DESCRIPTION

The M64897GP is a semiconductor integrated circuit consisting of PLL frequency synthesizer for TV/VCR/PC using I2C BUS control.

It contains the prescaler with operating up to1.3GHz, 4 band drivers and DC-DC converter for Tuning voltage.

FEATURES

• Built-in DC-DC converter for Tuning voltage

• 4 integrated PNP band drivers

(Io=30mA, Vsat=0.2V typ@Vcc1 to 10V)

• Built-in prescaler with input amplifier (f max=1.3GHz)

• PLL lock/unlock status display out put

(Built-in pull up resistor)

• X’tal 4MHz is used to realize 3 type of tuning steps

(Divider ratio 1/512, 1/640, 1/1024)

• Software compatible with M64894

• Built-in Power on reset system

• Small Package (SSOP)

APPLICATION

PC, TV, VCR tuners