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Rohm Semiconductor Electronic Components Datasheet

BA3308FV Datasheet

Preamps

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BA3308FV pdf
Audio Accessory ICs
Preamps with Built-in ALC
BA3308F,BA3308FV
No.11087ECT01
Description
The BA3308F/FV is a dual preamplifier for recording and playback with ALC (auto level control), developed for stereo radio,
cassette recorders, tape recorders, and other pre amplifiers audio applications.
ALC circuit has a build in rectification circuit with wide adjustable dynamic range, high gain, low distortion amplifiers with
direct coupling and mute circuit, used to cut off pop noise during power on.
Available in SOP14, or SSOP-B14 Packages.
Features
1) Built-in ALC rectification diode
2) Wide operating power supply voltage range (VCC=4.5~14 V)
3) Low current consumption (IQ=3.5mA)
4) High gain (GVO=80dB)
5) Low distortion (THD=0.1%)
6) Low noise (VNIN=1 μVrms)
7) Input coupling capacitor not needed
8) Good ALC channel balance
9) Built-in power supply mute circuit
10) Dynamic range of ALC can be changed by attaching input resistance.
Applications
Stereo radio, cassette tape recorders, stereo cassette decks, home stereos, music centers, etc.
Line up matrix
Part No.
Package
BA3308F
SOP14
BA3308FV
SSOP-B14
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
1/9
2012.06 - Rev.C


Rohm Semiconductor Electronic Components Datasheet

BA3308FV Datasheet

Preamps

No Preview Available !

BA3308FV pdf
BA3308F,BA3308FV
Absolute maximum ratings(Ta=25)
Parameter
Symbol
Limits
Unit
Supply voltage
VCC 16 V
Power
dissipation
BA3308F
BA3308FV
Pd
450*1
350*2
mW
Operating temperature
Topr 25~+75
Storage temperature
Tstg 55~+125
*1 Reduce by 4.5 mW/C over 25C, when mounted on a 70mm×70mm×1.6mm PCB board.
*2 Reduce by 3.5 mW/C over 25C
Operating conditions(Ta=25)
Parameter
Symbol Min.
Typ.
Supply voltage
VCC 4.5
Note: This IC is not designed to be radiation-resistant.
-
Max.
14
Unit
V
Technical Note
Electrical characteristics(Unless otherwise noted, Ta=25, Vcc=7.0V, f=1kHz, BPF2020kHz)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Quiescent current
Open loop voltage gain
Total harmonic distortion
Input resistance
Maximum output voltage
Input conversion noise
voltage
ALC range
IQ
GVO
THD
RIN
VOM
VNIN
ALC
1.5 3.5 4.5 mA VIN=0Vrms
70 80 - dB VOUT=-10dBV
- 0.1 0.3 % NAB34dB, VOUT=40mVrms
15 25 45 k
0.6 1.2
-1
40 45
- Vrms THD=1%
2
μVrms
Rg=2.2k, referenced to NAB 34dB
at 1kHz
-
dB
Rg=3.9 k, VIN-70 dBV standard,
THD=3%
ALC channel balance
ΔALC
-
0 2.5 dB VIN=-60dBV,-30dBV
Channel separation
CS 60 75 - dB VO=0dBV, NAB 34dB
Test
Circuit
Fig.17
Fig.17
Fig.17
Fig.17
Fig.17
Fig.17
Fig.17
Fig.17
Fig.17
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
2/9
2012.06 - Rev.C


Part Number BA3308FV
Description Preamps
Maker Rohm
Total Page 13 Pages
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BA3308FV Datasheet PDF
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