MC33078_11 Datasheet, PDF (8/14 Pages) ON Semiconductor – Low Noise Dual/Quad Operational Amplifiers

MC33078, MC33079, NCV33078, NCV33079
10
V_CC = +15 V
V_EE = -15 V
DV_in = 20 V
8.0
6.0
Falling
Rising
-
4.0
DV_in
+
V_O
2.0
kW
2.0
-55
-25 0
25 50
75
100 125
T_A, AMBIENT TEMPERATURE (°C)
Figure 24. Slew Rate versus Temperature
120
0
V_CC = +15 V
100
V_EE = -15 V
R_L = 2.0 kW
T_A = 25°C
45
80
60
Phase
90
Gain
40
135
20
0
180
1.0 10 100 1.0 k 10 k 100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 25. Voltage Gain and Phase
versus Frequency
14
0
-
12 V_in +
V_O
10
10
2.0 kW
C_{L 25°C}
Phase
-55°C
20
8.0
30
6.0
125°C _125°C
40
4.0
V_CC = +15 V
2.0 _{VEE = -15 V}
V_O = 0 V
0
25°C -55°C
Gain
1
10
100
C_L, OUTPUT LOAD CAPACITANCE (pF)
50
60
70
1000
Figure 26. Open Loop Gain Margin and
Phase Margin versus Load Capacitance
100
80
60
40
20
0
10
-
DV_in
+
V_O
C_L
125°C
25°C
- 55°C
V_CC = +15 V
V_EE = -15 V
DV_in = 100 mV
100
1.0 k
10 k
C_L, OUTPUT LOAD CAPACITANCE (pF)
Figure 27. Overshoot versus Output
Load Capacitance
100
10
80
50
V_CC = +15 V
V_EE = -15 V
30
T_A = 25°C
20
10
8.0
5.0
Voltage
3.0
2.0
Current
1.0
10
100
1.0 k
10 k
f, FREQUENCY (Hz)
0.1
100 k
Figure 28. Input Referred Noise Voltage and
Current versus Frequency
1000
V_CC = +15 V
V_EE = -15 V
f = 1.0 kHz
100
T_A = 25°C
V_n(total) =
Ǹ_{(inRs)2 }
) 
en2 
) 
4KTRS
10
1.0
10
100
1.0 k
10 k
100 k 1.0 M
R_S, SOURCE RESISTANCE (W)
Figure 29. Total Input Referred Noise Voltage
versus Source Resistance
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