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PDF AN7333S Data sheet ( Hoja de datos )
| Número de pieza | AN7333S | |
| Descripción | 4-Element Graphic Equalizer IC for Radio/Radio Cassette Recorder | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for Audio Common Use
AN7333S
4-Element Graphic Equalizer IC for Radio/Radio Cassette Recorder
I Overview
The AN7333S is an integrated circuit for 4-
element graphic equalizers most suitable for radio
cassette / portable component stereo equipment.
2-channel 4-element graphic equalizer can be
configured by applying frequency setting capacitors
and variable resistors externally. Non-step adjust-
ment of the boost and the cutting quantitiy is possible
by variable resistors.
I Features
• The resonance frequency can be freely set by op-
tional selection of the capacitor capacitance.
• Low distortion rate: THD = 0.04% (VCC = 5 V)
• Wide dynamic range: VO = 800 mV[rms] (at Boost
THD = 1%)
• Low noise level: Vno = 10 µV (VCC = 5V)
Unit: mm
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
12 13
0.3 7.2±0.3
9.4±0.3
SOP024-P-0375A
Note) The package of this product will be changed to lead-free type
(SOP024-P-0375C). See the new package dimensions section
later of this datasheet.
I Block Diagram
GND
24 23 22 21 20 19 18 17 16 15 14 13
12
VCC
3
456
7 8 9 10 11 12
Publication date: December 2001
SDC00022BEB
1
1 page  
I Application Circuit Example
In 2 10 µF
4.7 kΩ
10 µF
0.0047 µF
Out 2
10 kΩ
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
0.68 µF
0.056 µF
0.22 µF
0.018 µF
0.068 µF
0.0056 µF
0.022 µF
0.0018 µF
24 23 22 21 20 19 18 17 16 15 14 13
AN7333S
0.012 µF
470 Ω
AN7333S
1 2 3 4 5 6 7 8 9 10 11 12
VCC 0.056 µF 0.018 µF 0.0056 µF 0.0018 µF
0.68 µF
0.22 µF
0.068 µF 0.022 µF
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
50 kΩ VR
10 µF
4.7 kΩ
10 µF
0.0047 µF
• Resonant frequency fo
Out 1
10 kΩ
0.012 µF
470 Ω
Note) VR is B or G type.
In Out
50 kΩ VR
6.8 kΩ
R1 = 1 kΩ
C1 C2
R2 = 60 kΩ
fO =
1
2 π √ C1 × C2 × R1 × R2
(Internal resistance: R1 = 1 kΩ, R2 = 60 kΩ)
* Internal resistance: As R1 and R2 of internal resistors are common in each oscillation circuit,
fO can be adjustable from an external capacitor.
* Gain can be adjusted by the 50 kΩ variable resistor.
SDC00022BEB
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AN7333S.PDF ] | |
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