參數(shù)資料
型號(hào)： EM57T5-15.36-2.0/-30+75
廠商： EUROQUARTZ LTD
元件分類： XO, clock
英文描述： TCXO, CLOCK, 15.36 MHz, HCMOS OUTPUT
封裝： ROHS COMPLIANT, MINIATURE, CERAMIC, SMD, 4 PIN
文件頁(yè)數(shù)： 1/1頁(yè)
文件大?。?/td> 147K
代理商： EM57T5-15.36-2.0/-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
HCMOS 7 x 5 x 2.5mm SMD, MHz Range
EM57T Series
DESCRIPTION
Miniature 7 x 5 x 2.5mm SMD package
Wide frequency range: 1.25MHz to 156.0MHz
Supply voltage 2.8, 3.0, 3.3 or 5.0 Volts
Frequency stability from ±1ppm over -30 to +75°C
RoHS compliant
EM57T series TCXOs are packaged in a miniature 4 pad ceramic SMD
package. With squarewave (CMOS) output, tolerances are available
from ±1.0ppm over -30° to +75°C. The part has a 0.01mF decoupling
capacitor built in.
EM57T - OUTLINES AND DIMENSIONS
Input Voltage/
Frequency
+2.8V
+3.0
+3.3V
+5.0 V
8.192MHz
2mA
5mA
10.0MHz
3mA
4mA
7mA
77.760MHz
14mA
17mA
32mA
155.520MHz
26mA
35mA
50mA
INPUT VOLTAGE & CURRENT CONSUMPTION
SPECIFICATION
Product Series Code
TCXO:
EM57T
VCTCXO:
VEM57T
Frequency Range:
1.25MHz to 156.0MHz
Output Waveform:
Squarewave, HCMOS
Initial Calibration Tolerance:
<±2.0ppm at +25°±2°C
Standard Frequencies:
10.0, 12.8, 13.0, 14.4, 15.36,
16.384, 19.2, 19.440, 19.68,
25.0, 20.0, 27.0, 38.880,
40.0, 77.760, 125.0, 155.520
(Partial list)
Operating Temperature Range:
See table
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
(Measured after 24 hours)
Supply Voltage:
+2.8, +3.0, +3.3 or +5.0V
(See table)
Output Logic Levels:
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
Rise and Fall Times:
10ns max.
Duty Cycle:
50%±10% standard,
50%±5% option
Start-up Time:
5ms typical, 10ms max.
Current Consumption:
See table below
Output Load:
15pF
Storage Temperature:
-55~+125°C
PART NUMBERING PROCEDURE
Example:
EM57T33-38.880-2.5/-30+75
Supply Voltage
28 = 2.8VDC
3 = 3.0VDC
33 = 3.3 VDC
5 = 5.0 VDC
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits.
Series Description
TCXO = EM57T
VCTCXO = VEM57T
Control Voltage:
Standard = +1.5±1.0Volts for all input
voltages. (Contact technical sales if
+2.5±2.0 Volts is required.)
Frequency Deviation:
±6.0 ppm min. (Vcon = +4.5V±1.0V)
Slope Polarity:
Positive (increase of control voltage increases
output frequency.)
Input Impedance:
50k
minimum
Modulation Bandwidth: 20kHz minimum
Linearity:
±10% maximum
VEM57T VOLTAGE CONTROL SPECIFICATION
Offset
10Hz
100Hz
1kHz
10kHz
100kHz
Part =
M57T33
at 10.0Mhz
(dBc/Hz)
-115
-135
-148
-152
-155
at 155.250Mhz
(dBc/Hz)
-72
-110
-125
-132
-125
SSB PHASE NOISE at 25°C
Frequency Stability (ppm)
±0.5
±1.0
±1.5
±2.0
±2.5
Temperature
Range (°C)
0 ~ +50
ASK
P
-10 ~ +60
x
P
-20 ~ +70
x
P
-30 ~ +75
x
P
PP
-40 ~ +85
x
P
= available, x = not available, ASK = call Technical Sales
FREQUENCY STABILITY
相關(guān)PDF資料
PDF描述
EM57T5-16.384-1.5/-20+70 TCXO, CLOCK, 16.384 MHz, HCMOS OUTPUT
EM57T5-16.384-2.5/-30+75 TCXO, CLOCK, 16.384 MHz, HCMOS OUTPUT
EM57T5-19.68-1.0/-10+60 TCXO, CLOCK, 19.68 MHz, HCMOS OUTPUT
EM57T5-27.0-2.5/-10+60 TCXO, CLOCK, 27 MHz, HCMOS OUTPUT
EMV14T33-38.880-3.0/-30+75 TCXO, CLOCK, 38.88 MHz, HCMOS OUTPUT
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