Crystal oscillator
Product Number (please contact us)
EG-2121CA: Q3805CAx0xxxx00
: X1M000101xxxx00
LOW-JITTER SAW OSCILLATOR (SPSO)
EG-2102CA: Q3806CA00xxxx00
OUTPUT : LV-PECL, LVDS, HCSL
: X1M000091xxxx00
EG - 2121 / 2102CA
Frequency range : 53.125 MHz to 700 MHz
Supply voltage : 2.5 V EG-2121CA
: 3.3 V EG-2102CA
Output : LV-PECL or LVDS or HCSL
Function : Output enable (OE)
External dimensions : 7.0 5.0 1.2 mm
Actual size
EG-2102CA
EG-2121CA
Very low jitter and low phase noise by SAW unit.
Specifications (characteristics)
Differential LV-PECL Output
EG-2121CA EG-2102CA
Item Symbol Conditions / Remarks
LV-PECL
Output frequency range f0 53.125 MHz to 500 MHz 100 MHz to 700 MHz Please contact us about available frequencies.
Supply voltage VCC 2.5 V 0.125 V 3.3 V 0.3 V
Storage temperature -40 C to +100 C Storage as single product.
T_stg
Operating temperature T_use P:0 C to +70 C ,R:-5 C to +85 C ,S:-20 C to +70 C
-6 -6
Frequency tolerance f_tol G: 50 10 ,H: 100 10
Current consumption ICC 80 mA Max. 100 mA Max. OE=VCC, L_ECL=50
Disable current I_dis 20 mA Max. 32 mA Max OE=GND
P:40 % to 60 %
(f0 > 350 MHz)
P:45 % to 55 %
P:45 % to 55 %
Symmetry SYM at outputs crossing point
(f0 350 MHz)
D:48 % to 52 % D:48 % to 52 %
(f0 175 MHz) (f0 350 MHz)
1.55 V Typ. 2.35 V Typ.
VOH
VCC-1.025 V to VCC-0.88 V
Output voltage DC characteristics
0.8 V Typ. 1.6 V Typ.
VOL
VCC-1.81 V to VCC-1.62 V
Output load condition (ECL) L_ECL 50 Terminated to VCC -2.0 V
VIH 70 % VCC Min.
Input voltage OE terminal
VIL 30 % VCC Max.
Rise time / Fall time tr / tf 400 ps Max. Between 20% and 80% of (VOH-VOL)
Start-up time t_str 10 ms Max. Time at minimum supply voltage to be 0 s
0.8 ps Max. f0 100 MHz
Offset frequency: 12 kHz to
Phase Jitter tPJ 0.5 ps Max. 100 MHz f0 200 MHz
20 MHz
0.3 ps Max. 200 MHz f0
-6
Frequency aging f_aging 10 10 / year Max. +25 C, First year, VCC=2.5 V,3.3 V
LVDS Output
EG-2121CA EG-2102CA
Item Symbol Conditions / Remarks
LVDS
Output frequency range 53.125 MHz to 700 MHz Please contact us about available frequencies.
f0
Supply voltage VCC 2.5 V 0.125 V 3.3 V 0.3 V
Storage temperature T_stg -40 C to +100 C Storage as single product.
Operating temperature T_use P:0 C to +70 C ,R:-5 C to +85 C ,S:-20 C to +70 C
-6 -6
Frequency tolerance f_tol G: 50 10 ,H: 100 10
Current consumption ICC 30 mA Max 45 mA Max. OE=VCC, L_LVDS= 100
Disable current I_dis 20 mA Max 30 mA Max. OE=GND
L:40 % to 60 % L:40 % to 60 %
(f0 > 350 MHz) (f0 > 350 MHz)
L:45 % to 55 % L:45 % to 55 %
Symmetry SYM at outputs crossing point
(f0 350 MHz) (f0 350 MHz)
V:48 % to 52 % V:48 % to 52 %
(f0 175 MHz) (f0 175 MHz)
VOD 350 mV Typ. 247 mV to 454 mV
VOD1, VOD2
dVOD 50 mV Max. dVOD = VOD1-VOD2
Output voltage
DC characteristics
VOS 1.25 V Typ. 1.125 V to 1.375 V VOS1, VOS2
dVOS 150 mV Max. dVOS = VOS1-VOS2
Output load condition (LVDS) L_LVDS 100 Connected between OUT to OUT
VIH 70 % VCC Min.
Input voltage OE terminal
VIL 30 % VCC Max.
Between 20 % and 80 %of Differential Output Peak to
Rise time / Fall time tr / tf 400 ps Max.
Peak voltage
Start-up time t_str 10 ms Max. Time at minimum supply voltage to be 0 s
0.8 ps Max. f0 100 MHz
Offset frequency: 12 kHz to
Phase Jitter tPJ 0.5 ps Max. 100 MHz f0 200 MHz
20 MHz
0.3 ps Max. 200 MHz f0
-6
Frequency aging f_aging 10 10 / year Max. +25 C, First year, VCC=2.5 V,3.3 V
Crystal oscillator
HCSL Output
EG-2121CA EG-2102CA
Item Symbol Conditions / Remarks
HCSL
Output frequency range f0 100 MHz to 350 MHz Please contact us about available frequencies.
Supply voltage VCC 2.5 V 0.125 V 3.3 V 0.3 V
Storage temperature T_stg -40 C to +125 C Storage as single product.
Operating temperature T_use P:0 C to +70 C ,R:-5 C to +85 C ,S:-20 C to +70 C
-6 -6
Frequency tolerance f_tol
G: 50 10 ,H: 100 10
Current consumption ICC 80 mA Max. 85 mA Max.
OE=VCC,L_HCSL=50
Disable current I_dis 20 mA Max. 35 mA Max OE=GND
Symmetry SYM 45 % to 55 % at outputs crossing point
VOH 0.75 V Typ.
Output Voltage DC characteristics
VOL -0.3 V Typ.
Output load condition (HCSL) L_HCSL Terminated to GND
50
VIH 70 % VCC Min.
Input voltage OE terminal
VIL 30 % VCC Max.
Rise time / Fall time tr / tf 500 ps Max. Between 0.175 V and 0.525 V of output
Start-up time t_str 10 ms Max. Time at minimum supply voltage to be 0 s
0.8 ps Max. f0 100 MHz
Offset frequency: 12 kHz to
Phase Jitter tPJ 0.5 ps Max. 100 MHz f0 200 MHz
20 MHz
0.3 ps Max. 200 MHz f0
-6
Frequency aging *2 f_aging 10 10 / year Max. +25 C, First year, VCC=2.5 V,3.3 V
Product Name EG-2121 CA 250.000000MHz P G P A
(Standard form)
Model Package type Frequency
Output/Symmetry Frequency tolerance Operating temperature
Frequency aging (A*1: Frequency tolerance include aging, N*2: Frequency tolerance exclude aging)
*1 This includes initial frequency tolerance, temperature variation, supply voltage variation, reflow drift, and aging(+25 C,10 years).
*2 This includes initial frequency tolerance, temperature variation, supply voltage variation, and reflow drift(except aging).
(: GRA, GSA are not available)
(: As for LV-PECL and LVDS output, for 53.125 MHz f0 < 100 MHz only HP is available)
Symmetry Frequency tolerance
Output
-6
G 50 10
Symbol EG-2121CA EG-2102CA
-6
40 % to 60 %(f0 > 350 MHz) H 100 10
P LV-PECL 45 % to 55 %
45 % to 55 %(f0 350 MHz)
Operating temperature
D LV-PECL 48 % to 52 %(f0 175 MHz) 48 % to 52 %(f0 350 MHz)
P 0 to +70C
40 % to 60 %(f0 > 350 MHz)
L LVDS
R -5 to +85C
45 % to 55 %(f0 350 MHz)
S -20 to +70C
V LVDS 48 % to 52 %(f0 175 MHz)
H HCSL 45 % to 55 %
Table 2 Jitter
Item Symbol Specifications Remarks
tDJ 0.2 ps Typ. Deterministic Jitter
tRJ 3 ps Typ. Random Jitter
Jitter * tRMS 3 ps Typ. (RMS of total distribution)
tp-p 25 ps Typ. Peak to Peak
tacc 4 ps Typ. Accumulated Jitter() n=2 to 50000 cycles
* Tested using a DTS-2075 Digital timing system made by WAVECREST with jitter analysis software VISI6. : Differential LV-PECL, LVDS output
* Based on SIA-3100C signal integrity analyzer made from WAVECREST. : HCSL output
External dimensions (Unit:mm) Footprint (Recommended) (Unit:mm)
1.4
#4
#5 #6
#6 #5 #4
1.6
E EG-2121
250.000H
GPA 282A
#3
#1 #2 #1
#2
#3 2.54
7.00.2
5.08
2.54
Pin map
Pin Connection
5.08
5.08
1 OE
2 N.C.
3 GND
4 OUT To maintain stable operation, provide a 0.01uF to
0.1uF by-pass capacitor at a location as near as
5 OUT
OE pin = HIGH : Specified frequency output.
possible to the power source terminal of the
OE pin = LOW : Output is high impedance 6 VCC
crystal product (between Vcc - GND).
#3 is connected to the cover.
5.00.2
1.20.2
1.1
2.6
3.9
1.5