MC33078 MC33079
Figure 29. Phase Margin and Gain Margin versus
Differential Source Resistance
14
12
Am, GAIN MARGIN (dB)
10
R1
70
Gain
Phase
–
+
VO
60
50
40
30
20
10
8.0
6.0
4.0
2.0
0
R2
VCC = +15 V
VEE = –15 V
RT = R1 +R2
AV = +100
VO = 0 V
TA = 25°C
10
100
1.0 k
10 k
RT, DIFFERENTIAL SOURCE RESISTANCE (Ω)
0
100 k
Figure 30. Inverting Amplifier Slew Rate
V O , OUTPUT VOLTAGE (5.0 V/DIV)
VCC = +15 V
VEE = –15 V
AV = –1.0
RL = 2.0 kΩ
CL = 100 pF
TA = 25°C
V O , OUTPUT VOLTAGE (5.0 V/DIV)
Figure 31. Noninverting Amplifier Slew Rate
VCC = +15 V
VEE = –15 V
AV = +1.0
RL = 2.0 kΩ
CL = 100 pF
TA = 25°C
t, TIME (2.0
µs/DIV)
Figure 32. Noninverting Amplifier Overshoot
e n , INPUT NOISE VOLTAGE (100 nV/DIV)
V O , OUTPUT VOLTAGE (5.0 V/DIV)
VCC = +15 V
VEE = –15 V
RL = 2.0 kΩ
CL = 100 pF
AV = +1.0
TA = 25°C
Figure 33. Low Frequency Noise Voltage
versus Time
VCC = +15 V
VEE = –15 V
BW = 0.1 Hz to 10 Hz
TA = 25°C
t, TIME (200
µs/DIV)
8
MOTOROLA ANALOG IC DEVICE DATA
φ
m , PHASE MARGIN (DEGREES)
t, TIME (2.0
µs/DIV)
t, TIME (1.0 sec/DIV)
MOTOROLA [ MOTOROLA, INC ]
