Datasheet J211, J212, J210 Datasheet (Linear Integrated System Linear Systems)

Linear Integrated Systems

J210, J211, J212

LOW NOISE N-CHANNEL J-FET

GENERAL PURPOSE AMPLIFIER

TO-92

Plastic

FEATURES

HIGH GAIN gfs = 7000µmho MINIMUM (J211, J212)
HIGH INPUT IMPEDANCE I
LOW INPUT CAPACITANCE C

= 100pA MAXIMUM

GSS

= 5pF TYPICAL

iss

ABSOLUTE MAXIMUM RATINGS

@ 25°C (unless otherwise noted)
Gate-Drain or Gate-Source Voltage -25V

Gate Current 10mA
Total Device Dissipation @ 25°C Ambient 360mW
(Derate 3.27 mW/°C)
Operating Temperature Range -55°C to + 135°C

ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted)

SYMBOL CHARACTERISTICS J210 J211 J212 UNITS CONDITIONS

MIN TYP MAX MIN TYP MAX MIN TYP MAX

I

GSS

V

GS(off)

BV
I

DSS

I

G

g

fs

g

os

C

iss

C

rss

e

n

GSS

Gate Reverse Current -- -- -100 -- -- -100 -- -- -100 pA VDS=0 VGS= -15V(NOTE 1)
Gate-Source Cutoff Voltage -1 -- -3 -2.5 -- -4.5 -4 -- -6 VDS=15V ID=1nA

Gate-Source Breakdown Voltage -25 -- -- -25 -- -- -25 -- -- V

Drain Saturation Current 2 -- 15 7 -- 20 15 -- 40 mA VDS=15V VGS=0 (NOTE 2)
Gate Current -- -10 -- -- -10 -- -- -10 -- pA VDS=10V ID=1mA (NOTE 1)
Common-Source Forward 4,000 -- 12,000 6,000 -- 12,000 7,000 -- 12,000

Transconductance
Common-Source Output -- -- 150 -- -- 200 -- -- 200
Conductance

Common-Source Input -- 4 -- -- 4 -- -- 4 -- f=1MHz
Capacitance

Common-Source Reverse -- 1 -- -- 1 -- -- 1 -­Transfer Capacitance
Equivalent Short-Circuit Input -- 10 -- -- 10 -- -- 10 -- nV√Hz f=1kHz

Noise Voltage

TO-92

G

D

S

G

S

D

G
S
D

Bottom View

V

µmho f=1kHz

pF

=0 IG= -1µA

DS

VDS=15V VGS=0

NOTE 1: Approximately doubles for every 10°C increase in TA.
NOTE 2: Pulse test duration = 2ms.

Linear Integrated Systems

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