WMSIC Electronic Components

HCI(杭晶) 1532H-49.152KWPDTS

Model1532H-49.152KWPDTS
PackageSMD3225-4P
BrandHCI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HCI 1532H-49.152KWPDTS
Type
HCI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HCI
Electronic Component
1532H-49.152KWPDTS
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Active Crystal Oscillator
Electronic Component
1g
Frequency
49.152MHz
Electronic Component
1
Electronic Component
BM0264982146
Operating Temperature
40℃~+85℃
Operating Voltage
2.5V~3.3V
Operating Current
10mA
Electronic Component
±10ppm
Output
HCMOS
Frequency
±15ppm

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

1532H-49.152KWPDTS 产品概述

一、概述

1532H-49.152KWPDTS 是杭晶(HCI)推出的一款高稳定度贴片晶振,标称频率 49.152 MHz,采用 HCMOS 输出,工作电压范围 2.5V 至 3.3V,工作电流典型值 10 mA。器件以 SMD3225-4P 小尺寸封装提供,适合高密度 PCB 布局,针对对频率精度和环境适应性有较高要求的系统提供可靠基准时钟源。

二、主要特性

  • 频率:49.152 MHz(标称)
  • 常温频差(初始容差):±10 ppm(通常指 25°C 下的出厂校准精度)
  • 频率稳定度(温度+老化等):±15 ppm(在规定的工作温度范围内)
  • 输出模式:HCMOS(CMOS 兼容数字输出)
  • 工作电压:2.5 V ~ 3.3 V(支持常见 2.5V/3.3V 逻辑电平系统)
  • 工作电流:典型 10 mA(实际电流随负载和电源电压略有变化,详见规格书)
  • 工作温度范围:-40 ℃ ~ +85 ℃(工业级)
  • 封装:SMD3225-4P(约 3.2 × 2.5 mm,四焊盘表贴封装)
  • 品牌:HCI(杭晶)

三、应用场景

1532H-49.152KWPDTS 适用于需要稳定 49.152 MHz 基准时钟的各类电子系统,典型应用包括:

  • 通信设备与网络终端(路由器、交换机、基站等)中的时钟生成与同步
  • FPGA、DSP、微控制器等数字芯片的系统时钟或子时钟源
  • ADC/DAC、采样系统与数字音频相关设备(与常用采样率/倍频关系良好)
  • 测试测量设备、时序控制模块及工业控制系统
  • 任何需要小尺寸、高稳定度、低功耗时钟源的消费或工业电子产品

四、设计与使用建议

  • 电源去耦:建议在晶振电源引脚附近放置 0.1 µF 的高频旁路电容,并靠近器件焊盘布线,以降低电源噪声对输出抖动的影响。
  • PCB 布局:SMD3225-4P 封装体积小,应保证焊盘和回流工艺一致性,并避免在晶振周围布局高频干扰源或大面积铜皮。
  • 负载匹配:HCMOS 输出为 CMOS 兼容逻辑,常见逻辑输入直接兼容;如需驱动多个负载或长线传输,请评估负载能力并适当加入缓冲器或终端匹配。
  • 温度与老化:若系统对长期相位噪声或频率漂移敏感,应考虑使用长期老化和温度补偿措施,或向供应商索取更详细的频率漂移曲线与老化数据。
  • ESD 与焊接:按常规静电防护措施处理元件,回流温度曲线遵循供应商推荐,避免超温和长时间高温。

五、选型建议与验收要点

  • 确认电压兼容性:在 2.5V 或 3.3V 系统中使用前,核实输出高低电平满足后端逻辑输入门槛。
  • 校验频差与稳定度:根据系统对时间精度的要求,比较 ±10 ppm(出厂)与 ±15 ppm(温度范围内稳定度)是否满足系统规格。
  • 评估驱动能力与相位噪声:对于高性能采样或通信系统,参考详细数据手册中的相位噪声、上升/下降时间、输出摆幅等参数。
  • 可靠性测试:在批量应用前,建议进行样机测试,包括温度循环、振动、长期运行等可靠性验证。

六、总结

1532H-49.152KWPDTS 以小尺寸封装、HCMOS 输出和工业级温度范围为特点,适合在通信、网络、采样与通用数字系统中作为高稳定度 49.152 MHz 时钟源。合理的 PCB 布局与电源去耦配合规范的使用流程,可充分发挥器件在频率精度与稳定性方面的优势。如需更详细的电气特性、相位噪声曲线或封装尺寸图,请参考杭晶(HCI)提供的完整数据手册或联系供应商获取技术支持。

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