Diodes AZ4558C - Manual (Page 7)

7
Jan. 2013 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
Data Sheet
DUAL BIPOLAR OPERATIONAL AMPLIFIERS AZ4558C
Typical Application
Figure 10. Typical Application of AZ4558C in Audio 2nd Order Low Pass Filter
(f
O
=50.6kHz, Q=0.7015, Input impedance=10K, Gain=6dB, Group delay=4.48 μs)
V
CC
=+12V
C3
0.1
μF
C6
0.1 μF
GND
GND
V
OUT
V
IN
R1 20K 1%
C4
22 μF/25V
GND
C5
1000pF
C2
22 μF/
25V
R3 3.3K 1% R2 10K 1%
C1 150pF
+
3 (5)
-
2 (6)
8
4
OUT
1 (7)
AZ4558C
GND
GND
R4
6.8K
V
EE
=-12V
R5
10K