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NJW1503A Datasheet(PDF) 1 Page - New Japan Radio |
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NJW1503A Datasheet(HTML) 1 Page - New Japan Radio |
1 / 9 page NJW1503A - 1 - PLL Synthesizer with 3-Wire Bus for TV Tuner DESCRIPTION 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. 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 PACKAGE OUTLINE NJW1503AV BS0-BS3 BAND SW 4bit 4bit Latch VCC3 VCC1 5V GND CS DAT CLK 3Wire Bus Receiver 15bit Latch 8bit Latch Programmable Divider 15bit PreAMP 1/8 CP VCC2 AMPOUT HF IN AMP Phase OUT Phase Comp 1/1024 1/512 (1/640) Ref Divider X’tal OSC OSCOUT XTAL |
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