SMV2022 Datasheet, PDF (1/2 Pages) Alpha Industries – Hyperabrupt Junction Tuning Varactor

Hyperabrupt Junction Tuning Varactor
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
SMV2022–SMV2023
Description
The SMV2022 and SMV2023 devices are silicon
hyperabrupt junction varactor diodes. The specified high
capacitance ratio and low R_S of these varactors make them
attractive for low phase noise VCOs in wireless systems.
Absolute Maximum Ratings
Characteristic
Reverse Voltage (V_R)
Forward Current (I_F)
Power Dissipation (P_D)
Storage Temperature (T_ST)
Operating Temperature (T_OP)
Value
22 V
20 mA
250 mW
-55°C to +150°C
-55°C to +125°C
Electrical Specifications at 25°C
Part Number
SMV2022
SMV2023
Reverse current I_R (V_R = 16 nA): 50 nA.
C_T @ 4 V
(pF)
Min.
Max.
2.5
3.3
4.4
5.4
C_T @ 20 V
(pF)
Min.
Max.
0.6
0.85
0.9
1.20
C_T @ 4 V
C_T @ 20 V
(Ratio)
Min.
3.0
4.2
Q @ 4V
50 MHz
500
500
Single
SOT-23
SMV2022-001
SMV2023-001
L_S = 1.5 nH
Common Cathode
SOT-23
SMV2022-004
SMV2023-004
L_S = 1.5 nH
Alpha Industries, Inc. [781] 935-5150 • Fax [978] 241-7906 • Email [e-mail] • www.alphaind.com
1
Specifications subject to change without notice. 6/01A