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M64898GP

Mitsubishi
Part Number M64898GP
Manufacturer Mitsubishi
Description PLL FREQUENCY SYNTHESIZER
Published Apr 26, 2005
Detailed Description MITSUBISHI ICs (TV) M64898GP PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC DESCRIPTION The M64898GP is a semico...
Datasheet PDF File M64898GP PDF File

M64898GP
M64898GP

Overview
MITSUBISHI ICs (TV) M64898GP PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC DESCRIPTION The M64898GP is a semiconductor integrated circuit consisting of PLL frequency synthesizer for TV/VCR /PC.
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 ENA 18 DATA 17 CLK CRYSTAL OSCILLATOR ENABLE INPUT DATA INPUT CLOCK INPUT PIN CONFIGURATION (TOP VIEW) FEATURES M64898GP • • • • • • • • • 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 (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 M64892/M64893 Automatick switching of tuning step according to the number of data bits (62.
5kHz at 18bits , 32.
25kHz at 19bits) Built-in Power on reset system Small Package(SSOP) 16 LD/ftest LD/ftest OUTPUT 15 CONT fREF SWITCHING FILTER INPUT 14 Vin 13 Vtu 12 11 +B SWE TUNING OUTPUT SUPPLY VOLTAGE SWITCHING OUTPUT BS1 DC-DCSUPPLY VDC VOLTAGE PEACK CURRENT lpk 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.
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.
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V CC1=5V VCC2=VCC1 BLOCK DIAGRAM VCC1 3 CNT 15 VDC 9 S Q Xin 20 OSC f REF DIVIDER SELECTER DIV.
R 11 SWE LATCH fin 1 AMP 1/8 LATCH 15 2 lpk 10 + PHASE DETECTOR CHARGE PUMP CP LOCK DETECTOR 5 TEST LATCH 14 Vin Vreg 12 +B 15bit PROGRAMMABLE DIVIDER 13 Vtu OS 1/32,1/33 CLK 17 18/19-bit SHIFT REGISTER CONTROL DATA 18 ENA 19 4 BAIS / BAND SWITCH DRIVER Power On Reset 4 VCC2 5 BS4 6 BS3 7 BS2 8 BS1 2 GND 16 LD/ftest 1 MITSU...


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