LS840
LS840 is DUAL N-CHANNEL JFET AMPLIFIER manufactured by LINEAR SYSTEMS.
FEATURES
LOW NOISE en=8n V/Hz TYP.
LOW LEAKAGE
IG=10p A TYP.
LOW DRIFT
I VGS1-2/TI=5µV/ºC max.
LOW OFFSET VOLTAGE
IVGS1-2I=2m V TYP.
ABSOLUTE MAXIMUM RATINGS1
@ 25°C (unless otherwise noted)
Maximum Temperatures
Storage Temperature
-55°C to +150°C
Operating Junction Temperature
-55°C to +150°C
Maximum Voltage and Current for Each Transistor1
-VGSS Gate Voltage to Drain or Source 60V
IG(f) Gate Forward Current Maximum Power Dissipation
10m A
Device Dissipation2 @ Free Air
- Total 400m W TA=+25°C
SOIC TOP VIEW
TO-71/78 TOP VIEW
ELECTRICAL CHARACTERISTICS @ 25ºC (unless otherwise noted)
SYMBOL
CHARACTERISTIC
LS840 LS841 LS842 UNITS
I VGS1-2 / TI max. Drift vs. Temperature
10 40 µV/ºC
IVGS1-2I max.
Offset Voltage
10 25 m A
CONDITIONS VDG = 20V TA = -55ºC to +125ºC VDG = 20V
ID = 200µA ID = 200µA
SYMBOL BVGSS BVGGO
Gfss Gfs Gfs1│4 Gfs2│
IDSS IDSS1│4 IDSS2│
VGS(off)...
