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BA3402

Rohm
Part Number BA3402
Manufacturer Rohm
Description Dual Channel Auto Reverse Tape Preamplifier
Published Mar 21, 2006
Detailed Description Audio ICs Dual-channel, auto-reverse tape preamplifier BA3402 The BA3402 is a dual preamplifier developed for auto-reve...
Datasheet PDF File BA3402 PDF File

BA3402
BA3402

Overview
Audio ICs Dual-channel, auto-reverse tape preamplifier BA3402 The BA3402 is a dual preamplifier developed for auto-reverse car tape decks.
An electronic switch on the chip switches between the forward and reverse heads, and this has the benefits of greater reliability, easier wiring, lower space requirements, and improved assembly efficiency when compared with conventional mechanical switches.
The circuit is designed in such a way that coupling capacitors are not required.
In addition to reducing the number of external components required, this ensures that the head is not magnetized when the power is applied.
FApplications Car stereos and play-only auto-reverse cassette decks.
FFeatures 1) Low noise (VNIN = 1.
2µVrms).
2) High open loop gain (GVO = 85dB).
3) Reliable electronic switch on the chip.
Head switching for both left and right channels is possible with the addition of one external switch circuit.
4) Input-side virtual-ground design means that input coupling capacitors are no...


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