2.5V LVDS compatible NEW-SAW Oscillator
•
•
•
•
•
•
EG - 2121CA
(Product number: Q3805CA1*****00)
Frequency range:
53.125 ~ 700 MHz
•
Package: 5×7×1.4 mm
-6
-6
Frequency stability:
+/-50×10 , +/-100×10
•
Output Control (OE)
Operating Temperature: 0 ~ +70 °C / -5 ~ +85 °C
•
Low consumption: 20mA
TYP
Very low jitter. (Fundamental High stability NEW-SAW)
Heat resistance allows reflow soldering for Pb-Free
Application: Ethernet(Switch/Router), Fibre Channel(SAN), Serial-ATA(HDD) , DVD(VIDEO) , 1394b etc
1. Absolute Maximum Rating
Item
Power supply voltage
Operating voltage
Storage temperature
Symbol
Min.
-0.5
-0.5
-40
Typ.
Max.
4.0
V
CC
+0.5
+100
Unit
V
V
°C
Condition
V
CC
V
IN
T
STG
Stored as bare product
2. Electrical Characteristics
Item
Operating voltage
Current consumption
Output disable current
Input voltage
OE input voltage
OE input current
Symbol
P:
Ta = 0 ~ +70 °C,
R
:
Ta = -5 ~ +85 °C
Min.
2.375
Typ.
2.5
20
GND
0.7×V
CC
Max.
2.625
30
20
V
CC
0.3×V
CC
1
-10
454
50
1.375
150
10
52
55
60
400
Unit
V
mA
mA
V
V
V
uA
uA
mV
mV
V
mV
ms
%
ps
OE = V
CC
OE = GND
OE Terminal
Condition
V
CC
I
CC
I
OE
V
IN
V
IH
V
IL
I
IH
I
IL
V
OD
dV
OD
V
OS
dV
OS
t
OSC
t
w
/ t
t
R
, t
F
-100
247
1.125
350
1.25
Output voltage
*1
Start up time
Duty
Output rise and fall time
OE = V
CC
OE = GND
V
OD1 ,
V
OD2
dV
OD
= |V
OD1
-V
OD2
|
Voltage offset (V
OS1
, V
OS2
)
dV
OS
= |V
OS1
-V
OS2
|
t=0 at V
CC
= 2.375 V
<=175MHz(V type)
53.125
~
350MHz
>350MHz
at outputs
crossing
point
48
45
40
20% ~ 80% of V
OD
*Note 1 : DC characteristics / R
L
=100OHM
3. Frequency Characteristics
Item
Output frequency range
Frequency stability
*2
Symbol
Min.
53.125
-50
-100
Typ.
Max.
700.000
+50
+100
Unit
MHz
×10
ps
ps
ps
ps
ps
UI
ps
-6
Condition
P:
Ta = 0 ~ +70 °C
R:
Ta = -5 ~ +85 °C
Deterministic Jitter
Random Jitter
Sigma
Peak to Peak
n = 2 ~ 50,000 cycles
@156.25MHz
f
0
df / f
0
t
DJ
G
H
5
3
3
25
4
0.044×10
0.29
-3
10
4
4
40
5
Jitter
t
RJ
t
RMS
t
p-p
t
acc
t
PJ
Accumulated Jitter
Phase Jitter
(12 k to 20 MHz)
*Note 2 : Please contact to EPSON about Standard Frequency.
*Note : Please place a 0.01 uF to 0.1 uF capacitor closely between V
CC
and GND to obtain stable operation and protest against power line ripple.
SEIKO EPSON CORPORATION Quartz Device Div.
Rev.1.3
4. Timing Chart
V
CC
min
5.Phase Noise Characteristics
-40
EG-2121 156.25MHz LVDS
V
CC
OUTN
OUT
t
osc
Cross
point
t
tw
Hi-z
-60
V
OD1
V
OD2
V
OS1
V
OS2
V
OD1
V
IH
V
OD2
dBc / Hz
-80
-100
-120
-140
-160
1.E+02
1.E+03
1.E+04
1.E+05
1.E+06
1.E+07
t
R
OUT-OUTN
GND
(V
OD
)
80%
20%
t
F
OE
V
IL
frequency
6. External Dimensions ( Unit : mm )
7.0±0.2
#6
#5
#4
1.4 M ax
#4
5.08
#5
#6
1.10
Test Circuit
E EG-2121
500.000L
OHRA21MA
#1
#2
#3
#3
#2
A
By-pass
capacitor 1
2.60
Test Point
+2.5V
V
CC
OE
terminal
OUTN
OUT
100
Test Point
5.0±0.2
#1
1.40
0.70
(Metallize)
•Soldering position
0.94
1.60
Power
supply
1.50
OE
NC
GND
By-pass
capacitor 2
N o.
#1
#2
#3
#4
#5
#6
Pin N ame
OE
N.C.
GND
OUT
OUTN
V
C C
(1)By-pass capacitor 1(approx. 0.01 uF to 0.1 uF) is placed
closely between V
CC
to GND.
(2)By-pass capacitor 2 (approx.10 uF) is placed closely
between V
CC
to GND.
2.40
5.08
7. Product Codes
EG-2121CA
125.000
L
H
R
A
Frequency detail:
Temperature Range:
Frequency Stability:
Output:
L***
0~+70
**P*
-5~+85
**R*
3.90
A
: All include,
N:
Standard (without aging)
P:
0~ +70 °C ,
R:
-5~ +85°C
G:
+/-50×10
-6
,
J:
+/-75×10
-6
,
H:
+/-100×10
-6
L:
LVDS ,
V:
LVDS(+/-2%)
+/-100×10
-6
+/-75×10
-6
+/-50×10
-6
*3
V***
*H**
*J**
*G**
A/N
-----
A
*4
/N
A/N
A/N
N
*
Note 3: This includes initial frequency tolerance, temperature, supply voltage variation and 10 years aging. , *Note 4:Contact EPSON
NOTICE
• No part of this material may be reproduced or duplicated in any form or any means without the written permission of Seiko Epson.
• Seiko Epson reserves the right to make changes to this material without notice.
• Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material or due to its application
or use in any product or circuit and, further, there is no representation that this material is applicable to products requiring high level
reliability, such as, medical products.
• Moreover, no license to any intellectual property rights is granted by implication or otherwise, and there is no representation or warranty
that anything made in accordance with this material will be free from any patent or copyright infringement of a third party.
• This material of portions thereof may contain technology or the subject relating to strategic products under the control of the Foreign
Exchange and Foreign Trade Law of Japan and may require an export license from the Ministry of international Trade and industry
or other approval from another government agency.
©
SEIKO EPSON CORPORATION
Electronic devices information on WWW server
ELECTRONIC DEVICE MARKETING DEPARTMENT
http://www.epsondevice.com
EPSON ELECTRONICS AMERICA, INC.
HEADQUARTER
150 River Oaks Parkway, San Jose, CA 95134, U.S.A.
Phone: (1)800-228-3964 (Toll free) : (1)408-922-0200 Fax: (1)408-922-0238
EPSON EUROPE ELECTRONICS GmbH
HEADQUARTER
Riesstrasse 15, 80992 Munich, Germany
Phone: (49)-(0)89-14005-0 Fax: (49)-(0)89-14005-110
EPSON (CHINA) CO., LTD.
23F, Beijing Silver Tower 2# North RD DongSangHuan ChaoYang District, Beijing, China
Phone: (86) 10-6410-6655 Fax: (86) 10-6410-7319
4F, Bldg.,27, No.69, Guijing Road, Caoheijing, Shanghai, China
Phone: (86) 21-6485-0835 Fax: (86) 21-6485-0775
EPSON HONG KONG LTD.
20/F., Harbour Centre, 25 Harbour Road, Wanchai, Hong kong, China
Phone: (852) 2585-4600 Fax: (852) 2827-2152
EPSON ELECTRONIC TECHNOLOGY DEVELOPMENT (SHENZHEN )CO., LTD.
Flat 16A, 16/F, New Times Plaza, No.1 Taizi Road, Shenzhen, China
Phone: (86) 755-6811118 Fax: (86) 755-6677786
EPSON TAIWAN TECHNOLOGY & TRADING LTD.
10F, No.287, Nanking East Road, Sec.3, Taipei
Phone: (886) 2-2717-7360 Fax: (886)2-2718-9366
EPSON SINGAPORE PTE. LTD.
No.1, Temasek Avenue #36-00, Millenia Tower, Singapore 039192
Phone: (65) 337-7911 Fax: (65) 334-2716
SEIKO EPSON CORPORATION KOREA Office
50F, KLI 63 Building,60 Yoido-dong, Youngdeungpo-Ku, Seoul, 150-763, Korea
Phone: (82) 2-784-6027 Fax: (82) 2-767-3677
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