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      • 參數(shù)資料
        型號: FREQCFPT-9051CC1ALF
        廠商: C-MAC MICROTECHNOLOGY
        元件分類: TCVCXO, clock
        英文描述: TCVCXO, CLOCK, 1 MHz - 50 MHz, HCMOS OUTPUT
        封裝: LEAD FREE, SMD, 6 PIN
        文件頁數(shù): 1/4頁
        文件大?。?/td> 62K
        代理商: FREQCFPT-9051CC1ALF
        SURF
        ACE
        MOUNT
        TCXOs
        CFPT-9050 Series
        ISSUE 6 ; 23 DECEMBER 2004
        Recommended for New Designs
        Delivery Options
        Please contact our sales office for current leadtimes
        Description
        A highly versatile series of surface mountable
        14.7 x 9.2 x 6.2mm temperature compensated voltage
        controlled crystal oscillators (TCVCXOs) for applications
        where small size and high performance are pre-
        requisites. This oscillator uses C-MAC’s latest custom
        ASIC "Pluto", a single chip oscillator and analogue
        compensation circuit, capable of sub 0.3 ppm
        performance. Its wide frequency range, operating
        temperature range, drive capability, coupled with its
        high stability and linear frequency pulling make it the
        ideal reference oscillator. Its ability to function down to
        a supply voltage of 2.4V and low power consumption
        makes it particularly suitable for mobile applications
        Standard Frequencies
        9.6, 10.0, 12.8, 19.44, 20.0, 38.88, 49.152, 51.84MHz
        Waveform
        Square HCMOS 15pF load
        Square ACMOS 50pF max. load
        Sinewave 10k
        // 10pF, AC-coupled
        Clipped sinewave 10k
        // 10pF, AC-coupled
        Supply Voltage
        Operating range 2.4 to 6.0V, see table
        Current Consumption
        HCMOS Typically
        1+Frequency(MHz)*Supply(V)*{Load(pF)+15}*10-3 mA
        e.g. 20MHz, 5V, 15pF
        4mA
        ACMOS Typically
        1+Frequency(MHz)*Supply(V)*{Load(pF)+23}*10-3 mA
        Sinewave, 6 to 12 mA depending on frequency
        Clipped Sinewave, Typically
        1+Frequency(MHz)*1.2*{Load(pF)+30}*10-3 mA
        Package Outline
        14.7 x 9.2 x 6.2mm SMD
        Ageing
        ±1ppm maximum in first year
        ±3ppm maximum for 10 years
        ±1ppm maximum after reflow
        Frequency Stability
        Temperature: see table
        Typical Supply Voltage Variation ±10% < ±0.2 ppm*
        Typical Load Coefficient 15pF ±5pF < ±0.2 ppm*
        * Depending on frequency and output type
        Frequency Adjustment
        Three options with external Voltage Control applied to
        pad 1:
        A - Ageing adjustment: > ±5ppm (Standard Option)
        B - No frequency adjustment. Initial calibration @ 25°C
        < ±0.5 ppm
        C - High Pulling ±10ppm to ±50ppm can be available
        depending on frequency and stability options.
        Please consult our sales office
        Linearity
        < 1%
        Slope
        Positive
        Input resistance
        > 100k
        Modulation bandwidth
        > 2kHz
        Standard control voltage ranges:
        Without reference voltage
        - Vs=5.0V 2.5V±2V
        Without reference voltage
        - Vs=3.3V 1.65V±1V
        With reference voltage
        - Vc=0V to Vref
        Reference Voltage, Vref (HCMOS/ACMOS only)
        Optional reference voltage output on pad 5, suitable for
        potentiometer supply or DAC reference.
        1. No output (standard option)
        2. 2.2V, for Min. Vs>2.4V
        3. 2.7V, for Min. Vs>3.0V
        4. 4.2V, for Min. Vs>4.5V
        Maximum load current (mA) = Vref /10
        For manual frequency adjustment (HCMOS/ACMOS output
        only) connect an external 50k
        potentiometer between
        pad 5 (Reference Voltage) and pad 3 (GND) with wiper
        connected to pad 1 (Voltage Control). Please specify
        reference voltage as a part of the ordering code
        Note: Please contact our sales office if a reference voltage
        is required in combination with sine or clipped sinewave
        output
        Tri-state
        Pad 2 open circuit or >0.6Vs output enabled
        < 0.2Vs Tri-state
        When Tri-stated, the output stage is disabled for all
        output options, but the oscillator and compensation
        circuit are still active (current consumption <1mA)
        Europe
        Tel: +44 (0)1460 270200
        Fax: +44 (0)1460 72578
        Website: www.cmac.com
        Americas Tel: +1 919 941 9333
        Fax: +1 919 941 9371
        Asia
        Tel: +86 755 8826 5991
        Fax: +86 755 8826 5990
        相關(guān)PDF資料
        PDF描述
        FREQCFPT-9051CC2A TCVCXO, CLOCK, 1 MHz - 50 MHz, HCMOS OUTPUT
        FREQCFPT-9051CY3C TCVCXO, CLOCK, 1 MHz - 50 MHz, HCMOS OUTPUT
        FREQCFPT-9051ES3A TCVCXO, CLOCK, 1 MHz - 50 MHz, HCMOS OUTPUT
        FREQCFPT-9055GX3C TCVCXO, CLOCK, 1 MHz - 80 MHz, ACMOS OUTPUT
        FREQCFPT-9055HS3ALF TCVCXO, CLOCK, 1 MHz - 80 MHz, ACMOS OUTPUT
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