U430 INTERFET | Alldatasheet
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U430, U431 Dual N-Channel Silicon Junction Field-Effect Transistor ¥ Balanced Mixers ¥ Differential Amplifiers Absolute maximum ratings at TA = 25¡C. Total Device Dissipation (Derate 4 mW/°C to150°C) 500 mW Storage Temperature Range – 65°C to +150°C Lead Temperature 300°C TOÐ78 Package Dimensions in Inches (mm) Pin Configuration
1 Source 1, 2 Gate 1, Drain 1,
4 Case, 5 Drain 2, 6 Gate 2,
7 Source 2, 8 Omitted
At 25°C free air temperature: U430 U431 Process NJ72 Static Electrical Characteristics Min Typ Max Min Typ Max Unit Test Conditions Gate Source Breakdown Voltage V (BR)GSS – 25 – 25 V I G = – 1µA, VDS = ØV Gate Reverse Current I GSS – 150 – 150 pA V GS = – 15V, VDS = ØV – 150 – 150 nA V GS = – 15V, VDS = ØV T A = 150°C Gate Source Cutoff Voltage V GS(OFF) – 1– 4 – 2– 6 V V DS = 10V, ID = 1 nA Gate Source Forward Voltage V GS(F) 11 V V DS = ØV, I G = 10 mA Drain Saturation Current (Pulsed) I DSS 12 30 24 60 mA V DS = 10V, VGS = ØV Dynamic Electrical Characteristics Common Source Forward Gfs 10 17 10 17 mS V DS = 10V, ID = 10 mA f = 1 kHz Transconductance 12 12 mS V DS = 10V, ID = 10 mA f = 100 MHz Common Source Output Conductance G os 250 250 µS V DS = 10V, ID = 10 mA f = 1 kHz 0.15 0.15 µS V DS = 10V, ID = 10 mA f = 100 MHz Drain Gate Capacitance C dg 55 p F V DS = ØV, V GS = – 10V f = 1 MHz Source Gate Capacitance C gs 2.5 2.5 pF V DS = ØV, V GS = – 10V f = 1 MHz Equivalent Short Circuit ¯eN 10 10 nV/√Hz VDS = 10V, ID = 10 mA f = 100 kHzInput Noise Voltage Power Match Source Admittance g ig 12 12 V DS = 10V, ID = 10 mA f = 100 MHz Conversion Gain G c 33 d B VDS = 20V, RL = 2 kΩ f = 100 MHzVGS = 1/2 VGS(OFF) Saturation Drain Current Ratio I DSS1/IDSS2 0.9 1 0.9 1 V DS = 10V, VG = ØV Gate Source Cutoff Voltage Ratio VGS(OFF)1 0.9 1 0.9 1 V DS = 10V, ID = 1 nAVGS(OFF)2 Transconductance Ratio g fs1/gfs2 0.9 1 0.9 1 V DS = 10V, ID = 10 mA 1000 N. Shiloh Road, Garland, TX 75042 (972) 487-1287 FAX (972) 276-3375 www.interfet.com Databook.fxp 1/13/99 2:09 PM Page B-70