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
Symbol
Unit
V
°C
MIN.
TYP.
MAX.
Condition
Supply Voltage
Storage temperature
VCC
Tstg
-0.5
-40
+4.0
+100
VCC - GND
Stored as bare product after
unpacking
Solder heat resistance of the
outer lead
Tsol
Max. 240°C x Max. 10s x 2 times
♦ Operating range
Item
Symbol
Unit
MIN.
TYP.
3.3
MAX.
Condition
Supply voltage
Operating temperature
VCC
TOPR
V
°C
3.0
0
-5
3.6
+70
+85
P version
R version
Output load
RL
Ω
50
Terminated to VCC -2V
♦ Frequency characteristics
(VCC=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V)
Item
Symbol
Unit
MIN.
100
TYP.
MAX.
700
Condition
Oscillation Range
Frequency Stability
fosc
df/f0
MHz
ppm
+/-100
+/-50
H stability *1
G stability *1
Aging
dfa
ppm
+/-5 1st 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
(VCC=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V)
Item
Symbol
Unit
MIN.
TYP
MAX.
Condition
t=0 at VCC=3.135V
With 50Ω load
Start up time
tosc
IOP
IOE
tTLH
tTHL
tw/t
ms
mA
mA
ps
ps
%
10
100
32
400
400
55
52
Vcc-0.88
Vcc-1.62
Current consumption
Disable current
Rise time
80
OE=GND
20-80% of (VOH-VOL)
80-20% of (VOH-VOL)
P version. 100 to 700MHz
D version. <350MHz
VCC=3.3V, *4
VCC=3.3V
OE Terminal.
OE Terminal.
Fall time
Duty
45
48
Vcc-1.03
Vcc-1.81
0.7VCC
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
VOH
VOL
VIH
V
V
V
2.35
1.60
VIL
V
0.3VCC
100
100
TPXZ
TPZX
tPJ
ns
ns
UI
When OE turns High to Low.
When OE turns Low to High.
12KHz to 20MHz, rms
Phase Jitter *2
0.072x10-3
0.103x10-3
UI
50KHz to 80MHz, rms
Period Jitter *3
n=50000 samples
tDJ
tRJ
tRMS
tp-p
tacc
ps
ps
ps
ps
ps
5
3
3
25
4
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 VOH = Vcc-1.09 MIN at Ta<0°C
EPSON ELECTRONICS AMERICA, INC.
www.eea.epson.com
EG-2102CA Rev 1.1 2Y5