Crystal oscillator
LOW JITTER HIGH FREQUENCY CRYSTAL OSCILLATOR
EG-2121CA
Product number (please refer to page 2)
Q 3 8 0 5 C A 0 x xxx x00
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Generates high frequency clock with fundamental mode
Very low jitter and low phase noise.
Ceramic package with 1.4 mm Max. thickness.
Excellent shock resistance and environmental capability.
Differential LV-PECL output.
Provided with output enable function (OE).
Actual size
Specifications (characteristics)
Item
Symbol
Specifications
Remarks
Output frequency range
Power source
voltage
Temperature
range
Max. supply voltage
Operating voltage
f
0
V
CC
-GND
V
CC
T
STG
T
OPR
∆f/f
0
Iop
Io
E
tw/t
V
OH
V
OL
R
L
V
IH
V
IL
t
TLH
t
THL
t
OSC
t
DJ
t
RJ
53.125 MHz to 500.0000 MHz
Please contact us for inquiries about the
available frequency
Storage temperature
Operating temperature
Frequency stability
Current consumption
Output disable current
Duty
Output voltage
Output load condition (fan out)
Output enable
disable input voltage
Output rise time
Output fall time
Oscillation start up time
Jitter
t
RMS
t
p-p
t
acc
-0.5 V to +4.0 V
2.5
V±0.125 V
-40 °C to +100 °C
P : 0
°C
to +70
°C, R :
-5
°C
to +85
°C
G : ±50
x 10
-6
, H :
±100
x 10
-6
∗1
80 mA Max.
20 mA Max.
40 % to 60 %
48 % to 52 %
1.55 V Typ. V
CC
-1.025 to V
CC
-0.88
0.8 V Typ. V
CC
-1.81 to V
CC
-1.62
50
Ω
0.7 V
CC
Min.
0.3 V
CC
Max.
400 ps Max.
400 ps Max.
10 ms Max.
5 ps Typ.(10 ps Max.)
3 ps Typ.(4 ps Max.)
3 ps Typ.(4 ps Max.)
25 ps Typ.(40 ps Max.)
4 ps Typ.(5 ps Max.)
Stored as bare product after unpacking
P: 0 ˚C to +70 ˚C, R: -5 ˚C to + 85 ˚C
OE=Vcc
OE=GND
fo < 175 MHz
at outputs crossing point
DC characteristics
DC characteristics
Terminated to V
CC
-2.0 V
OE
OE
20 %→80 % of (V
OH
- V
OL
)
80 %→20 % of (V
OH
- V
OL
)
Time at 2.375 V to be 0 s
Deterministic Jitter
Random Jitter
σ
Peak to Peak
Accumulated Jitter(σ) n= 2 to 50000 cycles
∗1
Include initial fraquency tolerance, reflow shift, temperature variation, supply voltage variation and aging ( As per below table ).
53.125 MHz to 400 MHz
53.125 MHz to 200 MHz
Frequency range(MHz)
P:PECL Duty
±5
%
D:PECL Duty
±2
%
Output mode
A
N
A
N
Details of frequency stability
-6
PHPA
PHPN
DHPA
DHPN
HP :
±100
x 10 (0
°C
to +70
°C)
-6
Frequency HR :
±100
x 10 (-5
°C
to +85
°C)
PHRA
PHRN
DHRA
DHRN
-6
stability
PGPA
PGPN
DGPA
DGPN
GP :
±50
x 10 (0
°C
to +70
°C)
-6
PGRN
DGRN
GR :
±50
x 10 (-5
°C
to +85
°C)
A: Inculde intial frequency torerance, reflow shift, temperature variation, supply voltage variation, load change and 10 years aging.
N: Inculde intial frequency torerance, reflow shift, temperature variation, supply voltage variation and load change.
External dimensions
#6
#5
#4
#4
#5
1.1
1.4
(Unit: mm)
Recommended soldering pattern
(Unit: mm)
1.6
E EG-2121
250.000D
GRA282A
#1
#2
7.0±0.2
#3
5.08
NO.
Pin terminal
#6
5.0±0.2
2.6
#3
#2
#1
1
2
3
4
5
6
OE
NC
GND
OUT
OUT
V
CC
1.5
1.4 Max.
2.54
5.08
2.54
5.08
55
3.9
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