CDC5806 - 6 输出 PLL 频率生成器

CDC5806是TI德州仪器公司的一款通用产品，CDC5806是6 输出 PLL 频率生成器，本站介绍了CDC5806的封装应用图解、特点和优点、功能等，并给出了与CDC5806相关的TI元器件型号供参考。

CDC5806 - 6 输出 PLL 频率生成器 - 通用 - 时钟发生器 - 德州仪器

产品描述

The CDC5806 is a clock generator which synthesizes video clocks, audio clocks, CPU clock, ASIC clock, USB clock, and a memory card clock from a 54-MHz system clock.

Three phase-locked loops (PLLs) are used to generate the different frequencies from the system clock. On-chip loop filters and internal feedback eliminate the need for external components.

Since the CDC5806 is based on PLL circuitry, it requires a stabilization time to achieve phase-lock of the PLLs. The PLL stabilization time begins after the reference clock input has a stable phase and frequency.

The device operates from a single 3.3-V supply voltage. The CDC5806 device is characterized for operation from –40°C to 85°C.

产品特性

High Performance Clock Generator
Clock Input Compatible With LVCMOS/LVTTL
Requires a 54-MHz Input Clock to Generate Multiple Output Frequencies
Low Jitter for Clock Distribution
Generates the Following Clocks:
- VIDCLK 74.175824 MHz / 54 MHz (Buffered)
- AUDCLK 16.9344 MHz / 12.288 MHz
- CPUCLK 64 MHz
- ASICCLK 32 MHz
- USBCLK 48 MHz
- MCCLK 38.4 MHz / 19.2 MHz / 12 MHz
Operates from Single 3.3-V Supply
Low Peak-to-Peak Period Jitter (150 ps Max)
PLLs are Powered Down, if No Valid REF_IN Clock (< 5 MHz) is Detected or the VDD is Below 2 V
PLL Loop Filter Components Integrated
Packaged in TSSOP (PW) 20-Pin Package
Industrial Temperature Range –40°C to 85°C Applications

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