BU8730KV
BU8730KV is Linear codec IC for digital cellular telephones manufactured by ROHM.
munication ICs
Linear codec IC for digital cellular telephones
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 8.2m A (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 remendation 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....
