WMSIC Electronic Components

SCTF SX2M2.048M20F30TNN

ModelSX2M2.048M20F30TNN
PackageSMD2520-4P
BrandSCTF
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
SCTF SX2M2.048M20F30TNN
Type
SCTF
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SCTF
Electronic Component
SX2M2.048M20F30TNN
Electronic Component
1
Package
SMD2520-4P
Electronic Component
Active Crystal Oscillator
Electronic Component
0.26g
Frequency
2.048MHz
Electronic Component
1
Electronic Component
BM0266107554
Operating Temperature
40℃~+85℃
Operating Voltage
1.62V~3.63V
Operating Current
10mA
Electronic Component
±20ppm
Output
CMOS
Frequency
±30ppm

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

SX2M2.048M20F30TNN有源晶振产品概述

SX2M2.048M20F30TNN是SCTF(星通时频)针对数字系统时钟需求优化的高性能CMOS有源晶振,聚焦中高精度、宽温适配、低功耗核心特性,广泛覆盖工业控制、物联网终端、数字音频等场景,是嵌入式系统时钟设计的高性价比选择。

一、核心定位与应用方向

该晶振解决传统无源晶振精度不足、普通有源晶振功耗过高/温度范围窄的痛点,重点适配三类场景:

  1. 对时钟稳定性要求严格的工业级设备(如PLC、传感器节点);
  2. 电池供电的物联网终端(如智能电表、环境监测仪);
  3. 需精准基准的数字音频/通信模块(如音频编解码、低速率无线网关)。

二、关键性能参数深度解析

1. 频率精度与稳定度

  • 标称频率:2.048MHz,为数字系统常用基准(如音频采样倍频、通信同步的基础频率);
  • 常温频差:±20ppm(25℃下实际频率偏差≤40.96Hz),远超行业±50ppm标准,有效降低时钟漂移;
  • 综合稳定度:±30ppm(覆盖温度、电压波动、老化等因素),宽温范围内仍保证时钟精度,避免数据传输错误、采样失真。

2. 电气特性兼容性

  • 工作电压:1.62V~3.63V,覆盖主流MCU(STM32、ATmega)、SoC供电范围,无需电平转换;
  • 工作电流:10mA(典型值),属于低功耗级别,适配电池供电终端及低功耗工业模块;
  • 输出负载:支持15pF~30pF电容,保证输出波形完整性。

3. 输出模式与易用性

采用CMOS电平输出,兼容TTL/CMOS逻辑接口,直接匹配数字系统时钟输入,简化电路设计(无需额外驱动电路)。

三、封装与机械特性

选用SMD2520-4P贴片封装,尺寸2.5mm×2.0mm×0.8mm(行业2520标准),4引脚定义清晰:

  • 引脚1:时钟输出(OUT);
  • 引脚2:接地(GND);
  • 引脚3:电源(VCC);
  • 引脚4:悬空(NC);
    适配自动化SMT贴装,节省PCB空间,符合小型化设计趋势(如穿戴设备、微型工业模块)。

四、环境适应性与可靠性

  • 工作温度:-40℃~+85℃,覆盖工业级温度范围,稳定工作于户外 harsh环境(车载、工业现场);
  • 存储温度:-55℃~+125℃,满足极端环境存储需求;
  • 老化特性:年老化率≤±5ppm(典型值),长期使用仍保持频率精度。

五、典型应用场景

  1. 数字音频系统:2.048MHz是44.1kHz音频采样的倍频基准(44.1kHz×46≈2.0286MHz,适配音频编解码芯片);
  2. 工业控制模块:PLC、电机控制器等,宽温特性保证极端环境下的时钟稳定;
  3. 物联网终端:智能电表、LoRa无线节点,低功耗设计延长电池续航;
  4. 通信设备:BLE模块、低速率网关,同步时钟提升数据传输可靠性。

总结

SX2M2.048M20F30TNN以中高精度、宽温适配、低功耗、小封装为核心优势,解决了数字系统时钟设计中的精度与环境适应性痛点,是工业级、物联网及消费电子领域的可靠选择。

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