What is BU1924FS?


This is RDS / RBDS decoder.

A demultiplexer, also known as a "demux," is a digital circuit that takes a single input signal and directs it to one of several possible outputs. It is essentially the reverse of a multiplexer, which takes multiple inputs and directs them to a single output.


[PDF] Complete Technical Details can be found in the BU1924FS datasheet provided at this page.

Summary in PDF File


w w t e RDS h e RBDS decoder S a BU1924 at BU1924F BU1924FS D w Audio ICs 4U m o c BU1924 BU1924F BU1924FS The BU1924 BU1924F and BU1924FS are RDS RBDS decoders that employ a digital PLL and have a built in anti aliasing filter and an eight stage BPF switched capacitor filter Linear CMOS circuitry is used for low power consumption zApplications RDS RBDS compatible FM receivers for American and European markets car stereos high fidelity stereo systems and components and FM pagers zFeatures 1 Low current 2 Two stage anti aliasing filter LPF 3 57kHz band pass filter 4 DSB demodulation digital PLL 5 Quality indication output for demodulated data zAbsolute maximum ratings Ta 25 C Parameter Power supply voltage Maximum input voltage Maximum output voltage Symbol VDD Limits VMax IMax Power dissipation Pd Operating temperature Storage temperature 1 Reduced by 10 0mW for each increase in Ta of 1 C over 25 C BU1924 2 Reduced by 3 0mW for each increase in Ta of 1 C over 25 C BU1924F 3 Reduced by 5 0mW for each increase in Ta of 1 C over 25 C BU1924FS zRecommended operating conditions Ta 25 C Parameter Power supply voltage Symbol VDD1 VDD2 Min 2 7 2 7 Typ Max 5 5 5 5 Unit V

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[ Detailed Data ]


The basic design of a demultiplexer involves using a set of logic gates to decode the control signals and direct the input signal to the selected output channel. The input signal is usually passed through a series of AND gates, with each gate corresponding to one of the possible output channels. The control signals are used to enable the appropriate AND gate, while the other gates are disabled.

Manufacturers : ROHM Semiconductor

ROHM - BU1924FS Datasheet PDF

ROHM BU1924FS DATA

RDS / RBDS decoder

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Datasheet BU1924FS.PDF DownLoad ( ROHM )


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