參數(shù)資料
型號(hào)： EM57T33-16.3840-1.5/-20+70
廠商： EUROQUARTZ LTD
元件分類： XO, clock
英文描述： TCXO, CLOCK, 16.384 MHz, HCMOS OUTPUT
封裝： ROHS COMPLIANT, MINIATURE, SMD, 4 PIN
文件頁(yè)數(shù)： 1/1頁(yè)
文件大小： 172K
代理商： EM57T33-16.3840-1.5/-20+70
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
DESCRIPTION
EM57T series TCXOs are packaged in the industry-standard 7x5mm
SMD format. With HCMOS output, close tolerances are available
from ±0.5ppm over 0° to 50°C to ±1ppm over -40° to +85°C. The
parts have a 0.01uF decoupling capacitor built-in.
Miniature SMD package 7 x 5mm
Wide frequency range: 2.5MHz to 170MHz
Stability from ±0.5ppm over 0° to +50°C
±1ppm over -40 to +85°C available
Supply voltage 2.8 Volts to 5.0 Volts
SPECIFICATION
Product Series Code:
EM57T
Frequency Range:
2.5MHz to 170.0MHz
Output Waveform:
Square wave HCMOS
Initial Calibration Tolerance*:
±3ppm at 25°C
Standard Frequencies:
10.0, 12.80, 13.0, 14.40,
16.0, 16.3840, 19.200,
19.440, 19.680, 20.0, 38.880,
77.760 and 155.52MHz
(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:
±1ppm max. for one reflow
(Measured after 24 hours)
Supply Voltage:
+2.8 VDC (Code ‘28’)
+3.0 VDC (Code ‘3’)
+3.3 VDC (Code ‘33’)
+5.0 VDC (Code ‘5’)
Output Voltage Levels
Logic ‘1’ HIGH:
80% Vdd min.
Logic ‘0’ LOW:
10% Vdd max.
Rise & Fall Times:
10ns max. (20%~80%)
Duty Cycle (Symmetry):
50%±10% (at 50%Vdd)
Start-up Time:
10ms max.
Current Consumption:
30mA max. (Freq. dependent)
Output Load:
15pF
SSB Phase Noise:
See table
Output Format:
AC block, DC coupled
Storage Temperature:
-50° to +100°C
EM57T - OUTLINES AND DIMENSIONS
Frequency Stability (ppm)
±0.5
±1.0
±1.5
±2.0
±2.5
Temperature
Range (°C)
0 ~ +50
P
-10 ~ +60
ASK
P
-20 ~ +70
x
P
-30 ~ +75
x
P
-40 ~ +85
x
P
= available, x = not available, ASK = contact Technical Sales
FREQUENCY STABILITY
EM57T - TEST CIRCUIT
SSB Phase Noise
at 25°C
Offset
(Hz)
10
100
1k
10k
100k
EM57T
100MHz
(dBc/Hz)
-72
-110
-125
-132
-125
EM57T - PART NUMBERING PROCEDURE
Example:
EM57T3-19.44-2.5/-30+75
Series Description
Supply Voltage
28 = 2.8 VDC
3 = 3.0 VDC
33 = 3.3 VDC
5 = 5.0 VDC
Frequency
Stability over OTR (ppm)
Operating Temperature Range (OTR) (°C)
* Stability over temperature will be from this measured initial frequency
= standard specification
PHASE NOISE
HCMOS 7 x 5 x 2.5mm SMD
EM57T Series
相關(guān)PDF資料
PDF描述
EM57T33-16.3840-2.5/-40+85 TCXO, CLOCK, 16.384 MHz, HCMOS OUTPUT
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EMV14GT33-38.880-0.5/0+50 TCXO, CLOCK, 38.88 MHz, HCMOS OUTPUT
EMV14GT33-38.880-2.5/0+50 TCXO, CLOCK, 38.88 MHz, HCMOS OUTPUT
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