MC33078 MC33079
Figure 17. Open Loop Voltage Gain
versus Temperature
A VOL, OPEN LOOP VOLTAGE GAIN (dB)
110
| Z O |, OUTPUT IMPEDANCE (
Ω
)
VCC = +15 V
VEE = –15 V
RL = 2.0 kΩ
f
≤
10 Hz
∆V
O = –10 V to +10 V
50
VCC = +15 V
VEE = –15 V
40
VO = 0 V
TA = 25°C
30
20
10
0
1.0 k
AV = 1000
Figure 18. Output Impedance
versus Frequency
105
100
95
AV = 100
100 k
AV = 10
1.0 M
AV = 1.0
10 M
90
–55
–25
0
25
50
75
100
125
10 k
TA, AMBIENT TEMPERATURE (°C)
f, FREQUENCY (Hz)
Figure 19. Channel Separation
versus Frequency
CS, CHANNEL SEPARATION (dB)
MC33078
150
140
130
120
110
100
10
100
Ω
10 kΩ
–
+
100
Ω
Measurement Channel
VOM
Figure 20. Total Harmonic Distortion
versus Frequency
THD, TOTAL HARMONIC DISTORTION (%)
1.0
VCC = +15 V
VEE = –15 V
VO = 1.0 Vrms
TA = 25°C
–
+
VO
2.0 kΩ
160
MC33079
Drive Channel
VCC = +15 V
VEE = –15 V
RL = 2.0 KΩ
∆V
OD = 20 Vpp
TA = 25°C
0.1
0.01
CS = 20 Log
10 k
∆V
OA
∆V
OM
100 k
0.001
10
100
1.0 k
f, FREQUENCY (Hz)
10 k
100 k
100
1.0 k
f, FREQUENCY (Hz)
Figure 21. Total Harmonic Distortion
versus Output Voltage
THD, TOTAL HARMONIC DISTORTION (%)
1.0
VCC = +15 V
VEE = –15 V
0.5 f = 2.0 kHz
TA = 25°C
0.1
0.05
0.01
0.005
0.001
AV = 10
AV = 1.0
10
AV = 1000
AV = 100
RA
Vin
–
+
10 kΩ
VO
2.0 kΩ
Figure 22. Slew Rate versus Supply Voltage
Vin = 2/3 (VCC –VEE)
TA = 25°C
Falling
Rising
SR, SLEW RATE (V/
µ
s)
8.0
6.0
4.0
2.0
0
5.0
–
∆V
in
+
VO
2.0 kΩ
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
VO, OUTPUT VOLTAGE (Vrms)
8.0
9.0
10
15
VCC |VEE| , SUPPLY VOLTAGE (V)
20
6
MOTOROLA ANALOG IC DEVICE DATA
ONSEMI [ ON SEMICONDUCTOR ]
