NJW1504

NJW1504 PLL Synthesizer with I2C Bus for TV GENERAL DESCRIPTION The NJW1504 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 NJW1504 is controlled through an I2C-bus. FEATURES Operating Voltage 5V Low Operating Current 15mA typ. @Vcc=5V Prescaler accepts frequencies up to 1GHz on chip Reference Signal Oscillator with peripheral of Xtal on chip 34V max. tuning voltage output Package Outline SSOP16 PACKAGE OUTLINE NJW1504V BLOCK DIAGRAM BS0-BS3 Vcc3 BAND SW 4bit 4bit Latch Vcc1 5V GND I2C Bus Receiver ADRS SDA SCL HF IN CP Vcc2 PreAMP 1/8 Programmable Divider 15bit AMPOUT AMP Phase OUT Phase Comp. 15bit Latch 1/1024 1/512 (1/640) Ref. Divider 8bit Latch X’tal OSC OSCOUT XTAL (Note) Purchase of I2C components of New Japan Radio Co.,Ltd or one of its sublicensed Associated Companies conveys a license under the Philips I2C Paten...