490-28.0M-5GN-T

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OSCILENT
封装：
描述：
490-28.0M-5GN-T - 4 Pad J-Lead Ceramic PECL Output - Oscilent Corporation

数据手册：

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490-28.0M-5GN-T 数据手册

Oscilent Corporation | 490 Series Surface Mount Crystal Oscillator Page 1 of 2 SMD Oscillators Series Number Package Description Last Modified 490 4 Pad J-Lead Ceramic PECL Output Jan. 01 2002 FEATURES - Wave form symmetry of 40/60% - PECL output - Industry standard 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. PIN CONNECTIONS Oscilent Corporation | 490 Series Surface Mount Crystal Oscillator Page 2 of 2 #1 Complimentary Output or Tri-State Enable Low #2 Ground #3 Output #4 Vcc PART NUMBER GUIDE Series Number Frequency Voltage Supply Option Frequency Tolerance & Stability (max.) Operating Temp. (° C) Duty Cycle Pin 1 Connection 490 Oscilent SMD Oscillators - 28.0 M Enter your freq. e.g. 28.0M = 28.00 MHz -5 5 = 5VDC 3 = 3.3VDC D= E= F= G= D ±100 PPM ±50 PPM ±25 PPM ±20 PPM N Blank* = 0~+70 C = -10~+70 D = -20~+70 L = -20~+75 N = -40~+85 P = 0~+85 -T Blank*= 50±10% T = -50±5% CO CO = Complimentary Output TS = Tri-State Enable Low 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 Oscilent Corporation - CALL 949.252.0522 18195 East McDurmott Street . Building D . Irvine . CA 92614 . USA Fax: 949.252.0599 . E-Mail: Sales@Oscilent.com Series No.: 490 Crystal Oscillators | Quartz Crystal | TCXO | VCXO | IF SAW Filter | RF SAW Filter | Ceramic Resonator Crystal Filter | Ceramic Filter | SAW Filter / SAW Devices | Site Map

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490-28.0M-5GN-T

### 物料型号 - Series Number：490系列

### 器件简介 - Features： - 波形对称性为40/60% - PECL输出 - 行业标准的J-Lead SMD封装 - 符合RoHS/无铅标准

### 引脚分配 - #1：互补输出或三态使能低 - #2：地 - #3：输出 - #4：电源Vcc

### 参数特性 - 输出逻辑：正ECL方波（PECL） - 供电电压（VDD）：3.3±10% 或 5.0±10% VDC - 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（可选） - 存储温度（TSTG）：-55~+125°C - 整体频率稳定性：+20 PPM（仅0~+70°C），±25、±50、±100 PPM最大值 - 输入电流（IDp）：最大80 mA（PECL输出时120 mA） - 老化：±1 PPM/年，25°C - 上升时间（TR）：最大2 ns（波形的20%至80%） - 下降时间（TF）：最大2 ns（波形的20%至80%） - 输出高电平“1”VOH：VDD-1.025最小值 - 输出低电平“0”VOL：VDD-1.620最大值 - 负载：50欧姆 - 占空比：波形的50%，标准为50±10%，可选为50±5% - 启动时间（Ts）：最大10 ms - 抖动：RMS最大3.5 ps

### 功能详解 - 该振荡器提供PECL输出，具有行业标准的J-Lead SMD封装，支持RoHS/无铅标准，适用于需要精确频率和低抖动的应用。

### 应用信息 - 适用于需要稳定频率输出和低抖动的电子设备。

### 封装信息 - 封装类型：4 Pad J-Lead Ceramic

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