VEM57S5-16.384-2.0/0+50 [EUROQUARTZ]
Clipped Sine Output Oscillator, 16.384MHz Nom, MINIATURE, SMD, 4 PIN;
| 型号： | VEM57S5-16.384-2.0/0+50 |
| 厂家： | 
EUROQUARTZ LIMITED |
| 描述： | Clipped Sine Output Oscillator, 16.384MHz Nom, MINIATURE, SMD, 4 PIN 机械 振荡器 |
| 文件： | 总1页 (文件大小：210K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
QUARTZ
EURO
VEM57S Series TCXO
Voltage-controlled Clipped Sinewave 7 x 5 x 2mm SMD
Miniature SMD package 7 x 5mm
Frequency range: 9.6MHz to 26MHz
Close tolerance stabilities from ±0.5ppm over 0° to +50°C
±1ppm over -40 to +85°C also available
EFC tuning ±5ppm to ±12ppm
VEM57S - OUTLINES AND DIMENSIONS
Very low power consumption
DESCRIPTION
EM57S series VCTCXOs are packaged in the industry-standard 7 x
5mm package. With clipped sinewave output, close tolerances are
available from ±0.5ppm over 0° to 50°C or ±1ppm over -40° to
+85°C. The output is controllable by EFC enabling output variation of
±5ppm to ±12ppm. The part has very low power consumption.
SPECIFICATION
Product Series Code:
Frequency Range:
Output Waveform:
Initial Calibration Tolerance*:
Standard Frequencies:
VEM57S
9.6MHz to 26.0MHz
Clipped sine wave
±3ppm at 25°C
9.6, 10.0, 12.80, 13.0, 14.40,
15.36, 16.384, 19.2, 19.440,
and 19.680MHz.
See table
Operating Temperature Range:
Frequency Stability:
Over Operating Temperature range:
vs. Ageing:
See table
±1.0 ppm max. first year
±0.3 ppm max. ±5% change
±0.3 ppm max. ±10% change
±1ppm max. for one reflow
(Measured after 24 hours)
+2.6 VDC to +6.0 VDC
vs. Voltage Change:
vs. Load Change:
vs. Reflow:
Input Voltage Range:
3.0V and 5.0V are standard
Output Voltage Level
+3.0V supply:
0.8V p-p minimum
+5.0V supply:
1.0V p-p minimum
TYPICAL PHASE NOISE
Current Consumption:
Output Load:
Harmonic Distortion:
Output Format:
Storage Temperature:
Electrical Frequency Tuning
See table
10k Ohms//15pF
SSB Phase Noise
at 25°C
Offset (Hz)
10
100
1k
10k
100k
-125
-10dB typical, -7dB maximum
DC block, AC coupled
-40°C to +85°C
±5ppm to ±12ppm for 0.5Vdd
(<±100ppm is available)
Positive: increasing control V.
increases output frequency
10% maximum
(EM57S 100MHz)
dBc/Hz
-72
-110
-125
-132
VEM57S - TEST CIRCUIT
Slope Polarity:
Linearity:
FREQUENCY STABILITY
Frequency Stability (ppm)
0 ~ +50
±0.5
±1.0
±1.5
±2.0
±2.5
-10 ~ +60
ASK
Temperature
-20 ~ +70
Range (°C)
x
x
x
-30 ~ +75
-40 ~ +85
VEM57S - PART NUMBERING PROCEDURE
= available, x = not available, ASK = call Technical Sales
= standard specification
VEM57S3-19.44-2.5/-30+75
Example:
CURRENT CONSUMPTION
Series Description
Supply Voltage
3 = 3.0 VDC
5 = 5.0 VDC
(specify other)
Frequency MHz
Frequency Range
9.6MHz to 13MHz
13.1MHz to 20MHz
20.1MHz to 26MHz
+3.0 V
1.3mA
1.5mA
2.0mA
+5.0 V
2.0mA
2.2mA
2.5mA
Stability over OTR (ppm)
Operating Temperature Range (OTR) (°C)
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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