QUARTZ
EMF576D Series LVDS TCXO
EURO
LVDS 7 x 5 x 2.8mm SMD, 'F' Group Specification
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 - 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:
Output Waveform:
12.0MHz to 800.0MHz
LVDS
Initial Calibration Tolerance:
Standard Frequencies: (Partial list)
<±2.0ppm at +25°±2°C
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
vs. Ageing:
(see table)
±1.0 ppm max. first year
±0.3 ppm max. ±5% change
±0.3 ppm max. ±10% change
±1.0ppm max. for one reflow
(Measured after 24 hours)
+3.3 Volts
vs. Voltage Change:
vs. Load Change:
vs. Reflow (SMD type):
Supply Voltage:
Differential Output Voltage V
OD
:
247mV min., 355mV typical; 454mV max.,
Output 1 - Output 2
OD
Differential Output Error dV
:
-50mV min., 50mV max.
OS
Output Offset Voltage V
:
VEMF576D VOLTAGE CONTROL SPECIFICATION
1.125V min., 1.200V typ., 1.375V max.
Control Voltage:
+1.5±1.0Volts
OS
Offset Magnitude Error dV
:
Frequency Deviation: ±6.0 ppm min. with Vcon = +1.5±1.0V
0mV min., 3.0mV typ., 25mV max.
1.5ns typical
Slope Polarity:
Linearity:
Positive (increase of control voltage increases
output frequency.)
6% typical, 10% maximum
Rise and Fall Times:
Duty Cycle:
Start-up Time:
50%±5%
5ms typical, 10ms max.
Current Consumption: 12MHz to 24MHz: <33mA max., 24MHz to
96MHz: <50mA max., 96MHz to 800MHz:<85mA max.
SSB PHASE NOISE at 25°C
Output Load:
Drive Capability:
50W from each load
100W between LVDS and
Complementary LVDS
-55° to +125°C
Offset
10Hz
100Hz
1kHz
10kHz
100kHz
at 155.520MHz
-62
-92
-120
-132
-128
Part =
EMF576D33
(dBc/Hz)
Storage Temperature:
Phase Jitter (RMS) (12kHz to 20MHz): 0.4ps typ., 0.5ps max
at 311.020MHz
(dBc/Hz)
-59
-86
-116
-129
-124
ENABLE/DISABLE FUNCTION
PERIOD JITTER
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.
Frequency (MHz)
RMS (typ.)
38.880
2.5ps
77.760
2.5ps
155.520
3.0ps
311.020
3.0ps
Peak to Peak
18.0ps
18.0ps
20.0ps
25.0ps
Enable:
Pad 2 taken above 0.45V ref. to Ground.
Enable time: 10ns max.
PART NUMBERING SCHEDULE
FREQUENCY STABILITY OVER TEMPERATURE
Example:
EMF576D33-155.52-2.5/-30+75
Stability (ppm)
0 ~ +50
±1.0
±2.0
±2.5
±3.0
±4.0
±5.0
Series Description
TCXO = EMF576D
VCTCXO = VEMF576D
P
ASK
X
P
P
P
P
X
P
P
P
P
X
P
P
P
P
P
P
P
P
P
-10 ~ +60
-20 ~ +70
-30 ~ +75
-40 ~ +85
Supply Voltage
33 = 3.3 VDC
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits
Temp.
Range (°C)
P
P
P
X
P
X
ASK
ASK
P = available, x = not available, ASK = call Technical Sales
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
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