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PDF S4308 Data sheet ( Hoja de datos )
| Número de pieza | S4308 | |
| Descripción | Audio IC | |
| Fabricantes | AUK | |
| Logotipo |  |
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Semiconductor
S4308
Audio IC
◈ Description
The S4308 is a single preamplifier IC with built-in ALC circuit, and has been designed for use in stereo
radio-cassette recorders and tape recorders. The preamplifier has high gain and low distortion, and can
be directly coupled to the tape head without coupling capacitors. This prevents tape head magnetization
and pop noise generation. A built-in rectifier means that an ALC dynamic range can be constructed with
addition of just an external time constant circuit. The IC also includes power-on mute circuits that
suppress pop noise generation.
◈ Features
• Built-in ALC rectifier diode
• Wide operating power supply voltage range (VCC=5V to 14V)
• Low current dissipation (IQ=2.1mA)
• High gain (GVO=80dB)
• Low distortion (THD=0.1%)
• Low noise (VNIN=1μVrms)
• Input coupling capacitor unnecessary.
• Power-on mute circuit.
• ALC dynamic range can be varied by the addition of an external input resistor.
◈ Applications
• Stereo radio cassette recorders, cassette decks and home stereo systems and music centers.
◈ Ordering Information
Type NO.
S4308
Marking
308 □
①②
①Device Code ②Year&Week Code
Package Code
SOT-26
◈ Absolute Maximum Ratings
Characteristics
Power Dissipation
Operating Ambient Temperature
Storage Temperature
Maximum Supply Voltage
Symbol
Pd
Ta
Tstg
Vcc(max)
Value
200
-25 ~ 75
-55 ~ 125
15
Unit
mW
℃
℃
V
KSD-I5P010-000
1
1 page  
◈ Electrical Characteristic Curves
Fig. 1 IQ – VCC
4
3
2
1
0
5 6 7 8 9 10 11 12 13 14 15
Power Supply Voltage Vcc [V]
S4308
Fig. 2 IQ – Ta
3
2
Vcc=7V
1
0
-50
-25 0 25 50 75
Ambient Temperature Ta [℃]
100
Fig. 3 Gv – f
90
80
70
60
50
40
30
20
10
0
0.01
GVO
VCC=7V
RL=10KΩ
NAB
0.1 1 10
Frequency f [khz]
100
Fig. 4 VOUT – VMUTE
2.5
2
1.5
Mute OFF
Mute ON
1
0.5
0
2.5
3 3.5 4 4.5 5
Mute ON/OFF Voltage Vcc [V]
5.5
Fig. 5 ALC range – Ta
70
60
50
40
30
20
10
0
-50
VCC=7V
f=1KHz
RL=10KΩ
-25 0 25 50 75
Ambient Temperature Ta [℃]
100
Fig. 6 GVC – Ta
50
45
40
35
30
25
20
15
10
5
0
-50
NAB
VCC=7V
f=1KHz
RL=10KΩ
-25 0 25 50 75
Ambient Temperature Ta [℃]
100
KSD-I5P010-000
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet S4308.PDF ] | |
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