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参数资料
| 型号： | VEMF576P33-100.0-2.5/-30+75 |
| 厂商： | EUROQUARTZ LTD |
| 元件分类： | XO, clock |
| 英文描述： | TCVCXO, CLOCK, 100 MHz, PECL OUTPUT |
| 封装： | ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 6 PIN |
| 文件页数： | 1/1页 |
| 文件大小： | 165K |
| 代理商： | VEMF576P33-100.0-2.5/-30+75 |
EURO QUARTZ
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
TCXO
PECL 7 x 5 x 2.8mm SMD, 'F' Group
EMF576P Series
DESCRIPTION
Miniature 7 x 5 x 2.8mm ceramic SMD package
Frequency range: 38.880MHz to 432.0MHz
Supply voltage 3.3 Volts
Less than 1ps phase jitter, ideal for SONET, xDSL
RoHS compliant
EMF576P series TCXOs are packaged in a miniature 6 pad 7 x 5 x
2.8mm ceramic SMD package. With differential PECL output,
tolerances are available from ±1.0ppm over -30° to +75°C. The part
has a 0.01mF decoupling capacitor built in.
EMF576P - OUTLINES AND DIMENSIONS
Stability (ppm)
±1.0
±2.0
±2.5
±3.0
±4.0
±5.0
Temp.
Range (°C)
0 ~ +50
P
-10 ~ +60
ASK
P
-20 ~ +70
X
P
-30 ~ +75
X
P
-40 ~ +85
X
ASK
P
= available, x = not available, ASK = call Technical Sales
SPECIFICATION
Product Series Code
TCXO:
EMF576P
VCTCXO:
VEMF576P
Frequency Range:
38.880MHz to 432.0MHz
Output Waveform:
Differential PECL
Initial Calibration Tolerance:
<±2.0ppm at +25°±2°C
Standard Frequencies:
38.880, 40.0, 50.0, 54.0, 64.0, 65.536,
77.76, 80.0, 100.0, 128.0, 155.250,
160.0, 200.0, 204.8, 311.04, 320.0
and 409.60MHz (Partial list)
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
Output Logic Levels
Logic High:
VOH = 2.275V (min.)
VDD = -1.025V (min.)
Logic Low:
VOL = 1.680V (max.)
VDD = -1.620V (max.)
Rise and Fall Times
<150MHz = 0.7ns max, 150 to 320MHz = 0.55ns max.
<320MHz = 0.45ns max.
Duty Cycle:
50%±5%
Start-up Time:
5ms typical, 10ms max.
Current Consumption
38.880 to 100MHz:
75mA max.
100.0 to 320MHz:
90mA max.
320 to 432.0MHz:
100mA max.
Output Load:
50W to VDD -2.0 Volts
Storage Temperature:
-55° to +125°C
Phase Jitter (RMS) (12kHz to 20MHz):
0.4ps typ., 0.5ps max
PART NUMBERING SCHEDULE
Example:
EMF576P33-204.80-2.5/-30+75
Supply Voltage
33 = 3.3 VDC
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits
Series Description
TCXO = EMF576P
VCTCXO = VEMF576P
Control Voltage:
+1.5±1.0Volts
Frequency Deviation:
±6.0 ppm min. with Vcon = +1.5±1.0V
Slope Polarity:
Positive (increase of control voltage increases
output frequency.)
Linearity:
6% typical, 10% maximum
VEMF576P VOLTAGE CONTROL SPECIFICATION
FREQUENCY STABILITY OVER TEMPERATURE
Offset
10Hz
100Hz
1kHz
10kHz
100kHz
Part =
EMF576P33
at 155.520MHz
(dBc/Hz)
-62
-92
-120
-132
-128
at 311.020MHz
(dBc/Hz)
-59
-86
-116
-129
-124
SSB PHASE NOISE at 25°C
Pad 2 not connected:
PECL and differential PECL outputs enabled.
Disable:
Referenced to Ground (threshold) Oscillator
is always on, buffer stage is disabled.
Disable current: 50mA max. (at 0.0V),
disable time 10ns max.
Enable:
Pad 2 >0.45VCC Ground (threshold) Enable
time 10ns plus one period of output freq.
ENABLE/DISABLE FUNCTION
Frequency (MHz)
38.880
77.760
155.520
622.080
RMS (typ.)
2.5ps
3.0ps
Peak to Peak
20.0ps
18.0ps
20.0ps
25.0ps
PERIOD JITTER
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