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BA3406AF 반도체 회로 부품 판매점

Dual Preamplifier



ROHM Semiconductor 로고
ROHM Semiconductor
BA3406AF 데이터시트, 핀배열, 회로
Audio ICs
Dual preamplifier with mute function
BA3406AF
The BA3406AF is a multi-function dual-channel preamplifier with a built-in mute circuit and a time-constant switching
circuit for use with metal tape. The output circuits have diodes, and can be connected to other circuits in parallel, which
eliminates the need for switches. The mute circuit is independent of the preamplifier block, and can be used to mute the
whole system.
FApplications
Car stereos, radio cassette players, and tape decks
FFeatures
1) Wide operating power supply voltage range (6V to
8) Mute and metal-tape circuits are independent from
14V).
the preamplifier circuit to allow greater design free-
2) Low noise (VNIN = 1.0µVrms Typ.).
dom.
3) High open loop voltage gain (GVO = 80dB Typ. at pins
9) The output circuits have diodes to prevent current
1 and 15).
backflow and enable parallel connection to other
4) Two channels on one chip, providing good channel
circuits.
balance.
10) The resistor for the CR circuit that sets the metal-
5) Emitter-follower outputs for low output impedance.
www.DataSheet4U.com6) Built-in switching circuit for use with metal tape.
tape circuit time constant to 70µs is on the chip. Set-
ting the time constant only requires addition of an
7) Built-in mute circuit.
external capacitor.
FBlock diagram
226


BA3406AF 데이터시트, 핀배열, 회로
Audio ICs
FInternal circuit configuration
BA3406AF
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 8V)
227




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제조업체: ROHM Semiconductor

( rohm )

BA3406AF amplifier

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