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BA3306 Datasheet

  • BA3306

  • Dual preamplifier with ALC

  • 96.85KB

  • 5頁

  • ROHM

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Audio ICs
Dual preamplifier with ALC
BA3306
The BA3306 is a dual preamplifier with ALC designed for use in stereo radio-cassette recorders and tape recorders. It
comes in a compact 9-pin SIP package and has two record / playback preamplifiers, and an ALC circuit. The preamplifi-
ers have high gain and low distortion, and can be directly coupled to the tape head without coupling capacitors. This
prevents tape head magnetization and 鈥減op鈥?noise generation.
The ALC circuit has good channel balance and large dynamic range and can be constructed with addition of just an exter-
nal detector and time constant circuit.
The IC also includes a power-on mute circuit that suppresses 鈥減op鈥?noise generation.
FApplications
Stereo radio cassette players
FFeatures
1) Wide operating power supply voltage range
(V
CC
= 4.5V to 14V).
2) Low current dissipation (I
Q
= 2.5mA).
3) High gain (G
VO
= 80dB).
4) Low distortion (THD = 0.1%).
FBlock
diagram
5)
6)
7)
8)
Low noise (V
NIN
= 1碌V
rms
).
Input coupling capacitors and not necessary.
Good ALC channel balance.
Power-on mute circuit.
FAbsolute
maximum ratings (Ta = 25_C)
201

BA3306 產(chǎn)品屬性

  • 1,000

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • AB 類

  • 2 通道（立體聲）

  • -

  • 4.5 V ~ 14 V

  • 消除爆音

  • 通孔

  • 9-SIP

  • 9-SIP

  • 管件

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