Data Sheet

J111 / J112 / J113 / MMBFJ111 / MMBFJ112 / MMBFJ113 — N-Channel Switch
Typical Performance Characteristics (Continued)
Figure 9. On Resistance vs. Drain Current Figure 10. Normalized Drain Resistance vs.
Bias Voltage
Figure 11. Transconductance vs. Drain Current
Figure 12. Output Conductance vs. Drain Current
Figure 13. Capacitance vs. Voltage Figure 14. Noise Voltage vs. Frequency
12 51020 50100
10
20
50
100
I - DRAIN CURRENT (mA)
r - DRAIN "ON" RESISTANCE
D
DS
V
TYP = - 7.0V
GS(off)
25°C
(
Ω
)
125°C
25°C
125°C
r @ V = 0
GS
- 55°C
DS
V
TYP = - 2.0V
GS(off)
- 55°C
0 0.2 0.4 0.6 0.8 1
1
2
5
10
20
50
100
V /V - NORMALIZED GATE-SOURCE VOLTAGE (V)
r - NORMALIZED RESISTANCE
GS
DS
r =
DS
V @ 5.0V, 10
μ
A
GS(off)
r
DS
________
V
GS(off)
V
GS
1 -
GS(off)
(
Ω ) Ω ) Ω ) Ω )
Ω )
0.1 1 10
1
10
100
I - DRAIN CURRENT (mA)
g - TRANSCONDUCTANCE (mmhos)
D
fs
V = - 1.4V
GS(off)
T = 25°C
V = 15V
f
= 1.0 kHz
A
DG
V = - 3.0V
GS(off)
0.01 0.1 10
0.1
1
10
100
I - DRAIN CURRENT (mA)
g - OUTPUT CONDUCTANCE ( mhos)
D
os
V = - 5.0V
GS(off)
T = 25°C
f = 1.0 kHz
V = 5.0V
DG
μ
A
10V
15V
20V
5.0V
V = - 2.0V
GS(off)
V = - 0.85V
GS(off)
10V
15V
20V
10V
15V
20V
5.0V
-20-16-12-8-40
1
10
100
V - GATE-SOURCE VOLTAGE (V)
C (C ) - CAPACITANCE (pF)
rs
GS
is
C (V = 0)
is
DS
C (V = 20)
is
DS
C (V = 0)
rs
DS
f = 0.1 - 1.0 MHz
0.01 1 10 100
1
5
10
50
100
f - FREQUENCY (kHz)
e - NOISE VOLTAGE (nV / Hz)
n
V = 15V
BW = 6.0 Hz @ f = 10 Hz, 100 Hz
= 0.21 @ f
≥
1.0 kHz
DG
I = 10 mA
D
I = 1.0 mA
D
√
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