电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

SiT3701AC-44-18A-4.00000T

产品描述standard clock oscillators 40mhz 1.8volts apr30 100ppm -20c +70c
产品类别无源元件   
文件大小115KB,共4页
制造商SiTime
下载文档 全文预览

SiT3701AC-44-18A-4.00000T概述

standard clock oscillators 40mhz 1.8volts apr30 100ppm -20c +70c

文档预览

下载PDF文档
SiT3701
Smallest Voltage Controlled MEMS Oscillator (VCMO)
Features, Benefits and Applications
The world’s only VCMO with programmable pull range: ±60 PPM, ±120 PPM, ±240 PPM
Typical pull range linearity of 0.06%
1-110 MHz frequency range
LVCMOS/LVTTL compatible output
Typical power consumption of 6.1 mA in active mode
Typical VCMO tuning voltage: 0 V to 1.85 V for all Vdds
Four industry-standard 4-pin packages: 2.5 x 2.0, 3.2 x 2.5, 5.0 x 3.2, 7.0 x 5.0 mm
All-silicon timing device with outstanding reliability of 2 FIT (10x improvement over
quartz-based devices), enhancing system MTBF
Ultra short lead time
Ideal for Set-top Box, DTV, DVD-R, instrumentation, low bandwidth analog PLL,
networking and communications
Specifications
Electrical Characteristics
Parameter
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
1
-20
-25
-30
-50
Pull Range
[1,2]
Typ.
±60, ±120, ±240
0.06
Positive slope
1.8
2.5
2.8
3.3
6.7
6.1
1
1
Max.
110
+20
+25
+30
+50
1.85
0.1
0.25
+70
+85
1.89
2.75
3.08
3.63
7.5
6.7
55
60
2.0
2.5
Unit
MHz
PPM
PPM
PPM
PPM
PPM
V
V
%
°C
°C
V
V
V
V
mA
mA
%
%
ns
ns
%Vdd
Condition
Inclusive of: Initial stability, operating temperature, rated power,
supply voltage change, load change.
±20 PPM is available for extended commercial temperature
only.
PR
VC_U
VC_L
Lin
T_use
Vdd
1.55
0
-20
-40
1.71
2.25
2.52
2.97
45
40
90
Upper Control Voltage
Lower Control Voltage
Linearity
Frequency Change Polarity
Operating Temperature Range
Supply Voltage
All Vdds. Voltage at which maximum deviation (+60, +120,
+240 PPM) is guaranteed.
All Vdds. Voltage at which maximum deviation (-60, -120,
-240 PPM) is guaranteed.
Extended Commercial
Industrial
Current Consumption
Duty Cycle
Rise/Fall Time
Output Voltage High
Idd
DC
Tr, Tf
VOH
No load condition, f = 20 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V
No load condition, f = 20 MHz, Vdd = 1.8 V
All Vdds. f <= 75 MHz
All Vdds. f > 75 MHz
Vdd = 2.5, 2.8 or 3.3 V, 20% - 80% Vdd level
Vdd = 1.8 V, 20% - 80% Vdd level
IOH = -4 mA (Vdd = 3.3 V)
IOH = -3 mA (Vdd = 2.8 V and Vdd = 2.5 V)
IOH = -2 mA (Vdd = 1.8 V)
IOL = 4 mA (Vdd = 3.3 V)
IOL = 3 mA (Vdd = 2.8 V and Vdd = 2.5 V)
IOL = 2 mA (Vdd = 1.8 V)
Maximum frequency and supply voltage
Contact SiTime for higher output load
Time @ minimum supply voltage to be zero
f = 75 MHz, Vdd = 1.8 V
f = 75 MHz, Vdd = 2.5 V, 2.8 V or 3.3 V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,
VDD = 2.5 V, 2.8 V, or 3.3 V
f = 75 MHz, Integration bandwidth = 900 kHz to 7.5 MHz,
VDD = 1.8 V
Output Voltage Low
VOL
10
%Vdd
Output Load
Start-up Time
RMS Period Jitter
RMS Phase Jitter (random)
Ld
T_osc
T_jitt
T_phj
0.6
0.8
15
10
6
4
pF
ms
ps
ps
ps
ps
Notes:
1. Absolute Pull Range (APR) is defined as the guaranteed pull range over temperature and voltage.
2. APR = pull range (PR) - frequency stability (F_stab).
SiTime Corporation
Rev. 1.51
990 Almanor Avenue
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised August 9. 2010
年前高分3问:三串口支持,LCD,KITL
一:YL2440BSP三串口支持问题,YL已经做了3串口支持,我也在网上搜了很多这方面的资料,串口2能实现功能但是串口3不能实现。串口3是作为红外用的,我是把涉及红外的地方都给注释了,网上的资料也 ......
queen 嵌入式系统
Communications Network Test and Measurement Handbook.PDF
寒假回家前人品爆发第一帖。 书名:Communications Network Test and Measurement Handbook 来源:Downloaded from Digital Engineering Library @ McGraw-Hill 版权:Copyright © 20 ......
wangjiafu1985 测试/测量
【FPGA设计技巧问题】延时问题
背景:RTL代码中写了一个寄存器可控的延时逻辑对输入clk进行调节,使用了9个SMIC18的DLY单元串接而成。DC综合是设成了don't touch。问题:查datasheet可得,DLY单元的上升沿和下降沿的延时是不 ......
eeleader FPGA/CPLD
我有《Windows CE实用开发技术》电子档,谁要?
——————————————————————————————我有这本书的电子档! 是我费了三牛一虎之力叫一小弟从学校图书馆电子书破解出来的,网上已经没有卖了。网上根本没有这本书的电 ......
gaoshideng 嵌入式系统
LRC
此内容由EEWORLD论坛网友hewende87原创,如需转载或用于商业用途需征得作者同意并注明出处 有需要PCB的没 ...
hewende87 DIY/开源硬件专区
光敏二极管接收到的遥控信号怎么没有38KHz载波呢?
C:\Documents and Settings\Owner\桌面\clip_image002.gif 输出的波形和一体化接收头HS0038B的波形基本相同,没有载波,为什么?急需解决。...
shengwenju 嵌入式系统

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 1909  1895  116  1741  250  21  53  25  42  27 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved