HVM27WK

HVM27WK Variable Capacitance Diode for FM tuner ADE-208-060C (Z) Rev. 3 Apl. 1993 Features High capacitance ratio to wide tuning band width. (C1/C8 = 1.8min) Low series resistance. MPAK package is suitable for high density surface mounting and high speed assembly. Ordering Information Type No. HVM27WK Laser Mark T5 Package Code MPAK Pin Arrangement 3 2 1 (Top View) 1 Anode 2 Anode 3 Cathode Absolute Maximum Ratings (Ta = 25°C) Item Reverse voltage Junction temperature Storage temperature Symbol VR Tj Tstg Value 20 125 –55 to +125 Unit V °C °C HVM27WK Electrical Characteristics (Ta = 25°C) Item Reverse voltage Reverse current Capacitance Symbol VR IR C1 C2 C8 Capacitance ratio n1 n2 Series resistance Matching error rs ∆C/C* 1 Min 20 — 52.0 43.0 24.0 1.80 1.70 — — Typ — — — — — — — — — Max — 50 62.0 48.1 28.0 — — 0.4 3.0 Unit V nA pF Test Condition I R = 10µA VR = 15V VR = 1V, f = 1MHz VR = 2V, f = 1MHz VR = 8V, f = 1MHz — Ω % C1/C8 C2/C8 VR = 2V, f = 100MHz VR = 1 to 8V Notes: 1. A set of HVM27WK is of uniform C-V characteristics. Measure max. value and min. value of capacitance at each bias point of VR = 1V through 8V. Calculate Matching Error, ∆C/C = (Cmax – Cmin) × 100 (%) Cmin 2. Each group shall uniform a multiple of 4 diodes. 10–6 10 Reverse current I R (A) 10 –7 –8 10 10 10 10 –9 –10 –11 –12 10 –13 0 10 20 30 Reverse voltage VR (V) Fig.1 Reverse current Vs. Reverse voltage 2 HVM27WK 80 f = 1MHz 60 Capacitance C (pF) 40 20 0 0....