MC33078, MC33079
A VOL, OPEN LOOP VOLTAGE GAIN (dB)
110
| Z O |, OUTPUT IMPEDANCE (
Ω
)
V
CC
= +15 V
V
EE
= −15 V
R
L
= 2.0 kW
f
≤
10 Hz
DV
O
= −10 V to +10 V
50
40
V
CC
= +15 V
V
EE
= −15 V
V
O
= 0 V
T
A
= 25°C
105
30
20
10
0
1.0 k
A
V
= 1000
100
95
A
V
= 100
100 k
A
V
= 10
1.0 M
A
V
= 1.0
10 M
90
−55
−25
0
25
50
75
100
125
10 k
T
A
, AMBIENT TEMPERATURE (°C)
f, FREQUENCY (Hz)
Figure 18. Open Loop Voltage Gain
versus Temperature
Figure 19. Output Impedance
versus Frequency
CS, CHANNEL SEPARATION (dB)
MC33078
150
140
130
120
110
100
10
100
1.0 k
f, FREQUENCY (Hz)
100
W
10 kW
−
+
100
W
Measurement Channel
V
OM
MC33079
Drive Channel
V
CC
= +15 V
V
EE
= −15 V
R
L
= 2.0 KW
DV
OD
= 20 V
pp
T
A
= 25°C
THD, TOTAL HARMONIC DISTORTION (%)
160
1.0
V
CC
= +15 V
V
EE
= −15 V
V
O
= 1.0 Vrms
T
A
= 25°C
−
+
V
O
2.0 kW
0.1
0.01
CS = 20 Log
10 k
DV
OA
DV
OM
100 k
0.001
10
100
1.0 k
f, FREQUENCY (Hz)
10 k
100 k
Figure 20. Channel Separation
versus Frequency
Figure 21. Total Harmonic Distortion
versus Frequency
THD, TOTAL HARMONIC DISTORTION (%)
1.0
A
V
= 100
R
A
V
in
−
+
10 kW
V
O
2.0 kW
SR, SLEW RATE (V/
μ
s)
V
CC
= +15 V
V
EE
= −15 V
0.5 f = 2.0 kHz
T
A
= 25°C
0.1
0.05
0.01
0.005
0.001
10
A
V
= 1000
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
DV
in
−
+
V
O
2.0
kW
V
in
= 2/3 (V
CC
−V
EE
)
T
A
= 25°C
Falling
Rising
A
V
= 10
A
V
= 1.0
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
V
O
, OUTPUT VOLTAGE (Vrms)
8.0
9.0
4
6
8
10
12
14
16
V
CC
|V
EE
| , SUPPLY VOLTAGE (V)
18
20
Figure 22. Total Harmonic Distortion
versus Output Voltage
Figure 23. Slew Rate versus Supply Voltage
http://onsemi.com
7
ONSEMI [ ON SEMICONDUCTOR ]
