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DATA SHEET
SMV1705 Series: Hyperabrupt Junction Tuning Varactors
Features
Designed for high volume, low cost battery applications Low series resistance High capacitance ratio Available lead (Pb)-free MSL-1 @ 250 C per JEDEC J-STD-020 Ultra small size SC-79 package Available in tape and reel packaging

Absolute Maximum Ratings Description
The SMV1705 series are silicon hyperabrupt junction varactor diodes specifically designed for battery operation. The specified high capacitance ratio and low RS of these varactors make them appropriate for low noise VCOs used at frequencies in wireless systems to beyond 2.5 GHz. Applications include low noise and wideband UHF and VHF VCO for GSM, PCS, CDMA and analog phones.
Characteristic Forward current (IF) Power dissipation (PD) Storage temperature (TST) Operating temperature (TOP) ESD human body model Value 20 mA 250 mW -55 C to +150 C -55 C to +125 C Class 0
NEW
Skyworks offers lead (Pb)-free "environmentally friendly" packaging that is RoHS compliant (European Parliament for the Restriction of Hazardous Substances).
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.
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 must be employed at all times.
Common Cathode Marking: CY3 SOT-23 SMV1705-004
Single
SC-79 SMV1705-079 SMV1705-079LF
LS = 1.4 nH
LS = 0.7 nH
LF denotes lead (Pb)-free packaging option as an alternative to our standard tin/lead (Sn/Pb) packaging.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200076 Rev. A * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * September 16, 2004
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DATA SHEET * SMV1705 SERIES
Electrical Specifications at 25 C
Parameter Reverse current (IR) Capacitance (CT) Capacitance (CT) Capacitance ratio (CTR) Series resistance (RS) Breakdown voltage (VBR) VR = 8 V VR = 1 V, F = 1 MHz VR = 4 V, F = 1 MHz CT (1 V)/CT (4 V) VR = 1 V, F = 470 MHz IR = 10 A 12.0 17.3 5.3 2.8 Condition Min. Typ. < 0.01 18.30 6.10 3.00 0.32 V Max. 20.0 19.3 6.6 Unit nA pF pF
Typical Performance Data
35 30
Capacitance vs. Voltage
VR (V) 0.0 0.5 CT (pF) 31.5 23.5 18.3 14.3 11.9 9.7 8.3 7.1 6.1 5.5 5.2
Capacitance (pF)
25 20 15 10 5 0 0 1 2 3 4 5
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Varactor Voltage (V)
Capacitance vs. Voltage
SPICE Model
5 4 VVAR = 1 V VVAR = 2.5 V VVAR = 4 V
RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear IND LS L = LS
Percent of Variation (%)
PORT P_anode port = 1
3 2 1 0 -1 -2 -3 -4 -40 -20 0 20 40 60 80
CAP CP C = CP
Temperature (C)
Relative Capacitance Change vs. Temperature
PORT P_Cathode port = 2
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 SMV1705
CJO (pF) 31
VJ (V) 3
M 2
CP (pF) 0.5
RS () 0.32
LS (nH) 0.8
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
March 9, 2005 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200076 Rev. A
DATA SHEET * SMV1705 SERIES
SOT-23
0.110 (2.80 mm) Min. 0.120 (3.04 mm) Max.
3
SC-79
0.012 (0.30 mm) Min. 0.020 (0.50 mm) Max. 0.047 (1.20 mm) Min. 0.055 (1.40 mm) Max.
1 2
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
0.083 (2.10 mm) Min. 0.104 (2.64 mm) Max.
0.037 (0.95 mm) Ref. 0.020 (0.51 mm) Ref. 0.076 (1.92 mm) Ref. 0.003 (0.080 mm) Min. 0.008 (0.20 mm) Max. 8 Max. 0.035 (0.89 mm) Min. 0.044 (1.12 mm) Max.
0.060 (1.50 mm) Min. 0.067 (1.70 mm) Max. 0.043 (1.10 mm) Min. 0.051 (1.30 mm) Max. 0.020 (0.50 mm) Min. 0.028 (0.70 mm) Max. 10 Max.
0.022 (0.55 mm) Ref.
0.0005 (0.01 mm) Min. 0.004 (0.10 mm) Max.
10 Max. 0.003 (0.07 mm) Min. 0.008 (0.20 mm) Max.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200076 Rev. A * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * March 9, 2005
3
DATA SHEET * SMV1705 SERIES
Recommended Solder Reflow Profiles
Profile Feature Average ramp-up rate (TL to TP) Preheat Temperature min. (TSMIN) Temperature max. (TSMAX) Time (min. to max.) (ts) TSMAX to TL Ramp-up rate Time maintained above: Temperature (TL) Time (tL) Peak temperature (TP) Time within 5 C of actual peak temperature (tp) Ramp-down rate Time 25 C to peak temperature SnPb Eutectic Assembly 3 C/second max. 100 C 150 C 60-120 seconds -- 183 C 60-150 seconds 240 +0/-5 C 10-30 seconds 6 C/second max. 6 minutes max. Lead (Pb)-Free Assembly 100% Sn 3 C/second max. 150 C 200 C 60-80 seconds 3 C/second max. 217 C 60-150 seconds 250 +0/-5 C 20-40 seconds 6 C/second max. 8 minutes max.
All temperatures refer to the topside of the package, measured on the package body surface. Reference JEDEC J-STD-020B.
TP
tp Critical Zone TL to TL
TL IL TSMAX
Temperature
TSMIN ts Preheat
25 C t 25 C to Peak
Time
Reference JEDEC J-STD-020
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
March 9, 2005 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200076 Rev. A
DATA SHEET * SMV1705 SERIES
Copyright (c) 2002, 2003, 2004, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products. These materials 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. Skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update the information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from future changes to its documentation, products, specifications and product descriptions. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by or under this document. Except as may be provided in Skyworks Terms and Conditions of Sale for such products, Skyworks assumes no liability whatsoever in association with its documentation, products, specifications and product descriptions. THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED OR OTHERWISE, RELATING TO SALE AND/OR USE OF SKYWORKS PRODUCTS INCLUDING WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. SKYWORKS FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THESE MATERIALS WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale. The following are trademarks of Skyworks Solutions, Inc.: SkyworksTM, the Skyworks logo, and Breakthrough SimplicityTM. Product names or services listed in this publication are for identification purposes only, and may be trademarks of Skyworks or other third parties. Third-party brands and names are the property of their respective owners. Additional information, posted at www.skyworksinc.com, is incorporated by reference.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200076 Rev. A * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * March 9, 2005
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