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BA7760F Folha de dados(PDF) 2 Page - Rohm

Nome de Peças BA7760F
Descrição Electrónicos  Microphone Amplifier
Download  6 Pages
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Fabricante Electrônico  ROHM [Rohm]
Página de início  http://www.rohm.com
Logo ROHM - Rohm

BA7760F Folha de dados(HTML) 2 Page - Rohm

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Multimedia ICs
BA7760 / BA7760F
•Pin descriptions
Pin name
Pin type
1
Ripple filter
2GND
GND
—
3
MIC IN ( + ) Ch1
CH1 microphone amplifier input ( + )
4
MIC IN ( – ) Ch1
CH1 microphone amplifier input ( – )
Base (NPN)
5
CH1 microphone amplifier fc
Base (NPN) ~ 450
Ω
6
CH1 microphone amplifier output
Push-pull
7
Mixer buffer input
8
Mixer buffer output
Push-pull
9
CH2 microphone amplifier output
Push-pull
10
CH2 microphone amplifier fc
Base (NPN) ~ 450
Ω
11
MIC IN ( + ) Ch2
CH2 microphone amplifier input ( – )
Base (NPN)
12
MIC IN ( – ) Ch2
CH2 microphone amplifier input ( + )
13
Mute control
Fig.1
14
—
RIPPLE FILTER
FILTER Ch1
MIX IN
MIC OUT Ch1
MIX OUT
MIC OUT Ch2
FILTER Ch2
MUTE CTRL
VCC
VCC
Base (NPN) // 15k
Ω
Base (NPN) // 120k
Ω
Base (NPN) // 65k
Ω
Base (NPN) // 120k
Ω
Pin No.
Function
∗ “Parallel” and “series” respectively refer to parallel and series insertion. All figures are standard values.
•Block diagram
–
–
–
MIC AMP CH 1
MIC AMP CH 2


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