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BA338L

Rohm
Part Number BA338L
Manufacturer Rohm
Description Mute detector IC
Published Apr 1, 2005
Detailed Description Audio ICs Mute detector IC BA336 / BA338 / BA338L The BA336, BA338 and BA338L are monolithic ICs designed for mute dete...
Datasheet PDF File BA338L PDF File

BA338L
BA338L

Overview
Audio ICs Mute detector IC BA336 / BA338 / BA338L The BA336, BA338 and BA338L are monolithic ICs designed for mute detection and tape end detection.
When a duration of silence (52dBm or less) exceeds the time constant set with an external CR circuit, a song gap is identified, and after this a plunger control signal is output during a pulse whose width is determined by another external CR circuit.
These functions are contained in a compact 9-pin package.
The circuit configuration consists of a pre-amp with limiter, a comparator flip-flop, and a driver.
Circuitry is also included which prevents errors when the power is turned on, and measures have been taken to prevent errors due to excessive input, song gap noise, and other factors.
FApplications Mute detection Tape end detection FFeatures 1) Mute detection time and output pulse width can be set within a broad range by an external CR circuit.
2) Includes circuit for preventing errors due to song gap noise.
3) Includes over-current p...


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