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Fabricante

BA3314F

Dual preamplifier with ALC detector circuit

ROHM Semiconductor 

Audio ICs

Dual preamplifier with ALC detector

circuit

BA3314F

The BA3314F is a dual preamplifier IC with built-in ALC detector circuit, designed for audio applications. It comes in a

compact 14-pin SOP package, and has two record / playback preamplifiers, and an ALC detector circuit. The preamplifier

can be directly coupled to the tape head without coupling capacitors to prevent tape head magnetization and “pop” noise

generation.

With the built-in ALC detector circuit, an ALC circuit with large dynamic range can be constructed with addition of just

an external time constant circuit.

FApplications

Audio equipment

FFeatures

1) Input bias circuit does not require coupling capaci-

tors.

2) Built-in ALC circuit with external time constant circuit.

3) Wide operating power supply voltage range.

4) High gain.

5) Low noise.

FBlock diagram

217

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