BU2630FV

双PLL频率合成器 Dual PLL frequency synthesizer

The BU2630F/ are a CMOS LSI with an internal dual PLL synthesizer.

VCOs for transmission and reception can be controlled independently, and the reference frequency and main counter settings can also be programmed separately. This product is designed for applications involving cordless telephones and communications equipment worldwide.

Features

1 Operation possible at up to 80MHz VDD = 2.5.

2 Low current dissipation

   Dual-system operation : 2.2mA typ, VDD = 3V

   Single-system operation : 1.2mA typ, VDD = 3V

   Non-operating state : 0.2mA typ, VDD = 3V

3 16-bit main counter.

4 Internal 14-bit reference frequency counter.

5 Unlock detection possible.

6 Four output ports. open drain

7 Control possible using 3-wire serial input.  

Applications

  Cordless telephones, amateur short wave radios, industrial transceivers, VHF/UHF frequency generators, and others