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BU8730KV Datasheet

Part Number BU8730KV
Manufacturers Rohm
Logo Rohm
Description Linear codec IC for digital cellular telephones
Datasheet BU8730KV DatasheetBU8730KV Datasheet (PDF)

Communication ICs Linear codec IC for digital cellular telephones BU8730KV The BU8730KV is a linear codec IC developed for use with digital cellular telephones. It contains a 14-bit precision linear codec and various other analog input / output features. Also, there is a built-in DAI and many tone signal functions making this IC perfect for use with GSM cellular telephones. FApplications Digital cellular telephones FFeatures 1) )3V single power supply (VDD = 2.7V to 3.3V). 2) Low current consum.

  BU8730KV   BU8730KV






Linear codec IC for digital cellular telephones

Communication ICs Linear codec IC for digital cellular telephones BU8730KV The BU8730KV is a linear codec IC developed for use with digital cellular telephones. It contains a 14-bit precision linear codec and various other analog input / output features. Also, there is a built-in DAI and many tone signal functions making this IC perfect for use with GSM cellular telephones. FApplications Digital cellular telephones FFeatures 1) )3V single power supply (VDD = 2.7V to 3.3V). 2) Low current consumption of 8.2mA (typ.) when fully operating and 20 µA (max.) when powered down (VDD = 3V). 3) Built-in 14-bit precision linear codec. 4) Transmission filter for the codec unit conforms to ITU-T recommendation G.714. 5) DTMF signal, GSM triple tone, and scale tone signal generator functions are built into the tone signal generator block. 6) Signal generator and output level adjustment circuits are built in with the sounder output functions. 7) Built-in PLL circuit for system clock generation. FAbsolute maximum ratings (Ta = 25_C) 8) Analog input / output functions: S Built-in mic amplifier with gain switching capabilities. S Data signal I / O circuit allows for connection to external devices. S Receiver output, ringer output, and EXT output are soft mute compatible. 9) Internal DAI (digital audio interface) with GSM11.10 support. 10) Internal DSP interface circuit supports multiple DSP formats. 11) VQFP 48-pin package. 621 Communication ICs FRecommended operating conditions (Ta = 25_C.


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