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PDF AN7367K Data sheet ( Hoja de datos )
| Número de pieza | AN7367K | |
| Descripción | dbx II Noise Reduction IC for Cassette Deck | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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ICs for Cassette, Cassette Deck
AN7367K
dbx II Noise Reduction IC for Cassette Deck
s Overview
The AN7367K is an integrated circuit available for
stereo operation on a single chip developed for dbx II
type noise reduction, which can also use for U.S. sound
multiplex TV. And it is designed for easy use of reference
signal level, supply voltage and logic input level.
s Features
• Dynamic range : 110dB
• 2-channel
• Reference input-output signal level : 90mV
• 2 power supply type (+, –)
Unit : mm
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
8.4±0.3
4.8±0.25
1.05±0.25
3.05±0.25
3 ~ 15˚ 10.16±0.25
0.3 +–00..105
28-Lead SDIP Package (SDIP028-P-0400A)
s Block Diagram
+VCC
28 27 26 25 24 23 22 21 20 19 18 17 16 15
+A–
BDE
E OD E OD
–B+
+C–
E OD
–D+
+E–
EOD
–F+
L.S
1 2 3 4 5 6 7 8 9 10 11 12 13 14
GND
–VCC
1 page  
ICs for Cassette, Cassette Deck
s Pin Description (Cont.)
Pin No.
Pin Name
Typ. Waveform
Description
11
· Level Sensor Input
18
–5.2V
Level sensor input pin
AN7367K
Equivalent Circuit
11
18
12
· Timing Capacitor
17
–5.3V
Level sensor smoothing pin
12
17
13
Timing Current
Adjusting Pin
15
dbx ON/OFF
Switching
Adjust the timing current by
external variable resistance.
1kΩ
13
High– dbx ON
Low– dbx OFF
103µA
15
3.7kΩ
16
Encode/
Decode Switching
1 GND
14 (–) Power Supply
28 (+) Power Supply
High – Encode
Low– Decode
103µA
16
3.7kΩ
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet AN7367K.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AN7367K | dbx II Noise Reduction IC for Cassette Deck | Panasonic Semiconductor |
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