EEWORLDEEWORLDEEWORLD

Part Number

Search

SIT3921AI-2C2-25NB74.250000Y

Description
OSC DCXO 74.2500MHZ LVDS SMD
CategoryPassive components   
File Size380KB,12 Pages
ManufacturerSiTime
Environmental Compliance
Download Datasheet Parametric View All

SIT3921AI-2C2-25NB74.250000Y Overview

OSC DCXO 74.2500MHZ LVDS SMD

SIT3921AI-2C2-25NB74.250000Y Parametric

Parameter NameAttribute value
typeDCXO
frequency74.25MHz
Function-
outputLVDS
Voltage - Power2.5V
frequency stability±25ppm
Operating temperature-40°C ~ 85°C
Current - Power (maximum)55mA
grade-
Installation typesurface mount
Package/casing6-SMD, no leads
size/dimensions0.197" long x 0.126" wide (5.00mm x 3.20mm)
Height - Installation (maximum)0.032"(0.80mm)
Current - Power (disabled) (maximum)-
SiT3921
Digitally Controlled Differential Oscillator (DCXO)
The Smart Timing Choice
The Smart Timing Choice
Features
Applications
Factory programmable between 1 MHz and 220 MHz accurate to 6
decimal places
Digital controlled pull range
Widest pull range options: ±25, ±50, ±100, ±200, ±400, ±800, ±1600
ppm
Superior pull range linearity of <= 1%, 10 times better than quartz
< 1ps RMS phase jitter (random) over 12 kHz to 20 MHz bandwidth
Industrial and extended commercial temperature ranges
Industry-standard packages: 3.2 mm x 2.5 mm, 5.0 mm x 3.2 mm and
7.0 mm x 5.0 mm
For frequencies higher than 220 MHz, refer to SiT3922 datasheet
Ideal for SONET, Video, Instrumentation, Satellite applications
Telecom, networking, broadband
Electrical Characteristics
Parameters
Output Frequency Range
Frequency Stability
Symbol
f
F_stab
Min.
1
-10
-25
-50
Operating Temperature Range
Start-up Time
Duty Cycle
Pull Range
Linearity
Frequency Change Polarity
First Year Aging
10-year Aging
Input Low Voltage
Input Middle Voltage
Input High Voltage
Input High or Low Pulse Width
Input Middle Pulse Width
Input to Output Isolation
Input Impedance
Input Capacitance
Zin
Cin
TBD
2.97
2.25
Vdd-1.1
Vdd-1.9
1.2
RMS Period Jitter
RMS Phase Jitter (random)
T_jitt
T_phj
3.3
2.5
61
1.6
300
1.2
1.2
1.2
0.5
TBD
3.63
2.75
69
30
Vdd-0.7
Vdd-1.5
2.0
500
1.7
1.7
1.7
0.75
T_use
T_start
DC
PR
Lin
F_aging
VIL
VIM
VIH
T_logic
T_middle
-1.5
-5
0.4xVdd
0.8xVdd
500
500
-40
-20
45
Typ.
Max.
220
+10
+25
+50
+85
+70
10
55
Unit
MHz
ppm
ppm
ppm
°C
°C
ms
%
ppm
%
+1.5
+5
0.2xVdd
0.6xVdd
ppm
ppm
V
V
V
ns
ns
TBD
pF
V
V
mA
mA
V
V
V
ps
ps
ps
ps
ps
Excluding Load Termination Current, Vdd = 3.3V or 2.5V
Maximum average current drawn from OUT+ or OUT-
See Figure 9
See Figure 9
See Figure 9
20% to 80%
f = 100 MHz, Vdd = 3.3V or 2.5V
f = 156.25 MHz, Vdd = 3.3V or 2.5V
f = 212.5 MHz, Vdd = 3.3V or 2.5V
f = 156.25 MHz, Integration bandwidth = 12 kHz to 20 MHz, all
Vdds
Pin 1
Pin 1
25°C
85°C
Contact SiTime for tighter duty cycle
See the last page for Absolute Pull Range, APR table
Industrial
Extended Commercial
Inclusive of initial tolerance, operating temperature, rated power,
supply voltage and load change
Condition
LVPECL and LVDS, Common DC and AC Characteristics
±25, ±50, ±100,
±200, ±400, ±800, ±1600
0.2
Positive Slope
1
LVPECL, DC and AC Characteristics
Supply Voltage
Current Consumption
Maximum Output Current
Output High Voltage
Output Low Voltage
Output Differential Voltage Swing
Rise/Fall Time
Vdd
Idd
I-driver
VOH
VOL
V_Swing
Tr, Tf
SiTime Corporation
Rev. 1.1
990 Almanor Avenue
Sunnyvale, CA 94085
(408) 328-4400
www.sitime.com
Revised December 2, 2014
How to modify the memory of MSP430 microcontroller if it is overwritten
I would like to ask the forum seniors a question. Recently, there is a project that uses MSP430F1121A and CC1101 remote control. The data defined in the memory of the MSP430 microcontroller on the rec...
眼大5子 Microcontroller MCU
Distress during treatment
I have had toothaches recently, often in the middle of the night. I took anti-inflammatory drugs last month and it got better. Later, maybe I ate spicy food and my toothache came back. Today I took a ...
wateras1 Talking
Does anyone know how the baud rate error is calculated?
Does anyone know how the baud rate error is calculated?...
QWE4562009 51mcu
Design and implementation of multi-channel zero-phase difference data acquisition system
Author: Hong Hangdi, Shanghai Marine Electronic Equipment Research Institute Data acquisition technology is a comprehensive technology based on high technologies such as front-end analog signal proces...
fighting Embedded System
Challenge the most complete UART driver in history, haha...
Student zhaojun_xf wrote the most complete UART experiment in history, but encountered the problem of spritf. I want to challenge it, haha! ! Why does this problem occur? Because there is not enough m...
chenzhufly NXP MCU
Sun board 2812
Can you guys see what is a suitable price? 1.3 System Resources· DSP processor TMS320F2812, 32-bit fixed-point high-speed digital processor, maximum operating frequency 150M; · Built-in 128K * 16-bit ...
songbo Microcontroller MCU

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2648  2016  2183  637  944  54  41  44  13  19 
Datasheet   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
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 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