Actual size
http://www.epsontoyocom.co.jp
Crystal oscillator Epson Toyocom
S
p
ecifications
(
characteristics
)
Item Symbol EG-2121CA EG-2102CA EG-2121CA EG-2102CA Remarks
Differential LV-PECL LVDS
Output frequency range f0 53.125 MHz to
500 MHz
100 MHz to
700 MHz 53.125 MHz to 700 MHz Please contact us for inquiries regarding available
frequencies.
Supply voltage VCC 2.5 V ±0.125 V 3.3 V
±
0.3 V 2.5 V
±
0.125 V 3.3 V
±
0.3 V
Temperature
range
Storage temperature T_stg -40 °C to +100 °C Store as bare product after unpacking
Operating temperature T_use P:0 °C to +70 °C ,R:-5 °C to +85 °C ,S:-20 °C to +70 °C Please contact us for inquiries about S spec.
Frequency tolerance f_tol G: ± 50 × 10-6 ,H: ±100 × 10-6 P:0 °C to +70 °C,R:-5 °C to +85 °C *1
,S:-20 °C to +70 °C
Current consumption ICC 80 mA Max. 100 mA Max. 30 mA Max 45 mA Max. OE=VCC,RL=50 Ω or 100 Ω
Disable current I_dis 20 mA Max. 32 mA Max 20 mA Max 30 mA Max. OE=GND
Symmetry SYM P:45 % to 55 % P:45 % to 55 % L:45 % to 55 % L:45 % to 55 %
f
0
≤
350 MHz (at outputs crossing point) *1
Output voltage
VOH 1.55 V Typ. 2.35 V Typ.
-
DC characteristics
VCC-1.025 V to VCC-0.88 V
VOL 0.8 V Typ. 1.6 V Typ.
-
VCC-1.81 V to VCC-1.62 V
VOD
-
350 mV Typ. 247 mV to 454 mV Differential output, DC characteristics
∆VOD
-
50 mV
Output change, DC characteristics
VOS
-
1.25 V Typ. 1.125 V to 1.375 V Offset, DC characteristics
∆VOS
-
150 mV
Offset change, DC characteristics
Output load condition RL 50 Ω 100 Ω LV-PECL: Terminated to VCC -2.0 V
LVDS: Connected between OUT to OUT
Output enable input voltage VIH 70 % VCC Min. OE terminal
Output disable input voltage VIL 30 % VCC Max. OE terminal
Rise time / Fall time tr / tf 400 ps Max.
Between 20% VCC and80%of (VOH-VOL)
Between 20 %and 80 %of Differential
Output peek to peek voltage
Start-up time t_str 10 ms Max.
Time at minimum supply voltage to be 0 s
Jitter *2
tDJ 0.2 ps Typ.
Deterministic Jitter
tRJ 3 ps Typ.
Random Jitter
tRMS 3 ps Typ.
σ (RMS of total distribution)
tp-p 25 ps Typ.
Peak to Peak
tacc 4 ps Typ.
Accumulated Jitter(σ) n=2 to 50000 cycles
Phase Jitter tPJ 0.05
×
10-3 UI Typ. Offset frequency: 12 kHz to 20 MHz
1 ps Max.
Frequency aging *3 f_aging
±
10
×
10-6 / year Max. +25 °C,First year,VCC=2.5 V,3.3 V
*1 As per below table.
*2 Based on DTS-2075 Digital timing system made from WAVECREST with jitter analysis software VISI6.
*3 Except: ***A
Output mode P:Differential LV-PECL D: Differential LV-PECL L:LVDS V:LVDS
Frequency
range
EG-2121CA All range
f
0
≤
175 MHz All range f0 ≤ 175 MHz
EG-2102CA
f
0
≤
350 MHz
Symmetry EG-2121CA 50 ± 10 %(
f
0 > 350 MHz)
50 ± 5 %(f0 ≤ 350 MHz) 50 ± 2 % 50 ± 10 %(f0 > 350 MHz)
50 ± 5 %(f0 ≤ 350 MHz) 50 ± 2 %
EG-2102CA 50 ± 5 %
Details of frequency tolerance A *4 N *5 A *4 N *5 A *4 N *5 A *4 N *5
Frequency
tolerance
HP: ±100 × 10-6(0°C to +70°C) PHPA PHPN DHPA DHPN LHPA LHPN VHPA VHPN
HR: ±100 × 10-6(-5°C to +85°C) PHRA*6 PHRN*6 DHRA*6 DHRN*6 LHRA*6 LHRN*6 VHRA*6 VHRN*6
GP: ±50 × 10-6(0°C to +70°C) PGPA*6 PGPN*6 DGPA*6 DGPN*6 LGPA*6 LGPN*6 VGPA*6 VGPN*6
GR: ±50 × 10-6(-5°C to +85°C)
-
PGRN*6
-
DGRN*6
-
LGRN*6
-
VGRN*6
*4 This includes initial frequency tolerance, temperature variation, supply voltage variation, reflow drift, and aging(+25 °C,10 years).
*5 This includes initial frequency tolerance, temperature variation, supply voltage variation, and reflow drift(except aging).
*6 53.125 MHz ≤ f0 < 100 MHz : Unavailable.
External dimensions
(
Unit:mm
)
Foot
p
rint
(
Recommended
)
(
Unit:mm
)
EG-2102CA
EG-2121CA
5.0±0.2
7.0±0.2 5.08
5.08
#4
#3 #2
#1
1.2±0.2
#1 #2
#4
#6
E EG-2121
GPA 282A
1.4
2.6 1.1
250.000P
#3
#5 #5 #6
2.54
Pin map
Pin Connection
1 OE
2 N.C.
3 GND
4 OUT
5 OUT
6 VCC
#3 is connected to the cover.
CRYSTAL OSCILLATOR
LOW-JITTER SAW OSCILL ATOR
EG - 2121 / 2102CA series
•Frequency range : 53.125 MHz to 700 MHz
•Supply voltage : 2.5 V (EG-2121CA)
: 3.3 V (EG-2102CA)
•Output : Differential LV-PECL or LVDS
•Function : Output enable(OE)
•External dimensions : 7.0 × 5.0 × 1.2 t (mm) Typ.
•Very low jitter and low phase noise by SAW unit.
5.08
1.6
1.5
3.9
2.54
Product Number (please contact us)
EG-2121CA: Q3805CAx0xxxx00
EG-2102CA: Q3806CA00xxxx00
To maintain stable operation, provide by-pass capacitor with
more than 0.1 μF at a location as near as possible to the power
source terminal of the crystal products (between VCC - GND).
