SMV1770-040LF - Skyworks Solutions, Inc.

DATA SHEET
SMV1770-040LF: Hyperabrupt Junction Tuning Varactor
Applications
 Low-noise and wideband UHF and VHF VCOs
 High-volume, low-cost battery-powered tuning circuits
Features
 Low series resistance
 High capacitance ratio
 Ultra-small SOD-882 package
(MSL1, 260 °C per JEDEC J-STD-020)
Skyworks GreenTM products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of GreenTM, document number
SQ04–0074.
Description
The SMV1770-040LF is a silicon hyperabrupt junction varactor
diode specifically designed for battery operation. The specified
high capacitance ratio and low reverse voltage make this varactor
appropriate for low phase noise voltage-controlled oscillators
(VCOs) used at frequencies in wireless systems up to and above
2.5 GHz.
Table 1 describes the package and marking of the
SMV1770-040LF.
Table 1. Packaging and Marking
Single
SOD-882
Green™
SMV1770-040LF
Marking: ED1
LS = 0.45 nH
The Pb-free symbol or “LF” in the part number denotes a lead-free,
RoHS-compliant package unless otherwise noted as Green™.
Tin/lead (Sn/Pb) packaging is not recommended for new designs.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected]skyworksinc.com • www.skyworksinc.com
200095K • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • April 8, 2015
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DATA SHEET • SMV1770-040LF: HYPERABRUPT JUNCTION TUNING VARACTOR
Electrical and Mechanical Specifications
Package and Handling Information
The absolute maximum ratings of the SMV1770-040LF are
provided in Table 2. Electrical specifications are provided in
Table 3. Typical capacitance values are listed in Table 4. Typical
performance characteristics for the SMV1770-040LF are
illustrated in Figures 1 and 2.
Instructions on the shipping container label regarding exposure to
moisture after the container seal is broken must be followed.
Otherwise, problems related to moisture absorption may occur
when the part is subjected to high temperature during solder
assembly.
The SPICE model for the SMV1770-040LF is shown in Figure 3
and the associated model parameters are provided in Table 5.
The SMV1770-040LF is rated to Moisture Sensitivity Level 1
(MSL1) at 260 C. It can be used for lead or lead-free soldering.
For additional information, refer to the Skyworks Application Note,
Solder Reflow Information, document number 200164.
Package dimensions are shown in Figure 4, and tape and reel
dimensions are provided in Figure 5。
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format.
Table 2. SMV1770-040LF Absolute Maximum Ratings (Note 1)
Parameter
Symbol
Minimum
Typical
Maximum
Units
12
V
Reverse voltage
VR
Forward current
IF
20
mA
Power dissipation
PDIS
250
mW
Operating temperature
TOP
–55
+125
C
Storage temperature
TSTG
–55
+150
C
Note 1: 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.
Table 3. SMV1770-040LF Electrical Specifications (Note 1)
(TOP = 25 C, Unless Otherwise Noted)
Parameter
Symbol
Test Condition
Min
Typical
Reverse current
IR
VR = 8 V
Capacitance
CT
f = 1 MHz :
VR = 0.5 V
VR = 2.5 V
22.1
7.7
23.6
8.6
2.3
2.7
Capacitance ratio
CTR
CT @ 0.5 V/CT @ 2.5 V
Series resistance
RS
f = 900 MHz, VR = 1 V
Breakdown voltage
VBR
IR = 10 μA
0.4
Max
Units
20
nA
25.1
9.8
pF
pF
–
0.5
12
Note 1: Performance is guaranteed only under the conditions listed in this table.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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April 8, 2015 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • 200095K
Ω
V
DATA SHEET • SMV1770 SERIES VARACTORS
Table 4. Capacitance vs Reverse Voltage
VR
(V)
CT
(pF)
0
31.2
0.5
23.6
1.0
17.8
1.5
13.7
2.0
10.7
2.5
8.6
3.0
7.0
3.5
5.9
4.0
5.5
4.5
5.2
5.0
5.0
35
+5
30
+4
Percent of Variation (%)
Capacitance (pF)
Typical Performance Characteristics
25
20
15
10
5
VR = 1 V
+3
VR = 2.5 V
+2
VR = 4 V
+1
0
–1
–2
–3
0
0
1
2
3
4
Reverse Voltage (V)
Figure 1. Capacitance vs Voltage
5
6
–4
–40
–20
0
+20
+40
+60
+80
Temperature (°C)
Figure 2. Relative Capacitance Change vs Temperature
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200095K • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • April 8, 2015
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DATA SHEET • SMV1770-040LF: HYPERABRUPT JUNCTION TUNING VARACTOR
PORT
P_anode
port = 1
IND
LS
L = LS
RES
RS
R = RS
CAP
CP
C = CP
DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
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
PORT
P_Cathode
port = 2
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
S1672
Figure 3. SPICE Model
Table 5. SPICE Model Parameters
Part Number
CJO
(pF)
VJ
(V)
M
CP
(pF)
RS
(Ω)
LS
(nH)
SMV1770-040LF
33.07
43.4
30
3.54
0.4
0.45
Note:
Values extracted from measured performance.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
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DATA SHEET • SMV1770 SERIES VARACTORS
0.03 C
Seating Plane
0.05/0.00
Pin 1 Indicator
5
2X 0.25 ± 0.05
C
0.05
2X
0.10 M A B
0.325
Terminal 1
1.000
0.650
B
A
0.600
0.46 + 0.04
–0.06
0.05
2X 0.50 ± 0.05
0.10 M A B
4
2X
NOTES:
1. All measurements are in millimeters.
2. Dimensions and tolerances according to ASME Y14.5M-1994.
3. These packages are used principally for discrete devices.
4. This dimension includes stand-off height and package body thickness,
but does not include attached features, e.g., external heatsink or chip capacitors.
An integral heatslug is not considered an attached feature.
5. This dimension is primarily terminal plating, but does not include small metal protrusion.
Y1410
Figure 4. SOD-882 Package Dimensions
4.00 ± 0.10
Cathode
Indicator
2.00 ± 0.05
∅1.55 ± 0.05 (D0)
0.20
8.00 ± 0.1
1.75 ± 0.10
3.50 ± 0.05
1.15 ± 0.05 (Bo)
A
∅0.40 ± 0.05 (D1)
0.47 ± 0.05 (Ko)
2.00 ± 0.05
B
B
A
A
0.70 ± 0.05 (A0)
Notes:
1. Carrier tape: black conductive polycarbonate.
2. Cover tape: transparent conductive material.
3. Cover tape size: 5.4 mm width.
4. ESD surface resistivity is ≥1 x 104 ~ ≤ 1 x 108 Ohms/square.
5. All dimensions are in millimeters.
B
S1922
Figure 5. SOD-882 Tape and Reel Dimensions
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
200095K • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • April 8, 2015
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DATA SHEET • SMV1770-040LF: HYPERABRUPT JUNCTION TUNING VARACTOR
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