Advanced Analog Circuits
Data Sheet
AZ4558A
DUAL LOW NOISE OPERATIONAL AMPLIFIERS
Typical Performance Characteristics (Continued)
80
1.2
1.1
1.0
70
60
Offset Voltage (mV)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-25
0
25
50
o
Bias Current (nA)
50
40
30
20
10
0
V
CC
=15V
V
EE
=-15V
V
CC
=15V
V
EE
=-15V
75
100
125
-25
0
25
50
75
o
100
125
Ambient Temperature ( C)
Ambient Temperature ( C)
Figure 8. Input Offset Voltage vs. Temperature
Figure 9. Input Bias Current vs. Temperature
Typical Applications
BOOST-BASS-CUT
R1 11K
V
i
C1
0.05µF
C2
0.05µF
R2 100K
R3 11K
R4 11K
-
C3
0.005µF
1/2 AZ4558A
+
V
O
R5 3.6K
R6 500K
BOOST-TREBLE-CUT
R7 3.6K
Figure 10. Tone Control
August 2003
6
Rev.1.1
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
