LS5911 LS5912 LS5912C
Linear Integrated Systems
FEATURES
Improved Replacement for SILICONIX, FAIRCHILD, &
NATIONAL: 2N5911 & 2N5912
LOW NOISE (10kHz)
e
n
~ 4nV/√Hz
HIGH TRANSCONDUCTANCE (100MHz)
ABSOLUTE MAXIMUM RATINGS
1
@ 25 °C (unless otherwise stated)
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
Maximum Power Dissipation
Continuous Power Dissipation (Total)
Maximum Currents
Gate Current
Maximum Voltages
Gate to Drain
Gate to Source
-25V
-25V
50mA
500mW
S1
D1
SS
G1
1
2
3
4
IMPROVED LOW NOISE
WIDEBAND MONOLITHIC
DUAL N-CHANNEL JFET
TO-71
BOTTOM VIEW
TO-78
BOTTOM VIEW
G1
D1
S1
SOT-23
TOP VIEW
1
2
3
6
5
4
g
fs
≥
4000µS
G1
D1
S1
2
3
5
6
S2
D2
G2
PDIP-A
G1
D1
S1
2
3
5
6
S2
D2
G2
S2
D2
G2
1
7
1
7
PDIP-B
8
7
6
5
-65 to +150 °C
-55 to +150 °C
S1
D1
SS
G1
1
2
3
4
G2
SS
D2
S2
S1
D1
G1
NC
1
2
3
4
8
7
6
5
NC
G2
D2
S2
SOIC-A
8
7
6
5
SOIC-B
G2
SS
D2
S2
S1
D1
G1
NC
1
2
3
4
8
7
6
5
NC
G2
D2
S2
MATCHING ELECTRICAL CHARACTERISTICS @25 °C (unless otherwise stated)
SYMBOL
CHARACTERISTIC
TYP
LS5911
MIN
MAX
LS5912
MIN
MAX
LS5912C
MIN
MAX
UNIT
CONDITIONS
V
GS1
−
V
GS2
∆
V
GS1
−
V
GS2
∆T
I
DSS1
I
DSS2
Differential Gate to Source
Cutoff Voltage
Differential Gate to Source
Cutoff Voltage Change with
Temperature
Gate to Source Saturation
Current Ratio
Differential Gate Current
Forward Transconductance
Ratio
2
Common Mode Rejection
Ratio
85
10
20
0.95
1
20
0.95
1
0.95
0.95
15
40
1
20
1
0.95
0.95
40
40
1
20
1
mV
µV/°C
%
nA
%
dB
V
DG
= 10V, I
D
= 5mA
V
DG
= 10V, I
D
= 5mA
T
A
= -55 to +125°C
V
DS
= 10V, V
GS
= 0V
V
DG
= 10V, I
D
= 5mA
T
A
= +125°C
V
DS
= 10V, I
D
= 5mA
f
= 1kHz
V
DG
= 5V to 10V
I
D
= 5mA
I
G1
−
I
G2
g
fs1
g
fs2
CMRR
STATIC ELECTRICAL CHARACTERISTICS @25 °C (unless otherwise stated)
SYM.
BV
GSS
V
GS(off)
V
GS(F)
V
GS
I
DSS
I
GSS
I
G
CHARACTERISTIC
Gate to Source Breakdown Voltage
Gate to Source Cutoff Voltage
Gate to Source Forward Voltage
Gate to Source Voltage
Drain to Source Saturation Current
Gate Leakage Current
Gate Operating Current
3
TYP
LS5911
MIN
-25
-1
-5
-4
40
-50
-50
MAX
LS5912
MIN
-25
-1
-0.3
7
-5
-4
40
-50
-50
MAX
LS5912C
MIN
-25
-1
-0.3
7
-5
-4
40
-50
-50
MAX
UNIT
CONDITIONS
I
G
= -1µA, V
DS
= 0V
0.7
-0.3
7
-1
-1
V
V
DS
= 10V, I
D
= 1nA
I
G
= 1mA, V
DS
= 0V
V
DG
= 10V, I
G
= 5mA
V
DS
= 10V, V
GS
= 0V
V
GS
= -15V, V
DS
= 0V
V
DG
= 10V, I
D
= 5mA
mA
pA
Linear Integrated Systems
• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261
DYNAMIC ELECTRICAL CHARACTERISTICS @25 °C (unless otherwise stated)
SYM.
CHARACTERISTIC
TYP
f
= 1kHz
f
= 100MHz
f
= 1kHz
f
= 100MHz
LS5911
MIN
MAX
LS5912
MIN
MAX
LS5912C
MIN
MAX
UNIT
CONDITIONS
g
fs
g
os
C
iss
C
rss
NF
e
n
Forward
Transconductance
Output Conductance
Input Capacitance
4000 10000 4000 10000 4000 10000
4000 10000 4000 10000 4000 10000
100
150
5
1.2
1
100
150
5
1.2
1
20
10
100
150
5
1.2
1
20
10
pF
dB
nV/√Hz
nV/√Hz
µS
V
DG
= 10V, I
D
= 5mA
Reverse Transfer Capacitance
Noise Figure
Equivalent Input
Noise Voltage
f
= 100Hz
f
= 10kHz
V
DG
= 10V, I
D
= 5mA
f
= 1MHz
V
DG
= 10V, I
D
= 5mA
f
= 10kHz, R
G
= 100KΩ
V
DG
= 10V, I
D
= 5mA
f
= 100Hz
V
DG
= 10V, I
D
= 5mA
f
= 10kHz
7
4
20
10
SOT-23
0.95
TO-71
Six Lead
0.35
0.50
2.80
3.00
TO-78
0.230
DIA.
0.209
PDIP
0.060
1
2
8
7
0.375
3
4
6
5
0.100
1
1.90
6
0.195 DIA.
0.175
0.030
MAX.
0.305
0.335
0.335
0.370
2
5
4
0.150
0.115
3
1.50
1.75
2.60
3.00
0.016
0.019
DIM. A
0.016
0.021
DIM. B
0.200
0.029
0.045
2 3
5
1
76
MAX.
0.040 0.165
0.038
0.185
MIN. 0.500
0.250
6 LEADS
0.019 DIA.
0.016
0.100
0.500 MIN.
SEATING
PLANE
0.90
1.30
0.100
0.145
0.170
0.050
0.09
0.20
0.295
0.320
DIMENSIONS IN
INCHES
2 3
1
5
6
7
0.100
45°
0.00
0.15
0.10
0.60
45°
0.046
0.036
SOIC
0.014
0.018
1
2
0.021
3
4
0.150
0.157
8
7
6
5
0.050
0.189
0.196
DIMENSIONS IN
MILLIMETERS
0.048
0.028
0.028
0.034
PDIP-A
S1
D1
SS
G1
1
2
3
4
8
7
6
5
PDIP-B
G2
SS
D2
S2
S1
D1
G1
NC
1
2
3
4
8
7
6
5
NC
G2
D2
S2
0.0040
0.0098
0.2284
0.2440
DIMENSIONS IN
INCHES
SOIC-A
S1
D1
SS
G1
1
2
3
4
8
7
6
5
SOIC-B
G2
SS
D2
S2
0.0075
0.0098
S1
D1
G1
NC
1
2
3
4
8
7
6
5
NC
G2
D2
S2
Please contact the factory
regarding the availability of
optional packages.
1.
2.
3.
Absolute maximum ratings are limiting values above which serviceability may be impaired.
Pulse Test: PW
≤
300µs Duty Cycle
≤
3%
Assumes smaller value in numerator.
Information furnished by Linear Integrated Systems 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.
Linear Integrated Systems
• 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261
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