Crystal oscillator
Epson Toyocom
Product Number (please contact us)
EG-2121CA: Q3805CAx0xxxx00
EG-2102CA: Q3806CA00xxxx00
CRYSTAL OSCILLATOR
LOW-JITTER SAW OSCILLATOR
EG- 2121
/
2102CA series
• Frequency range
• Supply voltage
:
:
:
:
:
:
53.125 MHz to 700 MHz
2.5 V (EG-2121CA)
3.3 V (EG-2102CA)
Differential LV-PECL or LVDS
Output enable(OE)
• Output
• Function
• Thickness
1.2 mm Typ.
Actual size
• Very low jitter and low phase noise by SAW unit.
EG-2102CA
EG-2121CA
Specifications (characteristics)
EG-2121CA
EG-2102CA
EG-2121CA
EG-2102CA
LVDS
Item
Symbol
Remarks
Differential LV-PECL
53.125 MHz to
500 MHz
2.5 V ±0.125 V
100 MHz to
700 MHz
Please contact us for inquiries regarding
available frequencies.
Output frequency range
Supply voltage
53.125 MHz to 700 MHz
f
0
V
CC
3.3 V ±0.3 V 2.5 V ±0.125 V 3.3 V ±0.3 V
Storage temperature
-40 °C to +100 °C
Store as bare product after unpacking
T_stg
Temperature
range
Operating temperature
P:0 °C to +70 °C ,R:-5 °C to +85 °C ,S:-20 °C to +70 °C
G: ± 50 × 10-6 ,H: ±100 × 10-6
Please contact us for inquiries about S spec.
T_use
f_tol
I
Frequency tolerance
Current consumption
Disable current
Symmetry
P:0 °C to +70 °C,R:-5 °C to +85 °C
*1
80 mA Max.
20 mA Max.
100 mA Max.
32 mA Max
30 mA Max
20 mA Max
45 mA Max.
30 mA Max.
OE=V ,R
OE=GCNCD
L=50 Ω or 100 Ω
I_CdCis
SYM
P:45 % to 55 % P:45 % to 55 % L:45 % to 55 % L:45 % to 55 %
f0=350 MHz (at outputs crossing point) *1
1.55 V Typ.
2.35 V Typ.
VOH
V
CC-1.025 V to VCC-0.88 V
DC characteristics
0.8 V Typ.
1.6 V Typ.
VOL
V
CC-1.81 V to VCC-1.62 V
Output voltage
V
OD
∆VOD
OS
∆VOS
350 mV Typ. 247 mV to 454 mV Differential output, DC characteristics
50 mV
Output change, DC characteristics
V
1.25 V Typ. 1.125 V to 1.375 V Offset, DC characteristics
150 mV
Offset change, DC characteristics
LV-PECL: Terminated to VCC -2.0 V
LVDS: Connected between OUT to OUT
OE terminal
Output load condition
RL
50 Ω
100 Ω
Output enable input voltage
Output disable input voltage
V
IH
IL
70 % VCC Min.
V
30 % VCC Max.
400 ps Max.
OE terminal
LV-PECL: 80 % to 20 % (V -VOL
)
LVDS: 80 % to 20 % (VOD×O2H)
Time at minimum supply voltage to be 0 s
Deterministic Jitter
Rise time / Fall time
Start-up time
t
r
/
t
f
t_str
10 ms Max.
0.2 ps Typ.
t
tRDJJ
3 ps Typ.
Random Jitter
Jitter *2
t
RMS
3 ps Typ.
σ (RMS of total distribution)
Peak to Peak
t
25 ps Typ.
tpac-pc
4 ps Typ.
Accumulated Jitter(σ) n=2 to 50000 cycles
0.05 × 10-3 UI Typ.
1 ps Max.
Phase Jitter
t
PJ
Offset frequency: 12 kHz to 20 MHz
Frequency aging *3
*1 As per below table.
f_aging
± 10 × 10-6 / year Max.
+25 °C,First year,VCC=2.5 V,3.3 V
*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
All range
D: Differential LV-PECL
L:LVDS
V:LVDS
EG-2121CA
EG-2102CA
f
≤ 175 MHz
≤ 350 MHz
f0
0
Frequency
All range
f
0
≤ 175 MHz
range
50 ± 10 %(
f
> 350 MHz)
EG-2121CA
EG-2102CA
50 ± 10 %(f > 350 MHz)
50 ± 5 %(f 0
Symmetry
50 ± 5 %(f 0
0 ≤ 350 MHz)
50 ± 2 %
50 ± 2 %
0
≤ 350 MHz)
50 ± 5 %
Details of frequency tolerance
A
*4
N
*5
A
*4
N
*5
A
*4
N
*5
A
*4
N *5
HP: ±100 × 10-6(0°C to +70°C)
PHPA
PHPN
PHRN*6
PGPN*6
PGRN*6
DHPA
DHRA*6
DGPA*6
DHPN
DHRN*6
DGPN*6
DGRN*6
LHPA
LHPN
VHPA
VHPN
VHRN*6
VGPN*6
VGRN*6
HR: ±100 × 10-6(-5°C to +85°C)
GP: ±50 × 10-6(0°C to +70°C)
GR: ±50 × 10-6(-5°C to +85°C)
PHRA*6
PGPA*6
LHRA*6
LGPA*6
LHRN*6
LGPN*6
LGRN*6
VHRA*6
VGPA*6
Frequency
tolerance
*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)
Footprint (Recommended)
(Unit:mm)
1.4
#6
#5
#4
1.6
#4
#5
#6
#1
Pin map
Pi n
Connection
OE
E EG-2121
250.000P
GPA 282A
1
2
3
4
5
6
N.C.
GND
OUT
OU T
#2
#3
CC
#1
V
#3
#2
5.08
2.54
7.0±0.2
2.54
#3 is connected to the cover.
5.08
5.08
http://www.epsontoyocom.co.jp
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