MC3403, MC3303
300
I IB, INPUT BIAS CURRENT (nA)
V
CC
= 15 V
V
EE
= −15 V
T
A
= 25°C
I IB , INPUT BIAS CURRENT (nA)
170
200
160
100
−75 −55
−35
−15
5.0
25
45
65
85
105 125
150
0
2.0
4.0
6.0
8.0
10
12
14
16
18
20
T, TEMPERATURE (°C)
V
CC
AND (V
EE
), POWER SUPPLY VOLTAGES (V)
Figure 7. Input Bias Current
versus Temperature
Figure 8. Input Bias Current
versus Supply Voltage
V
CC
V
CC
10 k
R2
−
50 k
1N914
5.0 k
1/2
MC3403
+
10 k
R1
V
O
10 k
V
ref
−
1/2
1N914
V
CC
V
O
f
o
=
R
C
1
2pRC
MC3403
+
R1
V
O
= R1 +R2
1
V
O
=
V
2
CC
V
ref
=
1
V
2
CC
R
C
For: f
o
= 1.0 kHz
R = 16 kW
C = 0.01
mF
Figure 9. Voltage Reference
Figure 10. Wien Bridge Oscillator
e
1
+
MC3403
−
−
1/2
1
R
C
R2
R
V
ref
1/2
Hysteresis
V
OH
R1
−
R1
a R1
MC3403
+
b R1
−
1/2
MC3403
+
1
R
C
e
o
V
in
V
inL
=
V
inH
=
MC3403
+
R1
(V
OL
−V
ref
) +V
ref
R1 +R2
R1
(V
OH
−V
ref
) +V
ref
R1 +R2
R1
(V
OH
−V
OL
)
R1 +R2
1/2
V
O
V
O
V
OL
V
inL
V
ref
V
inH
e
2
R
V
h
=
e
o
= C (1 +a +b) (e
2
−e
1
)
Figure 11. High Impedance Differential
Amplifier
Figure 12. Comparator with Hysteresis
http://onsemi.com
6
ONSEMI [ ON SEMICONDUCTOR ]
