV1147-011LF Marking: GY SMV1148-011 Marking: BZ SMV1148-011LF Marking: GZ
LS = 0.7 nH
LS = 1.5 nH
LF denotes lead (Pb)-free, RoHS-compliant packaging option as an alternative to our standard tin/lead (Sn/Pb) packaging.
Electrical Specifications at 25 C
Part Number Min. SMV1142 SMV1143 SMV1144 SMV1145 SMV1147 SMV1148 8.2 11.60 14.65 25.5 54.6 62 CT @ 1 V (pF) Max. 10 14.20 17.95 31.2 66.7 76 CT @3V (pF) Typ. 5.8 8.2 10.4 18.1 38.6 44.1 CT @6V (pF) Typ. 3.5 4.9 6.1 10.6 22.6 25.2 Min. 1.5 1.5 1.5 1.5 1.5 1.5 CT @ 1 V CT @ 3 V (Ratio) Max. 1.65 1.65 1.65 1.65 1.65 1.65 CT @ 1 V CT @ 6 V (Ratio) Min. 2.43 2.45 2.46 2.5 2.5 2.5 Max. 2.93 2.95 2.96 3 3 3 RS @ 3 V 500 MHz () Max. 0.7 0.65 0.65 0.6 0.55 0.5 Q @3V 50 MHz Typ. 800 600 500 300 150 150
Reverse Voltage VR (IR = 10 A): 12 V minimum. Reverse Current IR (VR = 9.6 V): 20 nA maximum.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
February 23, 2007 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200056 Rev. E
DATA SHEET * SMV1142-SMV1148
Typical Performance Data
100.0 SMV1148 SMV1147 0.8 SMV1142 SMV1143
Capacitance (pF)
RS ()
SMV1144 0.6 SMV1145
10.0 SMV1145 SMV1144 SMV1143 1.0 0 2.0 4.0 6.0 8.0 SMV1142
SMV1147 SMV1148 0.4 0 1 2 3 4 5
Reverse Voltage (V)
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
Series Resistance vs. Reverse Voltage @ 500 MHz
12 10 8 6 4 2 0 -2 -4 -6 -8
5 4
Percentage Change (%)
3 2 1 0 -1 -2 VR = 4 V -3 -40 -20 0 20 40 60 80 VR = 1 V
Percentage Change (%)
-40
-20
0
20
40
60
80
Temperature (C)
Temperature (C)
Relative Capacitance Change vs. Temperature
Relative Series Resistance Change vs. Temperature
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200056 Rev. E * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 23, 2007
3
DATA SHEET * SMV1142-SMV1148
Typical Capacitance Values
VR (V) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 SMV1142 CT (pF) 13.38 10.7 9.1 7.98 7.12 6.42 5.83 5.32 4.86 4.45 4.09 3.75 3.46 3.21 3 2.84 2.72 2.63 2.56 2.5 2.45 2.41 2.36 2.35 2.32 SMV1143 CT (pF) 18.99 15.18 12.90 11.30 10.08 9.08 8.24 7.51 6.87 6.29 5.76 5.29 4.87 4.51 4.22 3.99 3.82 3.69 3.58 3.50 3.43 3.37 3.31 3.28 3.25 SMV1144 CT (pF) 24.01 19.18 16.3 14.28 12.73 11.46 10.4 9.48 8.66 7.93 7.26 6.66 6.13 5.68 5.31 5.02 4.8 4.63 4.5 4.4 4.31 4.24 4.15 4.15 4.08 SMV1145 CT (pF) 41.81 33.38 28.35 24.82 22.11 19.91 18.06 16.45 15.02 13.73 12.57 11.53 10.6 9.81 9.17 8.66 8.29 7.99 7.76 7.58 7.43 7.3 7.15 7.1 7.02 SMV1147 CT (pF) 89.52 71.44 60.65 53.07 47.27 42.55 38.58 35.12 32.06 29.31 26.81 24.57 22.58 20.89 19.52 18.43 17.63 16.98 16.5 16.1 15.78 15.5 15.18 15.08 14.9 SMV1148 CT (pF) 104.71 83.27 70.48 61.48 54.56 48.92 44.13 39.97 36.29 32.99 30.03 27.43 25.22 23.43 22.06 21.01 20.22 19.61 19.12 18.72 18.38 18.11 17.87 17.65 17.43
SPICE Model
PORT P_anode port = 1 IND LS L = LS DIODEM Diode_Model IS = 1.00e-14 RS = 0 N=1 TT = 0 CJO = CJO M=M VJ = VJ EG = 1.11 XTI = 3 KF =0 AF =1 FC = 0.5 BV = 0 IBV = 1e-3 ISR = 0 NR = 2 IKF = 0 NBV = 1 IBVL = 0 NBVL = 1 TBV1 = 0 TNOM = 27 FFE = 1
Part Number SMV1142 SMV1143 SMV1144 SMV1145 SMV1147 SMV1148
CJO (pF) 13.38 18.99 24.01 41.8 89.52 104.7
VJ (V) 2.2 2.20 2.2 2.5 2.5 2.25
M 1 1.0 1 1.1 1.1 1.1
CP (pF) 0 0 0 0 0 0
RS () 0.7 0.65 0.65 0.6 0.55 0.5
RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear
CAP CP C = CP
Values extracted from measured performance. For package inductance (LS) refer to package type. For more details refer to the "Varactor SPICE Models for RF VCO Applications" Application Note.
Recommended Solder Reflow Profiles
Refer to the "Recommended Solder Reflow Profile" Application Note.
PORT P_Cathode port = 2
Tape and Reel Information
Refer to the "Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation" Application Note.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
February 23, 2007 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200056 Rev. E
DATA SHEET * SMV1142-SMV1148
SOD-323
0.090 (2.30 mm) Min. 0.108 (2.74 mm) Max. 0.010 (0.25 mm) Min. 0.016 (0.40 mm) Max. 0.063 (1.60 mm) Min. 0.071 (1.80 mm) Max.
SC-79
Cathode Indicator 0.010 (0.25 mm) Min. 0.014 (0.35 mm) Max.
1
0.006 (0.15 mm) Min. 0.028 (0.70 mm) Min. 0.035 (0.90 mm) Max.
2
0.045 (1.15 mm) Min. 0.053 (1.35 mm) Max.
1
2
Cathode Indicator 0.008 (0.20 mm) Nom. 0.006 (0.15 mm) Typ.
0.060 (1.50 mm) Min. 0.067 (1.70 mm) Max. 0.043 (1.10 mm) Min. 0.051 (1.30 mm) Max.
0.050 (1.25 mm) Max.
0.004 (0.10 mm) Max. 0.010 (0.25 mm) Min.
10 Max. 0.003 (0.07 mm) Min. 0.008 (0.20 mm) Max. 10 Max.
0.020 (0.50 mm) Min. 0.028 (0.70 mm) Max.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200056 Rev. E * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * February 23, 2007
5
DATA SHEET * SMV1142-SMV1148
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Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 6
February 23, 2007 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200056 Rev. E

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