NJW1503AV-TE1 Nisshinbo

NJW1503A PLL Synthesizer with 3-Wire Bus for TV Tuner DESCRIPTION PACKAGE OUTLINE The NJW1503A is a PLL frequency synthesizer especially designed for TV and VCR tuning systems and consists of PLL circuit and a prescaler which operates up to 1.0GHz, built into one chip. The NJW1503A is controlled through a 3-wire bus. NJW1503AV FEATURES Operating Voltage 5V Low Operating Current : 15mA typ. Vcc=5V Prescaler accepts frequencies up to 1GHz on chip 3-wire bus controlled Reference divider ratio automatic setting (512 or 1024) 34V max. tuning voltage output Package Outline: SSOP16 BLOCK DIAGRAM VCC1 BS0-BS3 VCC3 5V GND CS 3Wire Bus 4bit BAND SW DAT Receiver 4bit Latch CLK 15bit Programmable 1/8 HF IN Latch Divider 15bit PreAMP CP 8bit VCC2 Latch OSCOUT AMPOUT 1/1024 Xtal Phase Phase 1/512 XTAL OUT Comp OSC (1/640) AMP Ref Divider - 1 - NJW1503A ABSOLUTE MAXIMUM RATINGS (T =25C) A Parameter Symbol Ratings Unit Supply Voltage (Vcc1,3) Vcc1,Vcc3 -0.3 to +6.5 V Supply Voltage (Vcc2) Vcc2 -0.3 to +34 V Input Voltage(except 3-wire bus) Vi -0.3 to Vcc+0.3 V Output Voltage Vo -0.3 to Vcc+0.3 V (except 3-wire bus) 3-Wire bus Input Voltage Vseri -0.3 to 6.5 V Power Dissipation PD 300 mW Operating Temperature Range T -20 to +75 C opr Storage Temperature Range T -40 to +125 C stg RECOMMENDED OPERATING CONDITION (T =25C) A Parameter Condition Symbol Min. Typ. Max. Unit +1 +3 Operating Voltage Vcc1,Vcc3 V ,V 4.5 5 5.5 V +2 Operating Voltage Vcc2 V 0 32 34 V Xtal Operating Range f 3.15 4 4.05 MHz xtal HF Input Frequency Input= -20dBm f 80 - 1000 MHz hf Data Set-up Time t 2 - - uS SET Clock Width Time t 2 - - uS CLK Refer to 3-Wire bus Timing Chart Data Hold Time t 2 - - uS HOLD CS Set-up Time t 10 - - uS CSSET CS Hold Time t 2 - - uS CSHLD Maximum Clock Refer to 3-Wire bus Timing Chart t - - 100 KHz CLKMAX Frequency FCLKMAX=1/T CLKMAX DAT CLK T SET T CLK T HOLD T CLKMAX CS T CSSET CT SHOLD 3-Wire bus Timing Chart V min(0.7 Vcc1) and V max(0.3 Vcc1) IH IH - 2 -