ba3714f ROHM Co. Ltd., ba3714f Datasheet

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ba3714f

Manufacturer Part Number
ba3714f
Description
1.5v Signal Sensor
Manufacturer
ROHM Co. Ltd.
Datasheet
The BA3714F is a signal sensor consisting of a sensor circuit which detects the presence of an input signal, a logic circuit
which controls an output drive circuit based on the input signal, and an output drive circuit. The signal sensor circuit em-
ploys the dual-wave rectified current method for excellent response.
The outputs T
Pin 7 and V
Drive outputs include two systems OUT1 and OUT which are controlled by the logic block. These systems can be com-
bined to enable a wide range of designs.
FApplications
Tape end sensors for 1.5 to 3V headphone stereos
Mute and song selection sensors
FFeatures
1) Operation possible at ultra-low voltages. (V
2) Minimal attached components.
3) Uses dual rectified current method for excellent sig-
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
746
1.5V signal sensor
BA3714F
Audio ICs
to 4.5V)
nal response.
CC
E
and the capacitor between Pin 1 and ground.
of Pin 3 and T
ON
of Pin 5 can be respectively set by choosing appropriate values for the capacitor between
CC
= 0.8
4) Very low current dissipation. (I
5) When used for a tape end sensor, can also be used
6) SOP 8-pin package allows space conservation on
with mechanical auto-off.
the board.
Q
= 0.9mA)

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ba3714f Summary of contents

Page 1

... BA3714F The BA3714F is a signal sensor consisting of a sensor circuit which detects the presence of an input signal, a logic circuit which controls an output drive circuit based on the input signal, and an output drive circuit. The signal sensor circuit em- ploys the dual-wave rectified current method for excellent response. ...

Page 2

... Audio ICs FBlock diagram FElectrical characteristics (unless otherwise noted 25_C and V BA3714F = 1.25V) CC 747 ...

Page 3

... Audio ICs FMeasurement circuit FTiming chart 748 FApplication example BA3714F ...

Page 4

... Audio ICs FExternal dimensions (Units: mm) BA3714F 749 ...

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