M64897GP
M64897GP is PLL FREQUENCY SYNTHESIZER manufactured by Mitsubishi Electric.
MITSUBISHI ICs (TV)
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)
Features
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Built-in DC-DC converter for Tuning voltage 4 integrated PNP band drivers (Io=30m A, 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 patible 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
REMENDED 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 DIAGRAM
VCC1 3 VDC 9 S Q Xin 20 OSC f REF DIVIDER SELECTER DIV. R 11 SWE LATCH fin 1 AMP 1/8 LATCH 15 2 Ipk 10
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PHASE DETECTOR CHARGE PUMP CP 1 LOCK DETECTOR 5 TEST LATCH 14 Vin Vreg 12 +B 15bit PROGRAMMABLE DIVIDER 13 Vtu OS
1/32,1/33
SCL 17 BUS CONTROLLER ADDRESS SELECT
SDA 18
ADS 19 4 BAIS / BAND SWITCH DRIVER 1 Power On Reset 4 VCC2 5 BS4 6 BS3 7 BS2 8 BS1 2 GND
5-LEVEL A/D
16 LD/ftest
15 ADC
MITSUBISHI ICs (TV)
PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC...
