
Linear Integrated Systems
Linear Integrated Systems
4042 Clipper Ct., Fremont, CA 94538 TEL: (510) 490-9160 FAX: (510) 353-0261
J210, J211, J212
LOW NOISE N-CHANNEL J-FET
GENERAL PURPOSE AMPLIFIER
FEATURES
HIGH GAIN g
fs
= 7000
μ
mho MINIMUM (J211, J212)
HIGH INPUT IMPEDANCE I
GSS
= 100pA MAXIMUM
LOW INPUT CAPACITANCE C
iss
= 5pF TYPICAL
ABSOLUTE MAXIMUM RATINGS
@ 25
°
C (unless otherwise noted)
Gate-Drain or Gate-Source Voltage
Gate Current
Total Device Dissipation @ 25
°
C Ambient
(Derate 3.27 mW/
°
C)
Operating Temperature Range
-25V
10mA
360mW
-55
°
C to + 135
°
C
Bottom View
G
D
S
D
Plastic
S
G
D
G
S
TO-92
TO-92
ELECTRICAL CHARACTERISTICS @ 25
°
C (unless otherwise noted)
SYMBOL CHARACTERISTICS
MIN TYP MAX MIN TYP MAX MIN TYP MAX
I
GSS
V
GS(off)
BV
GSS
I
DSS
I
G
g
fs
Transconductance
g
os
Conductance
J210 J211
J212 UNITS CONDITIONS
Gate Reverse Current
--
--
-100
--
--
-100
--
--
-100
pA
V
DS
=
0
V
DS
=15V
V
DS
=0
V
DS
=15V
V
DS
=10V
V
GS
= -15V
(NOTE 1)
I
D
=1nA
I
G
= -1
μ
A
V
GS
=0
I
D
=1mA
Gate-Source Cutoff Voltage
-1
--
-3
-2.5
--
-4.5
-4
--
-6
Gate-Source Breakdown Voltage
-25
--
--
-25
--
--
-25
--
--
Drain Saturation Current
2
--
15
7
--
20
15
--
40
mA
(NOTE 2)
Gate Current
-- -10
--
--
-10
--
--
-10
--
pA
(NOTE 1)
Common-Source Forward
4,000
--
12,000
6,000
--
12,000
7,000
--
12,000
Common-Source Output
--
--
150
--
--
200
--
--
200
C
iss
Common-Source Input
Capacitance
--
4
--
--
4
--
--
4
--
f=1MHz
C
rss
Common-Source Reverse
Transfer Capacitance
Equivalent Short-Circuit Input
Noise Voltage
--
1
--
--
1
--
--
1
--
e
n
--
10
--
--
10
--
--
10
--
nV
√
Hz
f=1kHz
NOTE 1
: Approximately doubles for every 10
°
C increase in T
A
.
NOTE 2:
Pulse test duration = 2ms.
V
pF
V
DS
=15V
V
GS
=0
μ
mho
f=1kHz