ALPHA SMV2022

Hyperabrupt Junction Tuning Varactor
SMV2022–SMV2023
Features
■ Low Series Resistance
■ High Capacitance Ratio at Low
Reverse Voltage
■ SOT-23 Single and Common Cathode
■ Designed for High Volume, Low Cost
Battery Applications
■ Available in Tape and Reel Packaging
Description
The SMV2022 and SMV2023 devices are silicon
hyperabrupt junction varactor diodes. The specified high
capacitance ratio and low RS of these varactors make them
attractive for low phase noise VCOs in wireless systems.
Absolute Maximum Ratings
Characteristic
Value
Reverse Voltage (VR)
22 V
Forward Current (IF)
20 mA
Power Dissipation (PD)
250 mW
Storage Temperature (TST)
-55°C to +150°C
Operating Temperature (TOP)
-55°C to +125°C
Electrical Specifications at 25°C
CT @ 4 V
(pF)
Part Number
CT @ 20 V
(pF)
CT @ 4 V
CT @ 20 V
(Ratio)
Q @ 4V
Min.
Max.
Min.
Max.
Min.
50 MHz
SMV2022
2.5
3.3
0.6
0.85
3.0
500
SMV2023
4.4
5.4
0.9
1.20
4.2
500
Reverse current IR (VR = 16 nA): 50 nA.
Single
Common Cathode
SOT-23
SOT-23
SMV2022-001
SMV2022-004
SMV2023-001
SMV2023-004
LS = 1.5 nH
LS = 1.5 nH
Alpha Industries, Inc. [781] 935-5150 • Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 6/01A
1
Hyperabrupt Junction Tuning Varactor
SMV2022–SMV2023
Capacitance (pF)
Typical Performance Data
Capacitance vs. Voltage
8
VR (V)
SMV2022 CT (pF)
SMV2023 CT (pF)
7
0.0
7.41
12.33
6
0.5
5.94
9.90
1.0
5.14
8.60
1.5
4.56
7.62
2.0
4.14
6.94
2.5
3.78
6.34
3.0
3.49
5.88
1
3.5
3.23
5.45
0
4.0
3.01
5.09
5.0
2.54
4.42
6.0
2.18
3.77
7.0
1.8
3.18
8.0
1.5
2.63
5
4
SMV2023
3
2
SMV2022
0
5
10
15
20
Reverse Voltage (V)
Capacitance vs. Voltage
SPICE Model
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
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
CJ0
(pF)
VJ
(V)
M
CP
(pF)
RS
Ω)
(Ω
LS
(nH)
SMV2022
7.30
4.0
1.4
0
2.2
1.5
SMV2023
12.23
4.0
1.4
0
1.6
1.5
9.0
1.29
2.21
10.0
1.11
1.86
11.0
1.03
1.68
12.0
0.96
1.54
13.0
0.91
1.44
14.0
0.87
1.37
15.0
0.83
1.30
16.0
0.81
1.25
17.0
0.78
1.20
18.0
0.76
1.16
19.0
0.75
1.13
20.0
0.73
1.09
SOT-23
0.110 (2.80 mm) MIN.
0.120 (3.04 mm) MAX.
0.075 (1.90 mm)
0.087
(2.20 mm)
0.037
(0.95 mm)
0.055
0.039
(1.40 mm)
(1.00 mm)
FOOTPRINT
0.083
(2.10 mm)
MIN.
0.104
(2.64 mm)
MAX.
0.037 (0.95 mm)
REF.
0.003 (0.080 mm) MIN.
0.008 (0.20 mm) MAX.
8˚ MAX.
0.022 (0.55 mm) REF.
2
1
0.012
(0.30 mm)
MIN.
3
0.020
(0.50 mm)
MAX.
2
0.047
(1.20 mm) MIN.
0.055
(1.40 mm) MAX.
0.02
(0.51 mm)
REF.
0.076
(1.92 mm) REF.
0.0005 (0.01 mm) MIN.
0.004 (0.10 mm) MAX.
Alpha Industries, Inc. [781] 935-5150 • Fax [978] 241-7906 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 6/01A
0.035
(0.89 mm)MIN.
0.044
(1.12 mm)MAX.