English
Language : 

VG7050ECN Datasheet, PDF (1/3 Pages) Epson Company – Programmable Voltage Controlled Oscillator (VCXO)
Crystal oscillator
Programmable Voltage Controlled Oscillator (VCXO)
OUTPUT: LV-PECL
VG7050ECN
 Frequency range
: 50 MHz to 800 MHz
(Tuning resolution: 2.2 ~ 2.8 x 10-9)
 Supply voltage
: 2.5 V / 3.3 V
 External dimensions : 7.0 × 5.0 × 1.5 mm (10 pins)
 Absolute Pull Range : ±0 to ±180 x 10-6 (12 steps selectable)
Features
 User-specified four startup frequency, APR and 7-bit I2C address
 User Programming : I2C Interface
 Low jitter PLL technology
Applications
SONET/SDH, OTN, GbE, Fibre Channel
Actual size
Product Number (please contact us)
X1G004561xxxx00
Specifications (characteristics)
Item
Output frequency range
Symbol
f0
Specifications
50 MHz to 800 MHz
Conditions / Remarks
It can be changed by I2C
Supply voltage
Storage temperature
VCC
T_stg
D: 2.5 V ± 0.125 V, C: 3.3 V ± 0.33 V
-55 ºC to +125 ºC
Storage as single product
Operating temperature
Frequency tolerance *1
T_use
f_tol
-40 ºC to +85 ºC
±50 × 10-6 Max.
Includes frequency aging (10 years)
Current consumption
Disable current
Absolute pull range
Control voltage tuning range
ICC
I_dis
APR
Vc
90 mA Max.
40 mA Max.
70 mA Max.
±0 to ±180 x10-6
±0 to ±180 x10-6
0 to VCC
OE Active, L_ECL=50 Ω
OE Inactive, Output Standby: Hi-Z mode
OE Inactive, Output Standby: Fix mode
VC = 1.65 V ± 1.35 V (VCC = 3.3 V)
VC = 1.25 V ± 1.00 V (VCC = 2.5 V)
Frequency change polarity
-
Positive slope
0 to VCC
Symmetry
SYM
45 % to 55 %
At outputs crossing point
Output voltage
Output load condition
Input voltage
Rise time / Fall time
Start-up time
VOH
VOL
L_ECL
VIH
VIL
tr/tf
t_str
VCC-1.025 V Min.
VCC-1.62 V Max.
50 Ω
70% VCC Min.
30% VCC Max.
400 ps Max.
10 ms Max.
DC characteristics
Termination to VCC - 2.0 V
OE, FSEL0, FSEL1, SDA and SCL
Between 20% and 80% of (VOH-VOL)
Time at minimum supply voltage to be 0 s
*1 Frequency tolerance includes initial frequency tolerance, temperature variation, supply voltage change, reflow drift and 10 years aging at +25 ºC.
Product name
(Standard form)
VG7050 ECN SM20xxxx C J G H P Z
①②
③ ④⑤ ⑥ ⑦⑧⑨
①Model
②Output (E: LV-PECL)
③Parameter Designator (VG7050ECN: SM20xxxx)
④Supply voltage (C: 3.3 V Typ., D: 2.5 V Typ.)
⑤Frequency tolerance (J: ±50 × 10-6)
⑥Operating temperature (G: -40 ~ +85°C)
⑦OE Function (H: Active High, L: Active Low)
⑧Absolute Pull Range (P: Programmable)
⑨Output Standby Type (F: Fix (OUT=”L”, OUTN=”H”), Z: High-Z)
Phase Jitter
Offset Frequency 125.00 MHz 156.25 MHz 250.00 MHz 425.00 MHz 622.08 MHz 669.33 MHz 794.73 MHz
Phase jitter*2
Typ.
12 kHz to 20 MHz
20 kHz to 50 MHz
50 kHz to 80 MHz
0.30 ps
0.30 ps
0.29 ps
0.26 ps
0.27 ps
0.27 ps
0.26 ps
0.27 ps
0.27 ps
0.25 ps
0.26 ps
0.26 ps
0.26 ps
0.27 ps
0.27 ps
0.26 ps
0.27 ps
0.27 ps
0.26 ps
0.27 ps
0.27 ps
*2 In order to achieve optimum jitter performance, it is recommended that the capacitor (0.1 μF + 10 μF) between VCC and GND pin should be placed as close to the VCC pin
as possible.