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AN7352 Datasheet(PDF) 1 Page - Panasonic Semiconductor

Part # AN7352
Description  Playback Pre-amplifier for Stereo Cassette Deck
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Manufacturer  PANASONIC [Panasonic Semiconductor]
Direct Link  http://www.panasonic.com/industrial/
Logo PANASONIC - Panasonic Semiconductor

AN7352 Datasheet(HTML) 1 Page - Panasonic Semiconductor

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ICs for Cassette, Cassette Deck
s Overview
The AN7352S is a bipolar IC developed as a playback
pre-amplifier of analogue cassette deck. Particularly in
order to support the automatic adjustment, it incorporates
various volume filter circuits and control functions. Also, it
has realized great reduction of external parts required.
s Features
Variable volume circuits for playback gain adjustment
built-in
Various equalizer switching circuit built-in
Series mute circuit built-in
MS (head locating) amp. comparator circuit built-in
AN7352S
Playback Pre-amplifier for Stereo Cassette Deck
1
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5
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7
8
9
10
11
12
13
14
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19
20
21
22
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26
27
28
0.3
9.4
±0.3
Unit : mm
7.2
±0.3
28-Lead SOP Package (SOP028-P-0375A)
Pin No.
Pin Name
21
22
23
24
25
26
27
28
P/R LOGIC
PB Monitor Output
120
µ/ 70µ ( × 2) NF SW
120
µ/ 70µ ( × 1) NF SW
PB NF Input (L Ch.)
PB T2 Input (L Ch.)
PB T1 Input (L Ch.)
GND
Pin No.
Pin Name
1
2
3
4
5
6
7
8
9
10
–VCC
PB T1 Input (R Ch.)
PB T2 Input (R Ch.)
PB NF Input (R Ch.)
120
µ/ 70µ ( × 2) NF SW
120
µ/ 70µ ( × 1) NF SW
PB Monitor Output
T1/ T2 LOGIC
120
µ/ 70µ LOGIC
PB Output (R Ch.)
s Pin Name
Pin No.
Pin Name
11
12
13
14
15
16
17
18
19
20
Volume Control (R Ch.)
MS Input
+VCC
MS NF Input
MS Output
MS De-coupling
MS GND
Volume Control (L Ch.)
PB Output (L Ch.)
× 1/ × 2 LOGIC
28
1
3
10
13
14
11
12
4
5
7
8
9
26
25
24
23
22
21
20
19
18
17
16
15
27
2
6
CTL
120
µ/
70
µ
T1/
T2
P/ R
× 1/
× 2
CTL
1k
47k
22k
+
+
+
GND
+VCC
–VCC
s Block Diagram


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