參數(shù)資料
型號： EM44T5-50.0K-1.5/0+50
廠商： EUROQUARTZ LTD
元件分類： XO, clock
英文描述： TCXO, CLOCK, 0.05 MHz, HCMOS OUTPUT
封裝： MINIATURE, CERAMIC, SMD, 4 PIN
文件頁數(shù)： 1/1頁
文件大?。?/td> 118K
代理商： EM44T5-50.0K-1.5/0+50
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
EM44T Series
DESCRIPTION
Miniature 11.4 x 9.6 x 4.7mm 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
EM44T 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.
EM44T - OUTLINES AND DIMENSIONS
FREQUENCY STABILITY
Frequency
+3.3 V
32.768kHz
8.0mA
50kHz
12mA
CURRENT CONSUMPTION
SPECIFICATION
Product Series Code
TCXO:
EM44T
VCTCXO:
VEM44T
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:
EM44T33-32.768k-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 = EM44T
VCTCXO = VEM44T
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.
VEM44T VOLTAGE CONTROL SPECIFICATION
HCMOS 4 pad SMD, kHz Range
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
EM8K28-FREQ-2.5/-30+75 TCXO, CLOCK, 12.8 MHz - 26 MHz, HCMOS OUTPUT
EM8K30-13.000-1.0/0+50 TCXO, CLOCK, 13 MHz, HCMOS OUTPUT
EM8K30-14.400-4.0/-20+70 TCXO, CLOCK, 14.4 MHz, HCMOS OUTPUT
EM8K30-16.000-3.0/-30+75 TCXO, CLOCK, 16 MHz, HCMOS OUTPUT
EM64T33-125.0-1.5/0+50 TCXO, CLOCK, 125 MHz, HCMOS OUTPUT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM4500XS 制造商:EPCOS 制造商全稱:EPCOS 功能描述:Surge arrester 2-electrode arrester
EM4513-50BC10&33 功能描述:MIC OMNI DIRECT 4.5X1.3MM -50DB RoHS:否 類別:音頻產(chǎn)品 >> 麥克風 系列:- 產(chǎn)品目錄繪圖:SPM04xxHx(5,xH)-xB SP Series_FTPRNT-5 標準包裝:1 系列:SiSonic™ 類型:MEMS（硅） 輸出類型:模擬 方向:全向 頻率范圍:100Hz ~ 10kHz 靈敏度:-42dB ±3dB 信噪比:59dB 阻抗:100 歐姆 電壓 - 額定:1.5 ~ 3.6V 電流 - 電源:250µA 端口位置:頂部 密封等級:無 端子:表面貼裝型 尺寸/尺寸:4.72mm L x 3.76mm W 高度（最大）:1.35mm 形狀:矩形 包裝:Digi-Reel® 產(chǎn)品目錄頁面:2669 (CN2011-ZH PDF) 其它名稱:423-1131-6
EM4513-50BC10&33-G 功能描述:MIC OMNI DIRECT 4.5X1.3MM -50DB RoHS:是 類別:音頻產(chǎn)品 >> 麥克風 系列:- 產(chǎn)品目錄繪圖:SPM04xxHx(5,xH)-xB SP Series_FTPRNT-5 標準包裝:1 系列:SiSonic™ 類型:MEMS（硅） 輸出類型:模擬 方向:全向 頻率范圍:100Hz ~ 10kHz 靈敏度:-42dB ±3dB 信噪比:59dB 阻抗:100 歐姆 電壓 - 額定:1.5 ~ 3.6V 電流 - 電源:250µA 端口位置:頂部 密封等級:無 端子:表面貼裝型 尺寸/尺寸:4.72mm L x 3.76mm W 高度（最大）:1.35mm 形狀:矩形 包裝:Digi-Reel® 產(chǎn)品目錄頁面:2669 (CN2011-ZH PDF) 其它名稱:423-1131-6
EM4513-50BC10&33-G 制造商:Horn Industrial Co Ltd 功能描述:MIC COND ANALOG OMNI -50DB
EM4513-BC 制造商:SOBERTON 制造商全稱:SOBERTON 功能描述:Omnidirectional Back Electret Condenser Microphone
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*