SST4391 Single N-Channel JFET switch Linear Systems replaces discontinued Siliconix SST4391 FEATURES DIRECT REPLACEMENT FOR SILICONIX SST4391 LOW ON RESISTANCE rDS(on) 30 LOW GATE OPERATING CURRENT ID(off) = 5pA FAST SWITCHING t(ON) = 15ns SST4391 Benefits: ABSOLUTE MAXIMUM RATINGS1 @ 25C (unless otherwise noted) Low Error Voltage Maximum Temperatures High-Speed Analog Circuit Performance Storage Temperature 65C to +200C Negligible "Off-Error," Excellent Accuracy Good Frequency Response, Low Glitches Operating Junction Temperature 55C to +200C Eliminates Additional Buffering Maximum Power Dissipation Continuous Power Dissipation 350mW SST4391 Applications: MAXIMUM CURRENT Analog Switches Gate Current (Note 1) IG = 50mA Choppers, Sample-and-Hold MAXIMUM VOLTAGES Normally "On" Switches, Current Limiters Gate to Drain Voltage / Gate to Source Voltage 35V SST4391 ELECTRICAL CHARACTERISTICS @ 25C (unless otherwise noted) SYMBOL CHARACTERISTIC MIN TYP. MAX UNITS CONDITIONS BVGSS Gate to Source Breakdown Voltage 35 IG = 1A, VDS = 0V V VGS(off) Gate to Source Cutoff Voltage 4 10 VDS = 15V, ID = 10nA VGS(F) Gate to Source Forward Voltage 0.7 1 IG = 1mA, VDS = 0V VDS(on) Drain to Source On Voltage 0.25 VGS = 0V, ID = 3mA VDS(on) Drain to Source On Voltage 0.3 VGS = 0V, ID = 6mA VDS(on) Drain to Source On Voltage 0.35 0.4 VGS = 0V, ID = 12mA IDSS Drain to Source Saturation Current2 50 mA VDS = 20V, VGS = 0V IGSS Gate Reverse Current 5 100 VGS = 20V, VDS = 0V pA IG Gate Operating Current 5 VDG = 15V, ID = 10mA ID(off) Drain Cutoff Current 5 100 VDS = 10V, VGS = 10V rDS(on) Drain to Source On Resistance 30 VGS = 0V, ID = 1mA SST4391 DYNAMIC ELECTRICAL CHARACTERISTICS @ 25C (unless otherwise noted) SYMBOL CHARACTERISTIC TYP MIN MAX UNITS CONDITIONS The SST4391 features many of the superior characteristics of JFETs which make it a good choice for demanding analog switching applications and for specialized amplifier circuits. gfs gos rds(on) Click To Buy Forward Transconductance 6 mS VDS = 20V, ID = 1mA, f = 1kHz Output Conductance 25 S VDS = 20V, ID = 1mA, f = 1kHz 30 VGS = 0V, ID = 0A, f = 1kHz Input Capacitance 13 3.6 Reverse Transfer Capacitance 3.5 3.1 3 Crss Crss en Drain to Source On Resistance Ciss Crss Equivalent Input Noise Voltage VDS = 20V, VGS = 0V, f = 1MHz pF VDS = 0V, VGS = 5V, f = 1MHz VDS = 0V, VGS = 7V, f = 1MHz VDS = 0V, VGS = 12V, f = 1MHz nV/Hz VDS = 10V, ID = 10mA, f = 1kHz UNITS CONDITIONS ns VDD = 10V, VGS(H) = 0V SST4391 SWITCHING ELECTRICAL CHARACTERISTICS @ 25C (unless otherwise noted) SYMBOL CHARACTERISTIC TYP 2 Turn On Time 2 6 13 td(on) tr td(off) Turn Off Time tf MIN MAX Notes: 1. Absolute ratings are limiting values above which serviceability may be impaired 2. Pulse test: PW 300s, Duty Cycle 3% SST4391 SWITCHING CIRCUIT PARAMETERS VGS(L) 12V RL 800 12mA ID(on) SOT-23 (Top View) SWITCHING CIRCUIT Micross Components Europe Available Packages: SST4391 in SOT-23 SST4391 in bare die. Tel: +44 1603 788967 Email: chipcomponents@micross.com Web: http://www.micross.com/distribution Contact Micross for full package and die dimensions Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems.