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