【产品】专门为高精度计时设计的汽车级RTC RA8900CE，出厂已校准并带有DTCXO
爱普生的汽车级RTC RA8900CE专门为高精度计时设计，使用数字温度补偿晶体振荡器(DTCXO)技术，使精度在全温度范围内能够达到±3.4 或 ±5 ppm，相当于±9 or ±13 seconds per month。相对于其他集成到MCUs内部的需要接外接晶体单元的RTC而言，爱普生的RA8900CE无需外接晶体单元和负载电容，因为这些已经集成在内部，并且出厂前已经调整好。其具有更高的精度和更低的功耗。
优势
•内置kHz 晶体单元
•高精度，使能功能，采用数字温度补偿技术（DTCXO）
•自动备用电池切换功能
•小尺寸
•低功耗
主要特点
•出场已校准带有DTCXO的RTC，并且内部集成晶体单元
•高精度: 3.4 ppm@ 40 to +85 C ( 9 s/月.)
•时钟输出: 1 Hz, 1024 Hz, 32.768 kHz
•I 2 C Interface: Fast mode (400 kHz)
•The I2C-Bus is a trademark of NXP Semiconductors
•供电电压: 2.5-5.5 V (main), 1.6-5.5 V (备份电池)
•低功耗: 0.7 µA ( typ ) backup current
•具有AEC Q200 Grade 3 资格，适用PPAP data
爱普生开创了实时时钟先河，然后在1986年推出RTC，在2008年又第一个推出带有数字温度补偿功能（DTCXO）的RTC。爱普生一直以来在RTC模块市场都保持第一的占有率，一直引领这个市场。爱普生会一直持续的创新，致力于制造出更高精度，更低功耗，更宽工作温度范围的RTC。
RTC从本质上说，像一个给电子系统计时间的I2C通讯手表。EPSON的 RA8900CE 内部包含一个晶体单元，一个数字补偿功能的晶振(DTCXO)。其计数器能够保存时间和日期的踪迹。Epson的 RA8900CE 也带有time-keeping 功能，比如alarm和timers.
高精度带有使能功能的数字温度补偿RTC
传统的RTC精度基于内部音叉结构的晶体单元（tuning-fork crystal），温度特性依赖于此。传统晶体的精度通常是指室温环境下的精度。在整个全温度范围内-40 to +85 来看，其频率误差会达到最大-150ppm，相当于每个月6.5分钟。
Epson的汽车级DTCXO RTC RA8900CE 具体温度补偿功能，出厂校准后全温度范围-40 to +85精度< ±3.4 ppm，相当于每个月只有±9 seconds per month，这是汽车级别最基本的要求。适用于汽车时钟，娱乐，电源管理或其他汽车级别应用。
DTCXO 技术只能通过集成晶体实现。集成晶体可消除电路板上负载电容导致的频率变化，并允许振荡器和晶体组合的方式进行出厂校准。除了提高精度外，RTC内部集成晶体还节省了设计者的电路板空间，避免了因湿度或电路板漏电而导致的启动问题。
Time-Keeping Functions
所有时钟和日历功能，包括alarms and timers，都可通过 I2C 接口访问。爱普生的RA8900CE还具有频率输出引脚，可设置为1 Hz, 1024 Hz, or 32.768 kHz.
Automotive Quality
爱普生 RA8900CE 采用专用汽车生产线制造，符合所有适用的汽车质量标准，包括 AEC-Q200 3 级、ISO9001 和 TS16949。PPAP 数据可应要求提供。
Automatic Battery Backup
爱普生的RA8900CE可以检测主供电，并自动切换到电池或超级电容器，采用备用电源。爱普生 RA8900CE 适用于 2.5-5.5 V 主供电。在备份模式下，电池电压降至 1.6V 时仍然可以保持时间，2V以上仍有温度补偿功能。
Ordering Options
爱普生的RA8900CE有三种可选等级和一个封装尺寸。
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本文由Homer转载自EPSON，原文标题为:Epson Timing Devices AUTOMOTIVE RA8900CE DTCXO RTC，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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EPSON(爱普生) CMOS LSI产品选型指南
描述- ■Epson’s LSI ●With our three core technologies - low current leakage process technology that dramatically reduces standby current,system algorithms for highly efficient power utilization, and analog IPs optimally designed for low power consumption - Epson presents solutions for you to develop applications that exceed your expectations.
型号- S1D13513B01B,S1D56700D0A0,RA8804CE,S1C17F00 SERIES,S1D53230D0A0,S1D13705F00A,S1L5V000,S1L60174,S1L50000 SERIES,S1L60173,S1D13C00 SERIES,S2R72A** SERIES,RX8130CE,S1V3F351,RX-8025SA,S1C17M00 SERIES,S1V3F352,RX4803LC,S1D13709F00A,`S1D14F57,S1D13U11F00A,S1V3*** SERIES,S1D13L04F00A,S1D56220D0A0,S1L60833,S1L60834,S1D13515F00A,S1D56200D0A0,S1D13L01F00A,S2R72A54F12E,S1C17100,S1D56570D0A0,S1L60000 SERIES,S1C17589,S1L50000,S1D13A05B00B,S1V3G340F02A,S1X60000 SERIES,RX8901CE,S1D13A04F00A,S1L50122,S1L50123,S1L50124,S1D13748F00A,S1L60284,S1X50000 SERIES,S2R72A**,S1L60283,RX-4035LC,S1L61903,S1C17803,S1L61904,S1C17700 SERIES,RA8900CE,S1D13742F01A,RX4111CE,S1C31D00 SERIES,S1L61583,RA8000CE,RX8900SA,RX-8035SA,S1L61584,RX-4045NB,S1C17800,S1D13C00B00C,S1D50000 SERIES,S2D13719F00A,S1L56684,RX8900CE,S1L56683,S1D13L03F00A,S1L56682,S1D50000,S1C31D41,RX-4571LC,S1D14F57,S1L61234,S1V3***,S1L61233,S1C17705,RX-8564LC,S1C31D00,S1L50552,S1L50553,S1L5V000 SERIES,S1L50554,S1C31D01,RX-4803SA,S1X60000,RA8803SA,RX-8571SA,RX4901CE,S1L60593,S1D13L02F00A,S1L60594,S1C17703,S1C17702,S1C31W65,S1X5V000 SERIES,S1C17700,S2R72A42F12C,S1L52503,S1L52502,S1L52504,S2D13P04 SERIES,S1L51773,S1D13781F00A,S1L51772,S1L51774,S1D13748B00B,S1D13700F02A,S1L60000,RX-4571NB,RX8010SJ,S1C31W74,S1D13C00,S2D13P04B00B,RA-4565SA,S1C31W73,S1D13L01F00A100,AEC-Q200,S1C17W15,S1C17W16,S1X80000 SERIES,S1C17W18,S1C17F00,S2D13***,S1D56540D0A0,RX-4803LC,S1C17600,S1C17W12,S1C17W13,S1C17W14,S1C17604,S1L62514,S1D13C00F00C,S1L62513,S1C17602,S1C17601,S1D13*** SERIES,S1C17W04,S1X50000,S1D56710D0A0,S1D13517F00A,S1D56520D0A0,S1D13743F00A,S1L58152,S1L58153,RX-4045SA,S1L58154,S1C17153,S1C17W00,S1C17W03,S1C17711,AEC-Q100,RX-8731LC,S1D13L** SERIES,S1D56730D0A0,S1L50753,S1L50754,S1L50992,S1L50993,S1L50752,S1L50994,S1C31D51,RX-4035SA,S1C31D50,S1C17600 SERIES,S1C17622,S1C17500,S1C17W34,S1C17621,S1C17W35,S1D14F00,S1C17W36,S1D13719B00B,RX8111CE,S1C17624,S2R72A21F05E,S1L53354,S1L53352,S2S65P10F00A,S1L53353,S1D13***,S1X5V000,S1K80000 SERIES,S2R72A43F12C,S5U1C17001H1200,S1C17W22,S1C17W23,RA4803SA,S2D13P04F00A,RX-8803SA,RX-8025NB,S1V3G340F01A,S1D13513F01A,S1L55064,S1L60093,S1C17M13,S1L60094,S1C31W00 SERIES,S1C17M10,S1C17M12,S1C31W00,S1C17100 SERIES,RX-4571SA,RX6110SA,S1D13706F00A,S1L50063,S2D13*** SERIES,S1L54422,S1L50064,S1V3G340F00A,S1C17800 SERIES,S1L50062,RX-8803LC,S1D56580D0A0,RX-8571NB,S1L54423,S1L54424,RX-8035LC,S1C17M02,S1K80000,S1C17M03,S1C17M00,S1C17M01,RA4000CE,S1D13L**,S2R72A44F12C,S1C17M40,S1C17F63,RX8571LC,RX8804CE,S1C17M31,S1C17M32,S1C17M33,S1C17M34,S1C17W00 SERIES,S1L51252,S1L50283,S2D13P04,S1D56240D0A0,S1L50284,S1L60404,S1L51254,S1C17500 SERIES,S1L51253,S1L50282,S1C17F57,RX-8571LC,S1C17M30,S1C17M24,S1C17M25,S1C17M20,S1C17651,S1C17M21,S1C17M22,S1X80000,S1C17M23,S1L55062,S1L55063,S1C17653,S1L60403,S1C17656,S1D14F00 SERIES
Epson（爱普生） 实时时钟芯片（RTC）RA8900SA/CE数据手册
型号- RA8900SA,X1B000282A00500,X1B000271A00600,X1B000271A00500,X1B000271A00511,RA8900,X1B000271A00400,X1B000271A00411,RA8900CE,X1B000282AXXX00,RA8900CE UC,RA8900CE UA,RA8900CE UB
handring list
描述- ●Segment and Business area ■Printing Solutions Business Segment ▲Office and home printing business ▲Commercial and industrial printing business ■Visual Communications Business Segment ▲Visual communications business ■Manufacturing-related and wearables Business Segment ▲Manufacturing solutions business ▲Wearable products business ▲Microdevices and others business ▲PC business
型号- FC-12M,RA8804CE,XV4001BX,SR3225SAA,SG2016VHN,TG2016SMN,FA1008AN,TG-5006CE,TG-5006CG,SG-210 STF,SG3225EEN,RX-4803LC,SG3225CAN,TG7050CKN,FA-238,SG2016EGN,SG-8503CA,VG7050EBN,RX8130CE,SG7050EEN,SG3225VEN,TG-5510CA,TG7050SKN,RX-8025SA,TG2520SMN,TG-5510CB,SG5032VEN,SG7050CAN,SG-8201CJA,TG-5006CJ,SG-8018CA,SG-8018CB,TSX-3225,SG3225HBN,SG2520EHN,RX-4045SA,FA-128,SG-8201CJ,SG-8018CG,SG-8201CG,VG7050ECN,SG2016EHN,SG-8018CE,SG-8101CE,RX-8731LC,SG2016CAA,SG-8101CG,SG2520VHN,SG-8101CA,SG-8101CB,SG-3031CMA,TG5032SGN,RX-4035SA,EG-2102CB,EG-2121CB,SG2520EGN,SG2016CAN,SG-8506CA,VG7050CDN,RX8111CE,XG5032HAN,SG-3031CM,SG7050CCN,XV7011BB,XV-3510CB,RX8901CE,VG5032EFN,SG2016VGN,TG-5511CB,SG2520VGN,TG-5511CA,TG5032SFN,XG-2103CA,SG-8200CG,FC-13A,SG-8200CJ,RA4803SA,FC-135,SG5032EEN,VG7050EAN,TG5032CGN,FA-118T,SG5032CAN,XV4001KX,RX-8803SA,SG7050VAN,RX-4035LC,RX-8025NB,FA-238V,TG5032SMN,FA1612AS,XV7081BB,XV7001BB,RA8900CE,RTC-8564NB,RX4111CE,SG3225EAN,TG1612SLN,FC2012SN,MC-146,RA8000CE,RX-8035SA,RX8900SA,VG7050EFN,RX-4045NB,RX-4571SA,RX6110SA,FC3215AN,TG5032CFN,SG3225VAN,VG3225EFN,FA-20H,RX8900CE,RX-8803LC,FC2012AN,SG5032VAN,MG7050,FA2016AA,FA-238A,SG7050EAN,VG5032EDN,FC1610AN,RX-8035LC,XG-2102CA,XG-2121CA,FC-135R,RX-4571LC,TG5032CMN,VG5032VFN,XC1011SD,SG5032CCN,RA4000CE,XV7021BB,FA2016AS,TG3225CEN,TG2016SKA,RX-8564LC,TG5032SKN,VG7050VFN,MG7050 SERIES,FC1610BN,RX-4803SA,SG-9101CGA,RA8803SA,VG3225VFN,RX-8571SA,RX8804CE,FA1210AN,SG-8504CA,RX4901CE,TG7050CMN,SG2016HGN,FC2012AA,TG2520CEN,TG7050SMN,TG2016SLA,MC-30A,MC-306,RX-8571LC,TG2016SLN,TG-3541CEA,TG-3541CE,SG7050VEN,RTC-8564JE,SG2016HHN,SG5032EAN,SG-9101CB,TG5032CKN,SG-9101CA,RX-4571NB,RX8010SJ,RA-4565SA,SG-9101CE,FA2016ASA,SG-8101CGA,SG-9101CG,VG5032VDN
内置32.768KHz晶体，稳定度高达2ppm的国产实时时钟芯片在车载电子中的应用
描述- 大普通信，是一家集研发、制造、销售于一体的国家级高新技术企业，围绕时钟和射频技术，提供从芯片、器件、模组到设备的核心技术和产品解决方案，全方位满足全球通信、电力、工控、医疗、仪器仪表、导航定位、汽车电子等众多领域客户的差异化需求。
型号- INS5830A,INS5903X,NS5710C,NS5710D,INS591X,INS5609,INS5699系列,INS5699S,NS5710A,INS5101A,INS5710系列,INS5902A
电子商城
现货市场
服务
提供CE测试服务，通过晶体回路匹配分析，给出测试报告。支持EPSON所有MHz无源晶体、32.768KHz晶体。支持到场/视频直播测试，资深专家全程指导。
实验室地址： 深圳/上海 提交需求>
加工精度：精密平面磨床正负0.002；铣床正负0.02，ZNC放电正负0.01。CNC加工材料：铝、钢、聚合物等材料。专注于半导体行业、医疗器械、汽车行业、新能源行业、信息技术行业零部件加工。
最小起订量： 1个 提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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