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LS840 датащи(PDF) 1 Page - Linear Integrated Systems

номер детали LS840
подробное описание детали  LOW NOISE LOW DRIFT LOW CAPACITANCE MONOLITHIC DUAL N-CHANNEL JFET AMPLIFIER
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производитель  LINEAR [Linear Integrated Systems]
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LS840 датащи(HTML) 1 Page - Linear Integrated Systems

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Linear Integrated Systems
• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261
Doc 201143 05/21/2014 Rev#A8 ECN# LS840 LS841 LS842
FEATURES
LOW NOISE
en=8nV/Hz TYP.
LOW LEAKAGE
IG=10pA TYP.
LOW DRIFT
I VGS1-2/TI=5µV/ºC max.
LOW OFFSET VOLTAGE
IVGS1-2I=2mV 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
10mA
Maximum Power Dissipation
Device Dissipation2 @ Free Air - Total
400mW TA=+25°C
ELECTRICAL CHARACTERISTICS @ 25ºC (unless otherwise noted)
SYMBOL
CHARACTERISTIC
LS840 LS841 LS842 UNITS
CONDITIONS
I VGS1-2 / TI max.
Drift vs. Temperature
5
10
40
µV/ºC
VDG = 20V
ID = 200µA
TA = -55ºC to +125ºC
IVGS1-2I max.
Offset Voltage
5
10
25
mA
VDG = 20V
ID = 200µA
SYMBOL
CHARACTERISTIC3
MIN.
TYP.
MAX.
UNITS
CONDITIONS
BVGSS
Breakdown Voltage
-60
--
--
V
VDS= 0
ID= -1nA
BVGGO
Gate-to-Gate Breakdown
±60
--
--
V
IGGO= ±1µA ID= 0
IS = 0
TRANSCONDUCTANCE
Gfss
Full Conduction
1000
4000
µS
VDG= 20V
VGS= 0
f = 1kHz
Gfs
Typical Conduction
500
1000
µS
VDG= 20V
ID= 200µA
Gfs1
4
Gfs2
Mismatch Transconductance
Ratio
0.97
1.0
DRAIN CURRENT
VDG= 20V
VGS= 0
IDSS
Full Conduction
0.5
2
5
mA
IDSS1
4
IDSS2
Drain Current Ratio
0.95
1.0
GATE-SOURCE
VGS(off)
Pinchoff Voltage
-1
-2
-4.5
V
VDS= 20V
ID= 1nA
VGS
Operating Range
-0.5
--
-4
V
VDS= 20V
ID= 200µA
GATE CURRENT
-IG
Operating
--
10
50
pA
VDG= 20V
ID =200µA
-IG
High Temperature
--
--
50
nA
VDG= 20V
ID =200µA TA=+125ºC
-IG
Reduced VDG
--
5
--
pA
VDG= 10V
ID =200µA
-IGSS
At Full Conduction
--
--
100
pA
VDG= 20V
VDS =0
LS840 LS841 LS842
LOW NOISE LOW DRIFT
LOW CAPACITANCE
MONOLITHIC DUAL
N-CHANNEL JFET AMPLIFIER
TO-71/78
TOP VIEW
SOIC
TOP VIEW


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