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PDF BA3308 Data sheet ( Hoja de datos )
| Número de pieza | BA3308 | |
| Descripción | DUAL PREAMPLIFIER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UTC BA3308
LINEAR INTEGRATED CIRCUIT
DUAL PREAMPLIFIER WITH ALC
DESCRIPTION
The UTC BA3308 is designed to have dual preamplifier
ICs with built – in ALC circuits for use in stereo amplification.
The preamplifiers have high gain and low distortion. A built-in
rectifier for ALC circuit implies good channel balance and
large dynamic range can be constructed with addition of just
an external time constant circuit.
SIP-9
FEATURES
* Wide operating power supply voltage range
(VCC =6.0V ~ 14V)
* Power-on mute circuit to avoid “pop” noise generation.
* No input coupling capacitors are necessary
* High gain (GVO=80dB)and low noise (VNIN=1µVrms)
* Low distortion (THD=0.1%)
* Good ALC channel balance with built-in ALC rectifier diode
* Adjustable ALC dynamic range by external input resistor.
BLOCK DIAGRAM
SIP-9
SOP-14
*Pb-free plating product number: BA3308L
-ch1
+
www.DataSheet4U.com
MUTE
ALC
ch2-
+
1234
NF1 INPUT1 OUTPUT1 GND
5
ALC
678
Vcc OUTPUT2 INPUT2
9
NF2
SOP-14
OUTPUT1
GND
N.C.
ALC
VCC
N.C.
OUTPUT2
1
2
3
4
5
6
7
Vcc
ALC
14 N.C.
+ 13 INPUT1
- 12 N.C.
11 NF1
- 10 NF2
+ 9 INPUT2
8 N.C.
UTC UNISONIC TECHNOLOGIES CO., LTD. 1
www.unisonic.com.tw
QW-R107-015,A
1 page  
UTC BA3308
LINEAR INTEGRATED CIRCUIT
Cont
+
- ch1
(ch2)
ch2
(ch1)
ch2
(ch1)
2 (8)
1 (9)
R1(R1)
3.9kΩ
C1(C2) +
10 F
R3(R4)
39Ω
C3(C4) +
100 F
INPUT
3 (7)
R5(R6)
18kΩ
C5(C6) +
10 F
5
+
C7(C8)
22 F
R7(R8)
1MΩ
OUTPUT
Fig.1
ch1
(ch2)
+
-
ch2
(ch1)
ch2
(ch1)
+
C- omp
Cont
4.5VF
VOUT (DC+AC)
3 (7)
3VF
5
R7
+
C7
2 (8)
R1
(R2)
Fig.2
UTC UNISONIC TECHNOLOGIES CO., LTD. 5
www.unisonic.com.tw
QW-R107-015,A
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet BA3308.PDF ] | |
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