XG-2121CA (Crystal Oscillator Low-Jitter SAW Oscillator)

XG-2121CAXG-2121CA

RoHS Compliant

pb free

  • Frequency range
    100MHz to 700MHz
  • Supply voltage
    2.5V Typ.
  • Output
    LV-PECL or LVDS
  • Function
    Output enable (OE)
  • External dimensions
    7.0 × 5.0 × 1.2mm
  • Low jitter and low phase noise by SAW unit.

Specifications

Item Symbol LV-PECL LVDS Conditions / Remarks
XG-2121CA P XG-2121CA L
Output frequency range f0 100MHz to 700MHz Please contact us for inquiries regarding available frequencies.
Supply voltage VCC 2.5V ± 0.125V
Storage temperature T_stg -55°C to +125°C Store as bare product.
Operating temperature T_use P : 0°C to +70°C ,
R : -5°C to +85°C ,
S : -20°C to +70°C
Frequency tolerance f_tol G : ± 50 × 10-6
H : ±100 × 10-6
Current consumption ICC 60mA Max. - OE = VCC , L_ECL = 50Ω
- 30mA Max. OE = VCC , L_LVDS = 100Ω
Disable current I_dis 2mA Max. 15mA Max. OE = GND
Symmetry SYM 45% to 55% At outputs crossing point
Output voltage
(LV-PECL)
VOH 1.55V Typ. - DC characteristics
VCC - 1.025V to VCC - 0.88V -
VOL 0.80V Typ. -
VCC - 1.81V to VCC - 1.62V -
Output voltage
(LVDS)
VOD - 350mV Typ,
247mV to 454mV
VOD1 , VOD2 DC characteristics
dVOD - 50mV Max. dVOD = | VOD1 - VOD2 |
VOS - 1.25V Typ,
1.125V to 1.375V
VOS1 , VOS2
dVOS - 150mV Max. dVOS = | VOS1 - VOS2 |
Output load condition
(ECL) / (LVDS)
L_ECL 50Ω - Terminated to VCC - 2.0V
L_LVDS - 100Ω Connected between OUT to OUT
Input voltage VIH 70% VCC Min. OE terminal
VIL 30% VCC Max.
Rise time / Fall time tr / tf 400ps Max. Between 20% and 80% of ( VOH - VOL )
Between 20% and 80% of Differential Output peek to peek voltage
Start-up time t_str 10ms Max. Time at minimum supply voltage to be 0s
Phase Jitter tPJ 0.23ps Max. 0.27ps Max. 100MHz ≦ f0 < 150MHz Offset frequency:
12kHz to 20MHz
0.22ps Max. 0.24ps Max. 150MHz ≦ f0 < 200MHz
0.21ps Max. 0.23ps Max. 200MHz ≦ f0 < 300MHz
0.18ps Max. 0.19ps Max. 300MHz ≦ f0 < 400MHz
0.16ps Max. 0.16ps Max. 400MHz ≦ f0 < 500MHz
0.14ps Max. 0.14ps Max. 500MHz ≦ f0 < 600MHz
0.10ps Max. 0.10ps Max. 600MHz ≦ f0 < 700MHz
Frequency aging f_aging ± 10 × 10-6 / year Max. +25°C , First year , VCC = 2.5V

 

External dimensions

dimension
(Unit: mm)

OE pin = HIGH : Specified frequency output.
OE pin = LOW : Output is high impedance #3 is connected to the cover.

Footprint (Recommended)

footprint
(Unit: mm)

To maintain stable operation, provide a 0.01 µF to 0.1 µF by-pass capacitor at a location as near as possible to the power source terminal of the crystal product (between VCC - GND).

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