STW81101数据手册集成电路（IC）的时钟发生器PLL频率合成器规格书PDF

特性 Features

• Digital Lock Detector
• Programmable charge pump current
• 3.3V Power Supply
• Dual Digital Bus Interface: SPI and I2C bus with 3 bit programmable address (1100A2A1A0)
• Small size exposed pad VFQFPN28 package 5x5x1.0mm
• Power down mode (HW and SW)
• Process: BICMOS 0.35μm SiGe
• Programmable reference frequency divider (10 bits)
• 2 programmable counters to achieve a feedback division ratio from 256 to 65551 (prescaler 16/17) and from 361 to 77836 (prescaler 19/20).
• Integer-N Frequency Synthesizer
• Excellent integrated phase noise
• Dual differential integrated VCOs with automatic center frequency calibration:\t\t3300 - 3900 MHz (Direct output)\t\t3800 - 4400 MHz (Direct output)\t\t1650 - 1950 MHz (Internal divider by 2)\t\t1900 - 2200 MHz (Internal divider by 2)\t\t825 - 975 MHz (Internal divider by 4)\t\t950 - 1100 MHz (Internal divider by 4)\t\t
• Dual modulus programmable prescaler (16/17 or 19/20)
• Phase frequency comparator and charge pump
• Fast lock time: 150μs

简介

STW81101属于集成电路（IC）的时钟发生器PLL频率合成器。由制造生产的STW81101时钟发生器，PLL，频率合成器时钟发生器、PLL 和频率合成器集成电路 (IC) 可为逻辑器件提供参考信号的稳定定时脉冲，这些器件包括计算机、微控制器、数据通信系统和图形/视频发生器。这些集成电路可能包括缓冲器、驱动器、分频器、倍频器、多路复用器、合成器、扇出分配器和预分频器。