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494-28.0M-5DN-T

494-28.0M-5DN-T

  • 厂商:

    OSCILENT

  • 封装:

  • 描述:

    494-28.0M-5DN-T - 6 Pad PCB J-Lead PECL Output - Oscilent Corporation

  • 详情介绍
  • 数据手册
  • 价格&库存
494-28.0M-5DN-T 数据手册
Oscilent Corporation | 494 Series Surface Mount Crystal Oscillators Page 1 of 2 SMD Oscillators Series Number Package Description Last Modified 494 6 Pad PCB J-Lead PECL Output Jan. 01 2007 FEATURES - Wave form symmetry of 40/60% - PECL output - Industry standard 6 Pad PCB J-Lead SMD Package - RoHs / Lead Free compliant OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS PARAMETERS Output Logic Input Voltage (VDD) Frequency Range (fO) Operating Temperature (TOPR) Storage Temperature (TSTG) Overall Frequency Stability CONDITIONS (a) Frequency Tolerance (b) Temperature Stability (c) Input Voltage Stability (d) Load Stability Input Current (IDD) Aging Rise Time (TR) Fall Time (TF) Output Voltage High "1" VOH Output Voltage Low "0" VOL Load Duty Cycle Start-Up Time (TS) Jitter @ 25°C 20% to 80% of Waveform 20% to 80% of Waveform PECL PECL 50% of Waveform RMS CHARACTERISTICS Positive ECL Square Wave (PECL) 3.3 ±10% 5.0 ±10% UNITS VDC MHz °C °C PPM mA PPM/Y nS nS VDC VDC Ohms % mS ps 19.440 ~ 180.0 (Fund, Third, Fifth / UM-1) 0 ~ +70 (Std.) / -40 ~ 85 (Option) -55 ~ +125 ±20 (0 ~ +70°C Only), ±25, ±50, ±100 max. Inclusive of Overall Stability Inclusive of Overall Stability (Operating Temperature) Inclusive of Overall Stability (VDD ±5%) Inclusive of Overall Stability (RL ±5%) 80 max. ±1 max. 2 max. 2 max. VDD - 1.025 min. VDD - 1.620 max. 50 50 ±10 (Std.) / 50 ±5 (Option) 10 max. 3.5 max. 120 max. Oscilent Corporation | 494 Series Surface Mount Crystal Oscillators Page 2 of 2 PIN CONNECTIONS #1 Complimentary Output #2 Tri-State Enable Low #3 Ground #4 Output #5 N.C. #6 Vdd PART NUMBER GUIDE Series Number Frequency Voltage Supply Option Frequency Tolerance & Stability (max.) Operating Temp. (° C) Duty Cycle Pin 1 Connection 494 Oscilent SMD Oscillators - 28.0 M Enter your freq. e.g. 28.0M =28.00 MHz -3 5 = 5VDC 3 = 3.3VDC D= E= F= G= E ±100 PPM ±50 PPM ±25 PPM ±20 PPM N Blank* = 0~+70 N = -40~+85 -T Blank*= 50±10% T = -50±5% CO CO = Complimentary Output NOTE: - Deviations on all parameters available. Please consult Oscilent for details. DEFINITIONS: - Click on the characteristic names above, for definitions of the particular characteristic. *STANDARDS: - "Blank" part number selections, indicate standard variables for the particular characteristic. PACKAGING: - Add -TR for Tape/Reel. Click here for tape/reel specifications Series No.: 494 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map
494-28.0M-5DN-T
物料型号: - 系列编号:494 - 频率:28.0 MHz - 电压供应选项:5VDC或3.3VDC - 频率容差与稳定性:±100 PPM、±50 PPM、±25 PPM、±20 PPM - 工作温度:0~+70°C(标准)/-40~+85°C(选项) - 占空比:50%±10%(标准)/50%±5%(选项) - 引脚1连接:互补输出(Complimentary Output)

器件简介: - 494系列是表面贴装晶体振荡器,具有40/60%的波形对称性、PECL输出、行业标准的6 Pad PCB J-Lead SMD封装,符合RoHS/无铅标准。

引脚分配: - #1:互补输出 - #2:三态使能低 - #3:地 - #4:输出 - #5:不使用(N.C.) - #6:电源电压(Vdd)

参数特性: - 正ECL方波(PECL) - 供电电压(VDD):3.3V±10%或5.0V±10% - 频率范围(fo):19.440~180.0 MHz(基频、三倍频、五倍频/UM-1) - 工作温度(TOPR):0~+70°C(标准)/-40~+85°C(选项) - 存储温度(TSTG):-55~+125°C - 整体频率稳定性:+20 PPM(仅0~+70°C),±25 PPM、±50 PPM、±100 PPM(最大值) - 输入电流(IDp):最大80 mA或120 mA - 老化:±1 PPM/年 - 上升时间(TR):最大2 ns - 下降时间(TF):最大2 ns - 输出电压高“1”(VOH):VDD-1.025 min. - 输出电压低“0”(VOL):VDD-1.620 max. - 负载:50 Ohms - 启动时间(Ts):最大10 ms - 抖动:RMS最大3.5 ps

功能详解: - 494系列振荡器提供PECL输出,具有优秀的波形对称性和频率稳定性,适用于需要精确时钟信号的应用。

应用信息: - 适用于需要表面贴装晶体振荡器的应用,如通信设备、计算机、工业控制系统等。

封装信息: - 采用行业标准的6 Pad PCB J-Lead SMD封装,具体尺寸图请参考PDF文档中的图表。
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