QUARTZ
GDF64 LVDS
EURO
VCXO
11.4 x 9.6 x 4.7mm SMD VCXO
Frequency range 38MHz to 640MHz
LVDS Output
Supply Voltage 3.3 VDC
Phase jitter 0.4ps typical
Pull range from ±30ppm to ±150ppm
DESCRIPTION
OUTLINE & DIMENSIONS
GDF64 VCXOs are packaged in a 6 pad 11.4 x 9.6m SMD package.
Typical phase jitter for GDF series VCXOs is 0.4 ps. Output is LVDS.
Applications include phase lock loop, SONET/ATM, set-top boxes,
MPEG , audio/video modulation, video game consoles and HDTV.
SPECIFICATION
Frequency Range:
Supply Voltage:
38.0MHz to 640.0MHz
3.3 VDC ±5%
Output Logic:
LVDS
RMS Period Jitter:
Peak to Peak Jitter:
Phase Jitter:
3.0ps typical
20.0ps typical, 30.0ps maximum
0.4ps typical, 5.0ps maximum
Tune to the nominal frequency
with Vc= 1.65 ±0.2VDC
1.4 Volts typical
1.1 Volts typical
From ±30ppm to ±150ppm
1.65 ±1.35 Volts
Initial Frequency Accuracy:
Output Voltage HIGH (1):
Output Voltage LOW (0):
Pulling Range:
Control Voltage Range:
Temperature Stability:
Output Load:
See table
50 into Vdd or Thevenin equiv.
0.5ns typ., 0.7ns max.
20% Vdd to 80% Vdd
50% ±5%
Rise/Fall Times:
Duty Cycle:
(Measured at Vdd-1.3V)
10ms maximum, 5ms typical
55mA typical, 60mA maximum
(At 202.50MHz)
Start-up Time:
Current Consumption:
Static Discharge Protection:
Storage Temperature:
Ageing:
Enable/Disable:
RoHS Status:
2kV maximum
-55° to +150°C
±2ppm per year maximum
See table
Fully compliant or non compliant
FREQUENCY STABILITY
Temp. Range
Stability Code Stability ±ppm
PART NUMBERING
Example: 3GDF64GB-80N-60.000
A
B
C
D
E
25
50
100
25
50
0°~+70°C
0°~+70°C
0°~+70°C
-40°~+85°C
-40°~+85°C
-40°~+85°C
Supply Voltage
3 = +3.3V
Series Designator
GDF64
F
100
RoHS Status
If non-standard frequency stability is required
Use ‘I’ followed by stability, i.e. I20 for ±20ppm
G = Compliant
Blank - Non-compliant
Stability over temperature range
(See table)
Pullability in ±ppm
Pullability determinator
N = minimum
ENABLE/DISABLE FUNCTION
Tristate Pad
Status
Output Status
Not connected LVDS and Complimentary LVDS enabled
Below 0.3Vdd Both outputs are disabled (high impedance)
(Ref. to ground)
M = maximum
T = Typical
Frequency in MHz
Both outputs are enabled
Above 0.7Vdd
(Ref. to ground)
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk