M64897GP

MITSUBISHI ICs (TV) M64897GP PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC DESCRIPTION The M64897GP is a semiconductor integrated circuit consisting of PLL frequency synthesizer for TV/VCR/PC using I 2C BUS control. It contains the prescaler with operating up to1.3GHz, 4 band drivers and DC-DC converter for Tuning voltage. PRESCALER INPUT GND SUPPLY VOLTAGE 1 SUPPLY VOLTAGE 2 BAND SWITCHING OUTPUTS fin GND VCC1 VCC2 BS4 BS3 BS2 1 2 3 4 5 6 7 8 9 10 20 Xin 19 ADS 18 SDA 17 SCL CRYSTAL OSCILLATOR CHIP ADDRESS INPUT DATA INPUT CLOCK INPUT PIN CONFIGURATION (TOP VIEW) M64897GP 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) 16 LD/ftest LD/ftest OUTPUT A/D INPUT 15 ADC 14 Vin 13 Vtu 12 11 +B SWE FILTER INPUT TUNING OUTPUT SUPPLY VOLTAGE SWITCHING OUTPUT BS1 DC-DCSUPPLY VDC VOLTAGE PEACK CURRENT Ipk DETECT Outline 20P2E-A RECOMMENDED OPERATING CONDITION APPLICATION PC, TV, VCR tuners Supply voltage range..............................................V CC1=4.5 to 5.5V VCC2=VCC1 to 10V Rated supply voltage...........................................................V CC1=5V VCC2=VCC1 BLOCK DI...