參數(shù)資料
型號(hào)： VEM57T33-20.0K-2.5/-10+60
廠商： EUROQUARTZ LTD
元件分類(lèi)： XO, clock
英文描述： TCVCXO, CLOCK, 0.02 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> 132K
代理商： VEM57T33-20.0K-2.5/-10+60
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, kHz Range
EM57T Series
DESCRIPTION
Miniature 7 x 5 x 2.5mm SMD package
Frequency range: 20.0 to 50.0kHz; 32.768kHz
Supply voltage 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
FREQUENCY STABILITY
Frequency
+3.3 V
32.768kHz
8.0mA
50kHz
12mA
CURRENT CONSUMPTION
SPECIFICATION
Product Series Code
TCXO:
EM57T
VCTCXO:
VEM57T
Frequency Range:
32.768kHz Standard frequency
20.0kHz to 50.0kHz
Output Waveform:
Squarewave
Initial Calibration Tolerance
Models with mech. trimmer: <1.0ppm (at t. 25°±2°C)
Models without trimmer:
<2.0ppm (at t. 25°±2°C)
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:
+3.3 or +5.0Volts
(Specify when ordering)
Output Logic Levels:
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
Rise and Fall Times:
10ns max.
Duty Cycle:
50%±5%
Start-up Time:
2ms typical, 5ms max.
Current Consumption:
See table below
Output Load:
15pF
Storage Temperature:
-55~+125°C
PART NUMBERING PROCEDURE
Example:
EM57T33-32.768k-2.5/-30+75
Supply Voltage
33 = 3.3 VDC
5 = 5.0 VDC
Frequency (kHz)
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.
Slope Polarity:
Positive (increase of control voltage increases
output frequency.)
Input Impedance:
10k
min.
Modulation Bandwidth: 3.0kHz min. measured at -3dB
Linearity:
10% max.
VEM57T VOLTAGE CONTROL SPECIFICATION
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
VEM9T33-16.384-2.5/-30+75 TCVCXO, CLOCK, 16.384 MHz, HCMOS OUTPUT
VEM9T33-20.0-1.0/0+50 TCVCXO, CLOCK, 20 MHz, HCMOS OUTPUT
VEM9T33-20.0-2.0/-10+60 TCVCXO, CLOCK, 20 MHz, HCMOS OUTPUT
VEM38T5-40.0-2.0/0+50 TCVCXO, CLOCK, 40 MHz, HCMOS OUTPUT
VEM44T5-20.0K-2.5/0+50 TCVCXO, CLOCK, 0.02 MHz, HCMOS OUTPUT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
VEM57T33-32.768K-2.5-30 制造商:EUROQUARTZ 制造商全稱(chēng):EUROQUARTZ limited 功能描述:HCMOS 7 x 5 x 2.5mm SMD, kHz Range
VEM57T5-32.768K-2.5-30 制造商:EUROQUARTZ 制造商全稱(chēng):EUROQUARTZ limited 功能描述:HCMOS 7 x 5 x 2.5mm SMD, kHz Range
VEM62GS28-19.44-2.5-30 制造商:EUROQUARTZ 制造商全稱(chēng):EUROQUARTZ limited 功能描述:Clipped Sinewave, 6 Pad FR4 substrate SMD
VEM62GS3-19.44-2.5-30 制造商:EUROQUARTZ 制造商全稱(chēng):EUROQUARTZ limited 功能描述:Clipped Sinewave, 6 Pad FR4 substrate SMD
VEM62GS5-19.44-2.5-30 制造商:EUROQUARTZ 制造商全稱(chēng):EUROQUARTZ limited 功能描述:Clipped Sinewave, 6 Pad FR4 substrate SMD
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*