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| 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 Reverse Voltage (VR) Forward Current (IF) Power Dissipation (PD) Storage Temperature (TST) Operating Temperature (TOP) Value 22 V 20 mA 250 mW -55C to +150C -55C to +125C Electrical Specifications at 25C Part Number Min. SMV2022 SMV2023 Reverse current IR (VR = 16 nA): 50 nA. CT @ 4 V (pF) Max. 3.3 5.4 Min. 0.6 0.9 2.5 4.4 CT @ 20 V (pF) Max. 0.85 1.20 CT @ 4 V CT @ 20 V (Ratio) Min. 3.0 4.2 Q @ 4V 50 MHz 500 500 Single SOT-23 SMV2022-001 SMV2023-001 LS = 1.5 nH Common Cathode SOT-23 SMV2022-004 SMV2023-004 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 Typical Performance Data 8 7 Capacitance vs. Voltage VR (V) 0.0 0.5 1.0 1.5 SMV2022 CT (pF) 7.41 5.94 5.14 4.56 4.14 3.78 3.49 3.23 3.01 2.54 2.18 1.8 1.5 1.29 1.11 1.03 0.96 0.91 0.87 0.83 0.81 0.78 0.76 0.75 0.73 SMV2023 CT (pF) 12.33 9.90 8.60 7.62 6.94 6.34 5.88 5.45 5.09 4.42 3.77 3.18 2.63 2.21 1.86 1.68 1.54 1.44 1.37 1.30 1.25 1.20 1.16 1.13 1.09 Capacitance (pF) 6 5 4 3 2 1 0 0 5 10 15 20 SMV2022 SMV2023 2.0 2.5 3.0 3.5 4.0 5.0 6.0 7.0 8.0 Reverse Voltage (V) Capacitance vs. Voltage 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 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 RES RS R = RS DIODE Varactor_Diode AREA = 1 MODEL = Diode_Model MODE = nonlinear CAP CP C = CP SOT-23 0.075 (1.90 mm) 0.087 (2.20 mm) 0.037 (0.95 mm) 0.110 (2.80 mm) MIN. 0.120 (3.04 mm) MAX. 0.083 (2.10 mm) MIN. 0.104 (2.64 mm) MAX. 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. PORT P_Cathode port = 2 Part Number SMV2022 SMV2023 CJ0 (pF) 7.30 12.23 VJ (V) 4.0 4.0 M 1.4 1.4 CP (pF) 0 0 RS () 2.2 1.6 LS (nH) 1.5 1.5 0.055 0.039 (1.40 mm) (1.00 mm) FOOTPRINT 1 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. 0.02 (0.51 mm) REF. 0.076 (1.92 mm) REF. 0.035 (0.89 mm)MIN. 0.044 (1.12 mm)MAX. 0.0005 (0.01 mm) MIN. 0.004 (0.10 mm) MAX. 2 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 |
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