Advanced Analog Circuits
Data Sheet
AZ4580
DUAL LOW NOISE OPERATIONAL AMPLIFIERS
Typical Characteristics
120
110
30
Open Loop Voltage Gain (dB)
100
90
80
70
60
50
40
30
20
10
0
1
10
100
1k
10k
V
CC
= 15V, V
EE
= -15V
R
L
=2K
Ω
,T
A
=25 C
o
25
Output Voltage Swing (V)
20
V
CC
= 15V,V
EE
= -15V
R
L
=2K
Ω
, T
A
=25 C
o
15
10
5
100k
1M
10M
0
100
1k
10k
100k
1M
10M
Frequency (Hz)
Frequency (H z)
Figure 4. Open Loop Voltage Gain vs. Frequency
Figure 5. Maximum Output Voltage Swing vs. Frequency
30
28
20
Output Voltage Swing (V)
26
24
22
20
18
16
14
12
0.1
1
10
Equivalent Input Noise Voltage (nV/(Hz) )
0.5
15
V
CC
= 15V,V
EE
= -15V,
T
A
=25 C
o
V
CC
= 15V, V
EE
= -15V
R
S
=50
Ω
,T
A
=25 C
10
o
5
0
1
10
100
1k
Load Resistance (K
Ω
)
Frequency (Hz)
Figure 6. Maximum Output Voltage Swing
vs. Load Resistance
Figure 7. Equivalent Input Noise Voltage
vs. Frequency
Issue Date: Jan. 2003
5
Rev.1.0
ETC [ ETC ]
