EURO
QUARTZ
Miniature 7 x 5 x 2.3mm ceramic SMD package
Frequency range: 12.0MHz to 800.0MHz
Supply voltage 3.3 Volts
Low cost, low jitter for general applications
RoHS compliant
EMW576D Series LVDS TCXO
LVDS 7 x 5 x 2.3mm SMD, 'W' Group Specification
EMW576D - OUTLINES AND DIMENSIONS
DESCRIPTION
EMW576D series TCXOs are packaged in a miniature 6 pad 7 x 5 x
2.3mm 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:
EMW576D
VCTCXO:
VEMW576D
Frequency Range:
12.0MHz to 800.0MHz
Output Waveform:
LVDS
Initial Calibration Tolerance:
<±2.0ppm at +25°±2°C
Standard Frequencies: (
)
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:
Frequency Stability
(
)
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
(
)
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): 2.6ps typ., 4.0ps 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
VEMW576D VOLTAGE CONTROL SPECIFICATION
Control Voltage:
Frequency Deviation:
Slope Polarity:
+1.5±1.0Volts
±6.0 ppm min. with Vcon = +1.5±1.0V
Positive
SSB PHASE NOISE at 25°C
Offset
Part =
EMW576D33
at 155.52MHz
(dBc/Hz)
at 622.08MHz
(dBc/Hz)
10Hz
-65
-55
100Hz
-95
-85
1kHz
-120
-109
10kHz
-125
-115
100kHz
-121
-110
PERIOD JITTER
Frequency (MHz)
RMS (typ.)
Peak to Peak
38.880
2.5ps
20.0ps
77.760
4.0ps
32.0ps
155.520
5.0ps
28.0ps
622.080
8.0ps
45.0ps
PART NUMBERING SCHEDULE
Example:
EMW576D33-155.52-2.5/-30+75
= available, x = not available, ASK = call Technical Sales
Series Description
TCXO = EMW576D
VCTCXO = VEMW576D
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
