Oscillator Frequency Upconverter

GENERAL DESCRIPTION The AD9552 is a fractional-N phase locked loop (PLL) based clock generator designed specifically to replace high frequency crystal oscillators and resonators. The device employs a sigma-delta (Σ-Δ) modulator (SDM) to accommodate fractional frequency synthesis. The user supplie

振荡器频率上变频器

AD9552是一款小数N分频、基于锁相环(PLL)的时钟发生器，专为取代高频晶体振荡器和谐振器而设计。该器件采用Σ-Δ调制器(SDM)来处理小数频率合成。用户将单端时钟信号直接与REF引脚相连，或者在XTAL引脚上连接一个晶体谐振器，即可提供输入参考信号。\n\n AD9552为引脚可编程器件，根据8种常用输入频率的其中一种频率，可提供64种标准输出频率中的一种频率。该器件还有一个三线式SPI接口，用户可以通过该接口自定义设置输入与输出频率比。\n\n AD9552需用外部电容来构成PLL的环路滤波器。虽然AD9552严格按照CMOS工艺制造，但其输出与LVPECL、LVD • 将低频输入参考信号转换为高频输出信号\n\n• 输入频率范围：6.6 MHz至125 MHz\n\n• 输出频率最高达900 MHz\n\n• 预设引脚可编程频率转换比;

Oscillator Frequency Upconverter

文件：616.18 Kbytes Page：32 Pages

Oscillator Frequency Upconverter

GENERAL DESCRIPTION The AD9552 is a fractional-N phase locked loop (PLL) based clock generator designed specifically to replace high frequency crystal oscillators and resonators. The device employs a sigma-delta (Σ-Δ) modulator (SDM) to accommodate fractional frequency synthesis. The user supplie

Oscillator Frequency Upconverter

GENERAL DESCRIPTION The AD9552 is a fractional-N phase locked loop (PLL) based clock generator designed specifically to replace high frequency crystal oscillators and resonators. The device employs a sigma-delta (Σ-Δ) modulator (SDM) to accommodate fractional frequency synthesis. The user supplie

Oscillator Frequency Upconverter

GENERAL DESCRIPTION The AD9552 is a fractional-N phase locked loop (PLL) based clock generator designed specifically to replace high frequency crystal oscillators and resonators. The device employs a sigma-delta (Σ-Δ) modulator (SDM) to accommodate fractional frequency synthesis. The user supplie

Oscillator Frequency Upconverter

文件：616.18 Kbytes Page：32 Pages

Oscillator Frequency Upconverter

文件：616.18 Kbytes Page：32 Pages

封装/外壳：32-WFQFN 裸露焊盘，CSP 包装：管件 描述：IC PLL CLOCK GEN LP 32LFCSP 集成电路（IC） 时钟发生器，PLL，频率合成器

封装/外壳：32-WFQFN 裸露焊盘，CSP 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC PLL CLOCK GEN LP 32LFCSP 集成电路（IC） 时钟发生器，PLL，频率合成器

Oscillator Frequency Upconverter

文件：616.18 Kbytes Page：32 Pages

16-bit I2C LED driver with programmable blink rates

DESCRIPTION The PCA9552 LED Blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C Master’s (MCU, MPU, DSP, chipset, etc.) timer. The uniqueness of this device is the internal oscillator with two programmable blink rates. To blink LEDs

16-bit I2C LED driver with programmable blink rates

DESCRIPTION The PCA9552 LED Blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C Master’s (MCU, MPU, DSP, chipset, etc.) timer. The uniqueness of this device is the internal oscillator with two programmable blink rates. To blink LEDs

16-bit I2C LED driver with programmable blink rates

DESCRIPTION The PCA9552 LED Blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C Master’s (MCU, MPU, DSP, chipset, etc.) timer. The uniqueness of this device is the internal oscillator with two programmable blink rates. To blink LEDs

16-bit I2C LED driver with programmable blink rates

DESCRIPTION The PCA9552 LED Blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C Master’s (MCU, MPU, DSP, chipset, etc.) timer. The uniqueness of this device is the internal oscillator with two programmable blink rates. To blink LEDs

PIN DIODE ATTENUATOR

Description The UM9552 is a very long minority carrier lifetime (70 ms typical) PIN DIODE that has been developed for low HF or LF Band Attenuator Applications. They have been evaluated for attenuator linearity and distortion characteristics in a Bridge Tee Attenuator Circuit at 455 KHz (the comm