MC33078
DUAL HIGH-SPEED LOW-NOISE OPERATIONAL AMPLIFIER
SLLS633C–OCTOBER 2004–REVISED NOVEMBER 2006
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TYPICAL CHARACTERISTICS (continued)
INPUT REFERRED NOISE VOLTAGE
GAIN AND PHASE MARGIN
vs
DIFFERENTIAL SOURCE RESISTANCE
vs
SOURCE RESISTANCE
16
14
12
10
8
64
60
56
52
48
44
40
36
32
28
24
20
16
12
8
1000
100
10
VCC+ = 15 V
VCC– = –15 V
f = 1 Hz
TA = 25°C
Phase Margin
Gain Margin
6
VCC+ = 15 V
VCC– = –15 V
AV = 100
4
VO = 0 V
2
TA = 25°C
4
1
0
0
1.E+01
10
1.E+02
100
1.E+03
1k
1.E+04
10k
1.E+05
100k
1.E+06
1M
0
0
1
1
10
10
100
100
1k
1000
10k 100k
10000 100000
W
RS – Source Resistance – è
W
RSD – Differential Source Resistance – è
LARGE SIGNAL TRANSIENT RESPONSE
(AV = 1)
LARGE SIGNAL TRANSIENT RESPONSE
(AV = –1)
Input
Input
55
10
55
45
35
25
15
5
10
45
35
25
15
5
0
0
-10
-20
-30
-40
-50
-60
-10
VCC+ = 15 V
VCC+ = 15 V
VCC– = –15 V
AV = 1
VCC– = –15 V
AV = –1
-20
-30
-40
-50
-60
RL = 2 kW
CL = 100 pF
TA = 25°C
RL = 2 kW
CL = 100 pF
TA = 25°C
Output
Output
-5
-5
-15
-15
-2
2
6
10
14
18
22
-2
2
6
10
14
18
22
Time – µs
Time – µs
12
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