BA335 Rohm, BA335 Datasheet

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BA335

Manufacturer Part Number
BA335
Description
Audio level sensor
Manufacturer
Rohm
Datasheet

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BA335
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BA335
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The BA335 is a sensor amplifier which consists of three blocks : a small signal audio amplifier, a hysteresis comparator,
and a driver. Housed in a 9-pin SIP package, it is optimal for tape recorder end detection and tape mute detection.
FApplications
Tape end detection
Tape mute detection
FFeatures
1) Built-in comparator with stable hysteresis under
2) Built-in transistor and diode capable of driving an in-
FAbsolute maximum ratings (Ta = 25_C)
FInternal circuit schematic
Audio level sensor
BA335
Audio ICs
power supply voltage and temperature fluctuations.
ductive load at 600mA.
3) Time delays can be created as needed with an exter-
nal CR circuit.
829

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BA335 Summary of contents

Page 1

... Audio ICs Audio level sensor BA335 The BA335 is a sensor amplifier which consists of three blocks : a small signal audio amplifier, a hysteresis comparator, and a driver. Housed in a 9-pin SIP package optimal for tape recorder end detection and tape mute detection. FApplications Tape end detection ...

Page 2

... Audio ICs FElectrical characteristics (unless otherwise noted 25_C and V FMeasurement circuit 830 = 9.0V) CC BA335 ...

Page 3

... When an input signal of *45dBm or more goes to noth- is designed ing ceases, the electrical potential of Pin 2 begins to fall due to the CR circuit connected to Pin 2. The time until the hysteresis comparator inverts is the time delay. When deciding the values of the capacitor and resistor, select a resistor value from 100 to 500k . BA335 831 ...

Page 4

... Audio ICs FElectrical characteristic curves FExternal dimensions (Units: mm) 832 BA335 ...

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