ICs for Audio Common Use
AN7337N
7-Element Graphic Equalizer IC for Hi-Fi
s
Overview
The AN7337N is a graphic equalizer IC for high perfor-
mance Hi-Fi developed for deck. It incorporates output
buffer circuit and 7 resonance buffer circuits, can set res-
onance frequency by external capacitor.
1
2
3
4
5
6
7
8
9
10
6.35±0.3
3.25±0.3
20
19
18
17
16
15
14
13
12
11
Unit : mm
0.5±0.25
1.22±0.25
0.6±0.25
3.85±0.25
3.0±0.25
–
0.25
1
+ 0. 5
0.0
s
Features
•
Low noise : V
no
= 4µVrms typ.
•
Low distortion : THD = 0.002% typ. (at V
O
= 1Vrms)
•
High output power : V
O
(max.)
= 9.5Vrms typ. (at. THD =
0.1%)
•
Wide operating supply voltage range : V
CC (opr.)
= ±4 ~
±18V
25.0±0.3
3 ~15˚
7.62±0.25
20-Lead DIP Package (DIP020-P-0300A)
s
Block Diagram
–V
CC
20
GND
19
+V
CC
18
17
16
15
14
13
12
11
Output Buffer
–
+
–
+
Resonance
Section7
–
+
Resonance
Section6
Resonance
Section5
+
–
Resonance
Section1
+
–
Resonance
Section2
+
–
Resonance
Section3
+
–
Resonance
Section4
+
–
1
2
3
4
5
6
7
8
9
10
2.54
PANASONIC [ PANASONIC SEMICONDUCTOR ]
