參數(shù)資料
        型號: EMW576P33-12.8-1.0/0+50
        廠商: EUROQUARTZ LTD
        元件分類: TCXO, clock
        英文描述: TCXO, CLOCK, 12.8 MHz, PECL OUTPUT
        封裝: PECL 7 X 5 X 2.8MM SMD, W GROUP TCXO
        文件頁數(shù): 1/1頁
        文件大?。?/td> 165K
        代理商: EMW576P33-12.8-1.0/0+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
        PECL 7 x 5 x 2.8mm SMD, 'W' Group
        EMW576P Series
        DESCRIPTION
        Miniature 7 x 5 x 2.8mm ceramic SMD package
        Frequency range: 10.0MHz to 800.0MHz
        Supply voltage 3.3 Volts
        Low cost, low jitter for general applications
        RoHS compliant
        EMW576P series TCXOs are packaged in a miniature 6 pad 7 x 5 x
        2.8mm ceramic SMD package. With differential PECL output,
        tolerances are available from ±1.0ppm over -30° to +75°C. The part
        has a 0.01mF decoupling capacitor built in.
        EMW576P - OUTLINES AND DIMENSIONS
        Stability (ppm)
        ±1.0
        ±2.0
        ±2.5
        ±3.0
        ±4.0
        ±5.0
        Temp.
        Range (°C)
        0 ~ +50
        P
        -10 ~ +60
        ASK
        P
        -20 ~ +70
        X
        P
        -30 ~ +75
        X
        P
        -40 ~ +85
        X
        ASK
        P
        = available, x = not available, ASK = call Technical Sales
        SPECIFICATION
        Product Series Code
        TCXO:
        EMW576P
        VCTCXO:
        VEMW576P
        Frequency Range:
        10.0MHz to 800.0MHz
        Output Waveform:
        Differential PECL
        Initial Calibration Tolerance:
        <±2.0ppm at +25°±2°C
        Standard Frequencies:
        10.0, 12.8, 16.0, 19.44, 20.0,
        27.0, 30.0, 32.768, 38.880, 40.0, 50.0, 54.0,
        64.0, 65.5360, 77.76, 80.0, 100.0, 128.0,
        155.520, 160.0, 200.0, 204.8, 311.04, 320.0,
        409.6 and 622.080MHz (Partial list)
        Operating Temperature Range:
        See table
        Frequency Stability
        (see table)
        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:
        +3.3 Volts
        Output Logic Levels
        Logic High:
        VOH = 2.275V (min.)
        VDD = -1.025V (min.)
        Logic Low:
        VOL = 1.680V (max.)
        VDD = -1.620V (max.)
        Rise and Fall Times:
        1.5ns typical
        Duty Cycle:
        50%±5%
        Start-up Time:
        5ms typical, 10ms max.
        Current Consumption
        10MHz to 25MHz:
        65mA
        25MHz to 100MHz:
        85mA
        100MHz to 800MHz:
        115mA
        Output Load:
        50W to VDD -2.0 Volts
        Phase Jitter (RMS) (12kHz to 20MHz):
        2.6ps typ., 4.0ps max for
        155.520MHz
        Storage Temperature:
        -55° to +125°C
        PART NUMBERING SCHEDULE
        Example:
        EMW576P33-155.52-2.5/-30+75
        Supply Voltage
        33 = 3.3 VDC
        Frequency (MHz)
        Stability over OTR (±ppm)
        Operating Temperature Range (OTR) (°C)
        Lower and upper limits
        Series Description
        TCXO = EMW576P
        VCTCXO = VEMW576P
        Control Voltage:
        +1.5±1.0Volts
        Frequency Deviation:
        ±6.0 ppm min. with Vcon = +1.5±1.0V
        Slope Polarity:
        Positive (increase of control voltage increases
        output frequency.)
        Linearity:
        6% typical, 10% maximum
        VEMW576P VOLTAGE CONTROL SPECIFICATION
        FREQUENCY STABILITY OVER TEMPERATURE
        Offset
        10Hz
        100Hz
        1kHz
        10kHz
        100kHz
        Part =
        EMW576P33
        at 155.52MHz
        (dBc/Hz)
        -65
        -95
        -120
        -125
        -121
        at 622.08MHz
        (dBc/Hz)
        -55
        -85
        -109
        -115
        -110
        SSB PHASE NOISE at 25°C
        Pad 2 not connected:
        PECL and differential PECL outputs enabled.
        Disable:
        Referenced to Ground (threshold) Oscillator
        is always on, buffer stage is disabled.
        Disable current: 50mA max. (at 0.0V),
        disable time 10ns max.
        Enable:
        Pad 2 >0.45VCC Ground (threshold) Enable
        time 10ns plus one period of output freq.
        ENABLE/DISABLE FUNCTION
        Frequency (MHz)
        38.880
        77.760
        155.520
        622.080
        RMS (typ.)
        2.2ps
        3.5ps
        4.3ps
        5.0ps
        Peak to Peak
        17.0ps
        25.0ps
        27.0ps
        32.0ps
        PERIOD JITTER
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