EURO
QUARTZ
Miniature 7 x 5 x 2.8mm ceramic SMD package
Frequency range: 12.0MHz to 800.0MHz
Supply voltage 3.3 Volts
Low cost, low jitter for general applications
RoHS compliant
EMF576D Series LVDS TCXO
LVDS 7 x 5 x 2.8mm SMD, 'F' Group Specification
EMF576D - OUTLINES AND DIMENSIONS
DESCRIPTION
EMF576D series TCXOs are packaged in a miniature 6 pad 7 x 5 x
2.8mm ceramic SMD package. With LVDS output, tolerances are
available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF
decoupling capacitor built in.
SPECIFICATION
Product Series Code
TCXO:
EMF576D
VCTCXO:
VEMF576D
Frequency Range:
12.0MHz to 800.0MHz
Output Waveform:
LVDS
Initial Calibration Tolerance:
<±2.0ppm at +25°±2°C
Standard Frequencies: (Partial
list)
12.8, 16.0 19.44, 20.0, 25.0,
27.0, 30.0, 32.0, 32.768, 38.880, 40.0, 50.0, 54.0, 64.0,
65.536, 77.76, 80.0, 100.0, 128.0, 155.52, 160.0, 200.0,
204.8, 311.04, 320.0, 409.6, 622.08, and 800.0MHz
Operating Temperature Range:
See table
Frequency Stability
(see
table)
vs. Ageing:
±1.0 ppm max. first year
vs. Voltage Change:
±0.3 ppm max. ±5% change
vs. Load Change:
±0.3 ppm max. ±10% change
vs. Reflow (SMD type):
±1.0ppm max. for one reflow
(Measured
after 24 hours)
Supply Voltage:
+3.3 Volts
Differential Output Voltage V
OD
:
247mV min., 355mV typical; 454mV max.,
Output 1 - Output 2
Differential Output Error dV
OD
:
-50mV min., 50mV max.
Output Offset Voltage V
OS
:
1.125V min., 1.200V typ., 1.375V max.
Offset Magnitude Error dV
OS
:
0mV min., 3.0mV typ., 25mV max.
Rise and Fall Times:
1.5ns typical
Duty Cycle:
50%±5%
Start-up Time:
5ms typical, 10ms max.
Current Consumption: 12MHz to 24MHz: <33mA max., 24MHz to
96MHz: <50mA max., 96MHz to 800MHz:<85mA max.
Output Load:
50W from each load
Drive Capability:
100W between LVDS and
Complementary LVDS
Storage Temperature:
-55° to +125°C
Phase Jitter (RMS) (12kHz to 20MHz): 0.4ps typ., 0.5ps max
ENABLE/DISABLE FUNCTION
Pad 2 not connected: LVDS and Differential LVDS outputs enabled.
Disable: Pad 2 taken below 0.45Vcc referenced to Ground. Osc. is
always on, only buffer stage is disabled. Disable current:
50mA max. (at 0.0V). Disable time: 10ns max.
Enable:
Pad 2 taken above 0.45V ref. to Ground.
Enable time: 10ns max.
FREQUENCY STABILITY OVER TEMPERATURE
Stability (ppm)
0 ~ +50
-10 ~ +60
Temp.
Range (°C)
-20 ~ +70
-30 ~ +75
-40 ~ +85
P
±1.0
P
ASK
X
X
X
±2.0
P
P
P
P
X
±2.5
P
P
P
P
X
±3.0
P
P
P
P
ASK
±4.0
P
P
P
P
ASK
±5.0
P
P
P
P
P
VEMF576D VOLTAGE CONTROL SPECIFICATION
Control Voltage:
Frequency Deviation:
Slope Polarity:
Linearity:
+1.5±1.0Volts
±6.0 ppm min. with Vcon = +1.5±1.0V
Positive
(increase of control voltage increases
output frequency.)
6% typical, 10% maximum
SSB PHASE NOISE at 25°C
Offset
Part =
EMF576D33
at 155.520MHz
(dBc/Hz)
at 311.020MHz
(dBc/Hz)
10Hz
-62
-59
100Hz
-92
-86
1kHz
-120
-116
10kHz
-132
-129
100kHz
-128
-124
PERIOD JITTER
Frequency (MHz)
RMS (typ.)
Peak to Peak
38.880
2.5ps
18.0ps
77.760
2.5ps
18.0ps
155.520
3.0ps
20.0ps
311.020
3.0ps
25.0ps
PART NUMBERING SCHEDULE
Example:
EMF576D33-155.52-2.5/-30+75
= available, x = not available, ASK = call Technical Sales
Series Description
TCXO = EMF576D
VCTCXO = VEMF576D
Supply Voltage
33 = 3.3 VDC
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
Embedded System
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