SJ-A1440

SJ-A1440

  • 厂商:

    NEL

  • 封装:

  • 描述:

    SJ-A1440 - Frequency Range: 10.0 MHz to 250.0 MHz - Nel Frequency Controls,inc

  • 详情介绍
  • 数据手册
  • 价格&库存
SJ-A1440 数据手册
SJ-A1440 Series LVCMOS SJ-A1440 Series Rev P Frequency Range: 10.0 MHz to 250.0 MHz Description The SJ-A1440 Series of quartz crystal oscillators provide enable/disable 3-state LVCMOS compatible signals for bus connected systems. Supplying Pin 1 of the SJ-A1440 units with a logic “1” or open enables its Pin 3 output. In the disable mode, Pin 3 presents a high impedance to the load. Features Size, mm 9 x 14 I/O 4 J Lead Supply Voltage 3.3V / 5V • High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions • Low jitter - Wavecrest jitter characterization available • Wide frequency range—10.0 MHz to 250.0 MHz • User specified tolerance available • Will withstand vapor phase temperatures of 253°C for 4 minutes maximum • Space-saving alternative to discrete component oscillators • High shock resistance, to 3000g • Metal lid electrically connected to ground to reduce EMI • 3.3 Volt operation • High Q crystal actively tuned oscillator circuit • Power supply decoupling internal • No internal PLL avoids cascading PLL problems • Low power consumption • Gold plated leads • RoHS Compliant, Lead Free Construction Creating a Part Number SJ - A144X - FREQ Package Code SJ 4 J Lead 9x14 mm SMD Input Voltage Code Specification A 3.3 V 5V Tolerance/Performance 0 ±100 ppm 0-70°C 1 ±50 ppm 0-70°C 7 ±25 ppm 0-70°C 9 Customer Specific A ±20 ppm 0-70°C B ±50 ppm -40 to +85°C C ±100 ppm -40 to +85°C Drawing Specifications Electrical Connection Pin 1 2 3 4 Connection Enable Input Ground & Case Output VDD For the most up to date specifications on each NEL product, log on to our website— www.nelfc.com Dimensions shown in inches and millimeters. 357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone: 262-763-3591 Fax: 262-763-2881 Email: nelsales@nelfc.com www.nelfc.com LVCMOS SJ-A1440 Series Rev P Frequency Range: 10.0 MHz to 250.0 MHz Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol — — VOL VOH tr, tf — — — — dF/F Frequency Duty Cycle Logic 0 Logic 1 Rise & Fall Time Tpz Jitter, RMS(2) Enable Voltage Disable Voltage Frequency Stability(1) — @VDD/2 @600 µA @600 µA 10-90% — — — — Overall conditions including: voltage, calibration, temp., 10 yr aging, shock, vibration Conditions 10.0 MHz 45/55% — VDD -0.2 V — — — 2.0V — -100 ppm Min Typical — — — — — — — — — — 250.0 MHz 55/45% 0.2 V — 2 ns 100 ns 3 psec — 0.8V +100 ppm Max Supply Voltage Supply Current Output Current Operating Temperature Storage Temperature Power Dissipation Lead Temperature Load Start-up Time General Characteristics Parameter (3) Symbol VDD IDD IO TA TS PD TL — tS — No Load — — — — Soldering, 10 sec. — — Conditions 2.97 V 0.0 mA 0.0 mA 0ºC -55ºC — — — — Min Typical 3.3 V 40 mA — — — — — — 2 ms 3.63 V 60 mA ±25.0 mA 70ºC 125ºC 218 mW 300ºC 15 pf 10 ms Max Environmental and Mechanical Characteristics Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal Per MIL-STD-202, Method 213, Condition E Per MIL-STD-833, Method 1011, Condition A 0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55 Hz to 2000 Hz 300ºC for 10 seconds Leak rate less than 1 x 10 -8 atm.cc/sec of helium Footnotes: 1) Standard frequency stability (±20, ±25, ±50 ppm & others available). 2) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization. RMS jitter bandwidth of 12kHz to 20MHz. 3) Internal high frequency power source decoupling. Test Load
SJ-A1440
物料型号: - 型号为SJ-A1440系列。

器件简介: - SJ-A1440系列晶体振荡器提供使能/禁用的3态LVCMOS兼容信号,适用于总线连接系统。当SJ-A1440单元的引脚1供应逻辑“1”或开路时,启用其引脚3输出。在禁用模式下,引脚3对负载呈现高阻抗。

引脚分配: - 引脚1:使能/禁用控制。 - 引脚3:输出。

参数特性: - 频率范围:10.0 MHz至250.0 MHz。 - 工作电压:3.3V/5V。 - 频率稳定性:整体条件包括电压、校准、温度、10年老化、冲击、振动,范围为-100 ppm至+100 ppm。 - 占空比:@VDD/2时为45/55%至55/45%。 - 逻辑0和逻辑1的电压水平也有具体数值。

功能详解: - 高可靠性:NEL HALT/HASS认证,适用于晶体振荡器启动条件。 - 低抖动:可提供Wavecrest抖动特性。 - 宽频率范围:10.0 MHz至250.0 MHz。 - 用户指定的容差。 - 能承受253°C的蒸汽相温度最多4分钟。 - 节省空间的离散组件振荡器替代品。 - 高抗震性,达到3000g。 - 金属盖与地面电气连接以减少EMI。 - 3.3伏操作。 - 高Q晶体主动调谐振荡器电路。 - 内部电源解耦。 - 无内部PLL避免级联PLL问题。 - 低功耗。 - 镀金引线。 - 符合RoHS标准,无铅结构。

应用信息: - 适用于需要精确频率和低抖动的总线连接系统。

封装信息: - 封装代码:SJ 4 J Lead 9x14 mm SMD。
SJ-A1440 价格&库存

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