Switching. SST4391 Datasheet

SST4391 Switching. Datasheet pdf. Equivalent


Micross SST4391
SST4391
Single N-Channel JFET switch
Linear Systems replaces discontinued Siliconix SST4391
The SST4391 features many of the superior
characteristics of JFETs which make it a good choice
FEATURES 
DIRECT REPLACEMENT FOR SILICONIX SST4391 
for demanding analog switching applications and for
specialized amplifier circuits.
LOW ON RESISTANCE 
LOW GATE OPERATING CURRENT 
rDS(on) ≤ 30Ω 
ID(off) = 5pA 
SST4391 Benefits:
ƒ Low Error Voltage
ƒ High-Speed Analog Circuit Performance
FAST SWITCHING 
t(ON) ≤= 15ns 
ABSOLUTE MAXIMUM RATINGS1 @ 25°C (unless otherwise noted) 
Maximum Temperatures 
ƒ Negligible “Off-Error,” Excellent Accuracy
ƒ Good Frequency Response, Low Glitches
ƒ Eliminates Additional Buffering
Storage Temperature 
Operating Junction Temperature 
Maximum Power Dissipation 
65°C to +200°C 
55°C to +200°C 
SST4391 Applications:
ƒ Analog Switches
ƒ Choppers, Sample-and-Hold
Continuous Power Dissipation  
MAXIMUM CURRENT
Gate Current (Note 1) 
350mW 
IG = 50mA 
ƒ Normally “On” Switches, Current Limiters
MAXIMUM VOLTAGES 
Gate to Drain Voltage /  Gate to Source Voltage 
35V 
SST4391 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted)
SYMBOL 
CHARACTERISTIC 
MIN  TYP. 
MAX 
UNITS 
CONDITIONS 
BVGSS 
VGS(off) 
Gate to Source Breakdown Voltage  ‐35 
Gate to Source Cutoff Voltage 
4 
‐‐ 
‐‐ 
‐‐ 
10 
 
V 
IG = ‐1µA,   VDS = 0V 
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) 
IDSS 
Drain to Source On Voltage 
‐‐ 
Drain to Source Saturation Current2  50 
0.35 
‐‐ 
0.4 
‐‐ 
 
mA 
VGS = 0V,   ID = 12mA 
VDS = 20V, VGS = 0V 
IGSS 
Gate Reverse Current 
‐‐  ‐5  ‐100   
IG 
Gate Operating Current 
‐‐  ‐5 
‐‐ 
pA 
VGS = ‐20V,  VDS = 0V 
VDG = 15V,  ID = 10mA 
ID(off) 
Drain Cutoff Current 
‐‐  5  100 
VDS = 10V,   VGS = ‐10V 
rDS(on) 
Drain to Source On Resistance 
‐‐ 
‐‐ 
30 
SST4391 DYNAMIC ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) 
SYMBOL 
CHARACTERISTIC 
TYP  MIN  MAX 
Click To Buygfs 
Forward Transconductance 
6  ‐‐ 
‐‐ 
Ω 
UNITS 
mS 
VGS = 0V,   ID = 1mA 
CONDITIONS 
VDS = 20V,  ID = 1mA,  f = 1kHz 
gos 
Output Conductance 
25  ‐‐ 
‐‐ 
µS 
VDS = 20V,  ID = 1mA,  f = 1kHz 
rds(on) 
Drain to Source On Resistance 
‐‐ 
‐‐ 
30 
Ω 
VGS = 0V,  ID = 0A,  f = 1kHz 
Ciss 
Input Capacitance 
13  ‐‐ 
‐‐ 
Crss 
 
3.6  ‐‐ 
‐‐ 
Crss 
Reverse Transfer Capacitance 
3.5 
‐‐ 
‐‐ 
 
 
pF 
VDS = 20V,   VGS = 0V,  f = 1MHz 
VDS = 0V,   VGS = ‐5V,  f = 1MHz 
VDS = 0V,   VGS = ‐7V,  f = 1MHz 
Crss 
3.1  ‐‐ 
‐‐ 
VDS = 0V,   VGS = ‐12V,  f = 1MHz 
en 
Equivalent Input Noise Voltage 
3 
‐‐ 
‐‐ 
nV/Hz 
VDS = 10V,  ID = 10mA,  f = 1kHz 
SST4391 SWITCHING ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) 
SYMBOL 
CHARACTERISTIC 
TYP  MIN  MAX 
UNITS 
CONDITIONS 
td(on) 
tr 
 
Turn On Time 
2  ‐‐ 
2  ‐‐ 
‐‐ 
‐‐ 
td(off) 
tf 
 
Turn Off Time 
6  ‐‐ 
13  ‐‐ 
‐‐ 
‐‐ 
Notes: 1. Absolute ratings are limiting values above which serviceability may be impaired 
             2. Pulse test: PW ≤ 300µs, Duty Cycle ≤ 3% 
 
 
 
ns 
 
 
 
VDD = 10V,   VGS(H) = 0V 
SST4391 SWITCHING CIRCUIT PARAMETERS                                                                                                                                         SWITCHING CIRCUIT 
VGS(L) 
12V 
  SOT-23 (Top View)
RL 
800Ω 
 
ID(on) 
12mA 
 
Availab  le Packages:  
  
 
 
SST43  91 in SOT-23  
 
SST43 9w1 iwn bwar.eDdaiet.a Sheet4 U.com
Contac  t Micross for fu ll package  and die dimensions
Micross Components Europe
Tel: +44 1603 788967
Email: chipcomponents@micross.com
Web: http://www.micross.com/distribution
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.


SST4391 Datasheet
Recommendation SST4391 Datasheet
Part SST4391
Description Switching
Feature SST4391; SST4391 Single N-Channel JFET switch Linear Systems replaces discontinued Siliconix SST4391 FEATURE.
Manufacture Micross
Datasheet
Download SST4391 Datasheet








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