MC33178_06 Datasheet, PDF (10/19 Pages) ON Semiconductor – Low Power, Low Noise Operational Amplifiers

MC33178, MC33179
20
Input Noise Voltage Test
18
Circuit
+
16
−
V_O
14
12
10
8.0
6.0
4.0
V_CC = +15 V
2.0
V_EE = −15 V
T_A = 25°C
0
10
100
1.0 k
10 k
10 k
f, FREQUENCY (Hz)
Figure 28. Input Referred Noise Voltage
versus Frequency
0.5
Input Noise Current Test Circuit
0.4
+
R_S
−
V_O
0.3
0.2
(R_S = 10 kW)
0.1
V_CC = +15 V
V_EE = −15 V
T_A = 25°C
0
10
100
1.0 k
10 k
f, FREQUENCY (Hz)
100 k
Figure 29. Input Referred Noise Current
versus Frequency
100
90 _{VCC = +15 V}
80 ^VEE ^{= −15 V}
70 ^{TA = 25°C}
60
50
R_L = 600 W
40
R_L = 2.0 kW
30
20
10
0
10
100
1.0 k
10 k
C_L, LOAD CAPACITANCE (pF)
Figure 30. Percent Overshoot versus
Load Capacitance
V_CC = +15 V
V_EE = −15 V
A_V = +1.0
R_L = 600 W
C_L = 100 pF
T_A = 25°C
t, TIME (2.0 ms/DIV)
Figure 31. Non−inverting Amplifier Slew Rate
V_CC = +15 V
V_EE = −15 V
A_V = +1.0
R_L = 600 W
C_L = 100 pF
T_A = 25°C
V_CC = +15 V
V_EE = −15 V
A_V = +1.0
R_L = 600 W
C_L = 100 pF
T_A = 25°C
t, TIME (2.0 ns/DIV)
Figure 32. Small Signal Transient Response
t, TIME (5.0 ms/DIV)
Figure 33. Large Signal Transient Response
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