LS5911 LS5912 LS5912C
IMPROVED LOW NOISE
WIDEBAND MONOLITHIC
DUAL N-CHANNEL JFET
Linear Integrated Systems
FEATURES
Improved Replacement for SILICONIX, FAIRCHILD, &
NATIONAL: 2N5911 & 2N5912
LOW NOISE (10kHz)
TO-71
TO-78
SOT-23
TOP VIEW
BOTTOM VIEW
BOTTOM VIEW
en ~ 4nV/√Hz
gfs ≥ 4000µS
1
2
3
6
5
4
G1
D1
S1
S2
D2
G2
HIGH TRANSCONDUCTANCE (100MHz)
ABSOLUTE MAXIMUM RATINGS1
@ 25 °C (unless otherwise stated)
Maximum Temperatures
Storage Temperature
Operating Junction Temperature
Maximum Power Dissipation
Continuous Power Dissipation (Total)
Maximum Currents
3
1
5
7
3
1
5
7
G1
D1
S1
S2
G1
D1
S1
S2
2
6
2
6
D2
G2
D2
G2
PDIP-A
SOIC-A
PDIP-B
SOIC-B
1
2
3
4
8
1
2
3
4
8
7
6
5
S1
D1
SS
G1
G2
SS
D2
S2
S1
NC
G2
D2
S2
-65 to +150 °C
-55 to +150 °C
7
6
5
D1
G1
NC
500mW
50mA
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
S1
D1
SS
G1
G2
SS
D2
S2
S1
D1
G1
NC
NC
G2
D2
S2
Gate Current
Maximum Voltages
Gate to Drain
Gate to Source
-25V
-25V
MATCHING ELECTRICAL CHARACTERISTICS @25 °C (unless otherwise stated)
LS5911
LS5912
LS5912C
SYMBOL
CHARACTERISTIC
TYP
UNIT CONDITIONS
MIN MAX MIN MAX MIN MAX
Differential Gate to Source
Cutoff Voltage
V
GS1 − VGS2
10
20
15
40
40
mV
V
DG = 10V, ID = 5mA
DG = 10V, ID = 5mA
Differential Gate to Source
Cutoff Voltage Change with
Temperature
∆ VGS1 − VGS2
∆T
V
40 µV/°C
TA = -55 to +125°C
I
I
DSS1
Gate to Source Saturation
0.95
0.95
1
20
1
0.95
0.95
1
20
1
0.95
0.95
1
20
1
%
nA
%
VDS = 10V, VGS = 0V
Current Ratio
DSS2
VDG = 10V, ID = 5mA
TA = +125°C
I
G1 −IG2
Differential Gate Current
g
fs1
Forward Transconductance
Ratio2
VDS = 10V, ID = 5mA
f = 1kHz
g
fs2
Common Mode Rejection
VDG = 5V to 10V
CMRR
85
dB
Ratio
ID = 5mA
STATIC ELECTRICAL CHARACTERISTICS @25 °C (unless otherwise stated)
LS5911
LS5912
LS5912C
SYM.
CHARACTERISTIC
TYP
UNIT CONDITIONS
IG = -1µA, VDS = 0V
MIN MAX MIN MAX MIN MAX
BVGSS Gate to Source Breakdown Voltage
VGS(off) Gate to Source Cutoff Voltage
-25
-1
-25
-1
-25
-1
-5
-5
-5
VDS = 10V, ID = 1nA
IG = 1mA, VDS = 0V
VDG = 10V, IG = 5mA
VDS = 10V, VGS = 0V
VGS = -15V, VDS = 0V
VDG = 10V, ID = 5mA
V
VGS(F)
VGS
IDSS
IGSS
IG
Gate to Source Forward Voltage
Gate to Source Voltage
0.7
-0.3
7
-4
40
-0.3
7
-4
40
-0.3
7
-4
40
Drain to Source Saturation Current3
Gate Leakage Current
mA
pA
-1
-1
-50
-50
-50
-50
-50
-50
Gate Operating Current
Linear Integrated Systems • 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261