WMSIC Electronic Components

HCI 3111M-32.768DTTLNN-R80 3111M

Model3111M-32.768DTTLNN-R80
PackageSMD1610-2P
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 3111M-32.768DTTLNN-R80
Type
HCI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HCI
Electronic Component
3111M-32.768DTTLNN-R80
Electronic Component
1
Package
SMD1610-2P
Electronic Component
Passive Crystal Oscillator
Electronic Component
1g
Frequency
32.768kHz
Electronic Component
1
Electronic Component
BM0264982116
Operating Temperature
40℃~+85℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
12.5pF
Frequency
±10ppm
Electronic Component
Electronic Component

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

3111M-32.768DTTLNN-R80 产品概述

一、产品简介

3111M-32.768DTTLNN-R80 是杭晶(HCI)出品的一款贴片晶振,工作频率为标准的 32.768 kHz,封装形式为 SMD1610-2P。该器件以紧凑体积、低功耗和高温度范围稳定性为设计目标,专为实时时钟(RTC)、低功耗微控制器及便携式电子设备提供精准的时间基准。

二、主要电气参数

  • 频率:32.768 kHz
  • 常温频差:±10 ppm(初始容差)
  • 频率稳定度:±10 ppm(在工作温度范围内)
  • 负载电容:12.5 pF
  • 等效串联电阻(ESR):80 kΩ
  • 工作温度:-40 ℃ ~ +85 ℃
  • 封装:SMD1610-2P(小尺寸、双端焊盘)

三、关键特性与优势

  • 高精度:常温初始频差与全温区稳定度均为 ±10 ppm,适合对时间精度要求高的 RTC 应用。
  • 小尺寸:SMD1610-2P 封装适配空间受限的便携式与可穿戴设备。
  • 宽温度范围:-40 ℃ 至 +85 ℃ 满足工业级工作环境需求。
  • 低功耗匹配:配合微控制器低频振荡输入,可实现极低的待机能耗,延长电池寿命。
  • 易于贴装:标准贴片工艺兼容回流焊,利于自动化产线。

四、应用建议

  • 低功耗手表、便携式医疗设备、可穿戴设备与智能手环的 RTC。
  • 智能电表、传感节点、物联网终端的时间基准与唤醒定时。
  • 微控制器的外部晶振输入以及备用电源域的时钟源。

五、设计与布局注意事项

  • 负载电容:器件标称 CL=12.5 pF,建议在两端各并联外接电容时按 PCB 寄生电容(通常 23 pF)计算,典型单侧外接电容约 1822 pF;实际值应通过调试确认频率精度与启动性能。
  • ESR 与启动时间:80 kΩ 的等效串联电阻意味着启动时间相对较长,系统设计应保证电源稳定与足够的振荡驱动时间。
  • 布局:晶振附近走短、独立的走线并避免高频或大电流回路干扰;接地点应靠近晶振的地端并做良好固连。

六、选型要点与可靠性

选择本型号时应关注目标系统对频率精度、启动时间与温度稳定性的具体要求。3111M-32.768DTTLNN-R80 在尺寸与性能上对 RTC 与低功耗终端提供平衡的解决方案,适用于需要长期稳定计时且受限于 PCB 面积的产品。若应用需更快启动或更低 ESR,可与供应商沟通更适配的型号或评估外部驱动电路调整。

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