EG-2102CA
-High frequency PECL Oscillator-
♦
Features
•
Generates high frequency clock from a high stability SAW (surface acoustic wave) resonator.
•
Differential LV-PECL output.
•
Very low jitter/low phase noise.
•
Small SMD in 7x5mm, Max1.4mm height, ceramic package.
♦
Applications
•
10Gigabit Ethernet, Fibre channel, High-end Server
♦
Absolute Maximum Ratings
Item
Supply Voltage
Storage temperature
Solder heat resistance of the
outer lead
♦
Operating range
Item
Supply voltage
Operating temperature
Output load
♦
Frequency characteristics
Item
Oscillation Range
Frequency Stability
Symbol
V
CC
Tstg
Tsol
Unit
V
°C
MIN.
-0.5
-40
TYP.
MAX.
+4.0
+100
Condition
V
CC
- GND
Stored as bare product after
unpacking
Max. 240°C x Max. 10s x 2 times
Symbol
V
CC
T
OPR
RL
Unit
V
°C
Ω
MIN.
3.0
0
-5
TYP.
3.3
MAX.
3.6
+70
+85
Condition
P version
R version
Terminated to V
CC
-2V
50
Symbol
fosc
df/f0
Unit
MHz
ppm
(V
CC
=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V)
MIN.
TYP.
MAX.
Condition
100
700
+/-100
H stability *1
+/-50
G stability *1
st
Aging
dfa
ppm
+/-5 1 year
N (Excluding Aging) condition
*1 This includes initial frequency tolerance, temperature variation, supply voltage variation, load variation and reflow drift.
Condition “A” includes 10yrs aging. Condition “N” doesn’t include aging.
♦
Electrical characteristics
Item
Start up time
Current consumption
Disable current
Rise time
Fall time
Duty
at outputs crossing point
High level output voltage
Low level output voltage
High level input voltage
Low level input voltage
Output disable time
Output enable time
Phase Jitter *2
Period Jitter *3
n=50000 samples
(V
CC
=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V)
MIN.
TYP
MAX.
Condition
10
t=0 at V
CC
=3.135V
80
100
With 50Ω load
32
OE=GND
400
20-80% of (VOH-VOL)
400
80-20% of (VOH-VOL)
45
55
P version. 100 to 700MHz
48
52
D version. <350MHz
Vcc-1.03
2.35
Vcc-0.88
V
CC
=3.3V, *4
Vcc-1.81
1.60
Vcc-1.62
V
CC
=3.3V
0.7V
CC
OE Terminal.
0.3V
CC
OE Terminal.
100
When OE turns High to Low.
100
When OE turns Low to High.
-3
0.072x10
12KHz to 20MHz, rms
0.103x10
5
3
3
25
4
-3
Symbol
t
osc
I
OP
I
OE
t
TLH
t
THL
tw/t
V
OH
V
OL
V
IH
V
IL
T
PXZ
T
PZX
t
PJ
t
DJ
t
RJ
t
RMS
t
p-p
t
acc
Unit
ms
mA
mA
ps
ps
%
V
V
V
V
ns
ns
UI
UI
ps
ps
ps
ps
ps
50KHz to 80MHz, rms
10
4
4
40
5
Deterministic Jitter
σ
of Random Jitter
σ
of Total jitter distribution
Peak to Peak of jitter distribution
σ
of Total jitter distribution
Accumulated Jitter *3
n=2 to 50000 cycles
*2 Measured by SSB phase noise test equipment. *3 Measured by Time interval analyzer or oscilloscope. *4 V
OH
= Vcc-1.09 MIN at Ta<0°C
EPSON ELECTRONICS AMERICA, INC.
www.eea.epson.com
EG-2102CA Rev 1.1 2Y5
SEIKO [ SEIKO EPSON CORPORATION ]
