2N3905_01 Datasheet, PDF (4/6 Pages) Fairchild Semiconductor – PNP General Purpose Amplifier

Typical Characteristics (continued)
PNP General Purpose Amplifier
(continued)
Noise Figure vs Frequency
6
V _CE = 5.0V
5
4
3
I _C = 100 µA, R _S = 200Ω
2
I _C = 1.0 mA, R _S = 200Ω
1
I _C = 100 µA, R _S = 2.0 kΩ
0
0.1
1
10
100
f - FREQUENCY (kHz)
Switching Times
vs Collector Current
500
100
ts
tf
10
I_B1= I_B2=
I_c
10
tr
td
1
1
10
100
I _C - COLLECTOR CURRENT (mA)
Noise Figure vs Source Resistance
12
V _CE = 5.0V
10
f = 1.0 kHz
8
I _C = 1.0 mA
6
4
I _C = 100 µA
2
0
0.1
1
10
100
R _S - SOURCE RESISTANCE ( kΩ )
Turn On and Turn Off Times
vs Collector Current
500
100
t _off
t _on
I _B1 =
I_c
10
t _on
10 ^{VBE(OFF)= 0.5V}
t _off
I_B1= I _B2=
I_c
10
1
1
10
100
I - COLLECTOR CURRENT (mA)
Power Dissipation vs
Ambient Temperature
1
0.75
TO-92
SOT-223
0.5
SOT-23
0.25
0
0
25
50
75
100
125
150
TEMPERATURE (^o C)