AN733 Просмотр технического описания (PDF) - Panasonic Corporation
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AN733 Datasheet PDF : 4 Pages
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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.
s Features
• Low noise : Vno = 4µVrms typ.
• Low distortion : THD = 0.002% typ. (at VO = 1Vrms)
• High output power : VO (max.) = 9.5Vrms typ. (at. THD =
0.1%)
• Wide operating supply voltage range : VCC (opr.) = ±4 ~
±18V
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
6.35±0.3
Unit : mm
0.6±0.25
3.85±0.25 3.0±0.25
3 ~15˚ 7.62±0.25
0.25+–00.1.05
20-Lead DIP Package (DIP020-P-0300A)
s Block Diagram
–VCC
GND
+VCC
20
19
18
17
16
15
14
13
12
11
Resonance
Section1
+
–
–
+
Output Buffer
Resonance
Section2
+
–
Resonance
Section3
+
–
–
+
Resonance
Section7
Resonance
Section4
+
–
–
+
Resonance
Section6
Resonance
Section5
+
–
1
2
3
4
5
6
7
8
9
10
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