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Электронный компонент: BA7735FS

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865
Audio ICs
Electronic volume for VCRs and audio
devices
BA7735FS
The BA7735FS is an electronic volume IC developed for VCRs and audio devices.
F
Applications
VCRs
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Features
1) Internal high-performance electronic volume with a
dynamic range of 100dB (Typ.).
2) Internal switching between EVR ON and EVR OFF
modes.
3) Gain of output amplifier can be set to any value be-
tween 0 and 12dB using an external resistor.
4)
2 power supply supported.
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Absolute maximum ratings (Ta = 25
_
C)
866
Audio ICs
BA7735FS
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Block diagram
867
Audio ICs
BA7735FS
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Pin descriptions
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Input / output circuit
868
Audio ICs
BA7735FS
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Electrical characteristics (unless otherwise noted, V
CC
=
)
5.0V, V
EE
= 5.0V, Ta = 25
_
C)
869
Audio ICs
BA7735FS
F
Measurement circuit
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Control pin description
EVR ON / OFF
This selects the EVR ON or EVR OFF mode.