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CDCE937PWG4

Texas Instruments 时钟/计时 - 时钟发生器，PLL，频率合成器
  • 封装：20-TSSOP（0.173"，4.40mm 宽）
  • RoHS：无铅 / 符合限制有害物质指令(RoHS)规范要求
  • 包装方式：管件
  • 参考价格：$5.4

更新日期：2024-04-01 00:04:00

CDCE937PWG4

Texas Instruments 时钟/计时 - 时钟发生器，PLL，频率合成器

产品简介：具有 2.5V 或 3.3V LVCMOS 输出的可编程 3-PLL VCXO 时钟合成器

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  • 封装：20-TSSOP（0.173"，4.40mm 宽）
  • RoHS：无铅 / 符合限制有害物质指令(RoHS)规范要求
  • 包装方式：管件
  • 参考价格：$5.4

CDCE937PWG4 供应商

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CDCE937PWG4 中文资料属性参数

  • 标准包装：70
  • 类别：集成电路 (IC)
  • 家庭：时钟/计时 - 时钟发生器，PLL，频率合成器
  • 系列：-
  • 类型：PLL 时钟发生器
  • PLL：带旁路
  • 输入：LVCMOS，晶体
  • 输出：LVCMOS
  • 电路数：1
  • 比率 - 输入:输出：1:7
  • 差分 - 输入:输出：无/无
  • 频率 - 最大：230MHz
  • 除法器/乘法器：是/无
  • 电源电压：1.7 V ~ 1.9 V
  • 工作温度：-40°C ~ 85°C
  • 安装类型：表面贴装
  • 封装/外壳：20-TSSOP（0.173"，4.40mm 宽）
  • 供应商设备封装：20-TSSOP
  • 包装：管件
  • 配用：296-30836-ND - EEPROM PROG MODULE FOR CDCEL9XX

产品特性

  • Member of Programmable Clock Generator Family CDCEx913: 1-PLL, 3 Outputs CDCEx925: 2-PLL, 5 Outputs CDCEx937: 3-PLL, 7 Outputs CDCEx949: 4-PLL, 9 Outputs
  • CDCEx913: 1-PLL, 3 Outputs
  • CDCEx925: 2-PLL, 5 Outputs
  • CDCEx937: 3-PLL, 7 Outputs
  • CDCEx949: 4-PLL, 9 Outputs
  • In-System Programmability and EEPROM Serial Programmable Volatile Register Nonvolatile EEPROM to Store Customer Setting
  • Serial Programmable Volatile Register
  • Nonvolatile EEPROM to Store Customer Setting
  • Flexible Input Clocking Concept External Crystal: 8 MHz to 32 MHz On-Chip VCXO: Pull Range ±150 ppm Single-Ended LVCMOS up to 160 MHz
  • External Crystal: 8 MHz to 32 MHz
  • On-Chip VCXO: Pull Range ±150 ppm
  • Single-Ended LVCMOS up to 160 MHz
  • Free Selectable Output Frequency up to 230 MHz
  • Low-Noise PLL Core PLL Loop Filter Components Integrated Low Period Jitter (Typical 60 ps)
  • PLL Loop Filter Components Integrated
  • Low Period Jitter (Typical 60 ps)
  • Separate Output Supply Pins CDCE937: 3.3 V and 2.5 V CDCEL937: 1.8 V
  • CDCE937: 3.3 V and 2.5 V
  • CDCEL937: 1.8 V
  • Flexible Clock Driver Three User-Definable Control Inputs [S0/S1/S2], for Example, SSC Selection, Frequency Switching, Output Enable or Power Down Generates Highly Accurate Clocks for Video, Audio, USB, IEEE1394, RFID, Bluetooth™, WLAN, Ethernet™, and GPS Generates Common Clock Frequencies Used With TI-DaVinci™, OMAP™, DSPs Programmable SSC Modulation Enables 0-PPM Clock Generation
  • Three User-Definable Control Inputs [S0/S1/S2], for Example, SSC Selection, Frequency Switching, Output Enable or Power Down
  • Generates Highly Accurate Clocks for Video, Audio, USB, IEEE1394, RFID, Bluetooth™, WLAN, Ethernet™, and GPS
  • Generates Common Clock Frequencies Used With TI-DaVinci™, OMAP™, DSPs
  • Programmable SSC Modulation
  • Enables 0-PPM Clock Generation
  • 1.8-V Device Power Supply
  • Wide Temperature Range –40°C to 85°C
  • Packaged in TSSOP
  • Development and Programming Kit for Easy PLL Design and Programming (TI Pro-Clock™)
  • APPLICATIONS D-TVs, STBs, IP-STBs, DVD Players, DVD Recorders, and Printers
  • D-TVs, STBs, IP-STBs, DVD Players, DVD Recorders, and Printers

产品概述

The CDCE937 and CDCEL937 devices are modular PLL-based low cost, high-performance, programmable clock synthesizers, multipliers and dividers. They generate up to 7 output clocks from a single input frequency. Each output can be programmed in-system for any clock frequency up to 230 MHz, using up to three independent configurable PLLs.The CDCEx937 has separate output supply pins, VDDOUT, which is 1.8 V for CDCEL937 and to 2.5 V to 3.3 V for CDCE937.The input accepts an external crystal or LVCMOS clock signal. If an external crystal is used, an on-chip load capacitor is adequate for most applications. The value of the load capacitor is programmable from 0 to 20 pF. Additionally, an on-chip VCXO is selectable which allows synchronization of the output frequency to an external control signal, that is, PWM signal.
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CDCE937PWG4 电路图

CDCE937PWG4 电路图

CDCE937PWG4 电路图

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