U430

U430/431 Vishay Siliconix Matched N-Channel Pairs PRODUCT SUMMARY Part Number U430 U431 VGS(off) (V) –1 to –4 –2 to –6 V(BR)GSS Min (V) –25 –25 gfs Min (mS) 10 10 IG Typ (pA) –15 –15 jVGS1 – VGS2j Typ (mV) 25 25 FEATURES D D D D D D Two-Chip Design High Slew Rate Low Offset/Drift Voltage Low Gate Leakage: 15 pA Low Noise High CMRR: 75 dB BENEFITS D D D D D D Tight Differential Match vs. Current Improved Op Amp Speed, Settling Time Accuracy Minimum Input Error/Trimming Requirement Insignificant Signal Loss/Error Voltage High System Sensitivity Minimum Error with Large Input Signals APPLICATIONS D Wideband Differential Amps D High-Speed, Temp-Compensated, Single-Ended Input Amps D High-Speed Comparators D Impedance Converters DESCRIPTION The U430/431 are matched JFET pairs assembled in a TO-78 package. These devices offer good power gain even at frequencies beyond 250 MHz. The TO-78 package is available with full military processing (see Military Information). For similar products, see the low-noise U/SST401 series, the high-gain 2N5911/5912, and the low-leakage U421/423 data sheets. TO-78 S1 1 7 S2 G1 2 6 G2 3 D1 4 Case Top View 5 D2 ABSOLUTE MAXIMUM RATINGS Gate-Drain, Gate-Source Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25 V Gate Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA Lead Temperature (1/16” from case for 10 sec.) . . . . . . . . . . . . . . . . . . 300 ...