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    參數(shù)資料
    型號(hào): ADF4212LBRUZ-RL7
    廠商: Analog Devices Inc
    文件頁(yè)數(shù): 2/28頁(yè)
    文件大?。?/td> 0K
    描述: IC PLL FREQ SYNTHESIZER 20TSSOP
    標(biāo)準(zhǔn)包裝: 1,000
    類型: 時(shí)鐘/頻率合成器(RF/IF)
    PLL:
    輸入: CMOS,TTL
    輸出: 時(shí)鐘
    電路數(shù): 1
    比率 - 輸入:輸出: 3:1
    差分 - 輸入:輸出: 是/是
    頻率 - 最大: 2.4GHz
    除法器/乘法器: 是/無(wú)
    電源電壓: 2.7 V ~ 3.3 V
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
    供應(yīng)商設(shè)備封裝: 20-TSSOP
    包裝: 帶卷 (TR)
    ADF4212L
    Data Sheet
    Rev. E | Page 10 of 28
    OU
    TP
    U
    T
    P
    OWE
    R
    (
    dB
    )
    0
    –10
    –20
    –30
    –40
    –50
    –60
    –70
    –80
    –90
    –100
    –400k
    –200k
    540M
    200k
    400k
    REFERENCE
    LEVEL = –7.0dBm
    –89.3dBc
    FREQUENCY (Hz)
    VDD = 3V, VP = 5V
    ICP = 5mA
    PFD FREQUENCY = 200kHz
    LOOP BANDWIDTH = 20kHz
    RES. BANDWIDTH = 1Hz
    VIDEO BANDWIDTH = 1Hz
    SWEEP = 2.5 SECONDS
    AVERAGES = 20
    02774-
    011
    Figure 11. Reference Spurs, IF Side (540 MHz, 200 kHz, 20 kHz)
    PH
    A
    SE
    N
    O
    ISE
    (d
    B
    c
    /H
    z)
    –50
    –60
    –70
    –80
    –90
    –100
    –110
    –120
    –130
    –140
    –150
    100Hz
    1MHz
    FREQUENCY OFFSET
    FROM 540MHz CARRIER
    0.83° RMS
    10dB/DIV
    RMS NOISE =
    0.83 DEGREES
    RL = –50dBc/Hz
    02774-
    012
    Figure 12. Integrated Phase Noise (540 MHz, 200 kHz/20 kHz)
    PHASE DETECTOR FREQUENCY (kHz)
    10
    10k
    PH
    A
    SE
    N
    O
    ISE
    (d
    B
    c
    /H
    z)
    1k
    100
    VDD = 3V
    VP = 5V
    –130
    –140
    –150
    –160
    –170
    –180
    02774-
    013
    Figure 13. Phase Noise Referred to CP Output vs. PFD Frequency, RF Side
    PHASE DETECTOR FREQUENCY (kHz)
    10
    10k
    PH
    A
    SE
    N
    O
    ISE
    (d
    B
    c
    /H
    z)
    1k
    100
    –130
    –140
    –150
    –160
    –170
    –180
    VDD = 3V
    VP = 5V
    02774-
    014
    Figure 14. Phase Noise Referred to CP Output vs. PFD Frequency, IF Side
    VCP (V)
    0
    I CP
    (
    mA)
    1
    6
    4
    2
    0
    –2
    –4
    2
    3
    4
    5
    –6
    02774-
    015
    Figure 15. RF Charge Pump Output Characteristics
    VCP (V)
    0
    I CP
    (
    mA)
    1
    6
    4
    2
    0
    –2
    –4
    2
    3
    4
    5
    –6
    VDD = 3V
    VP2 = 5.5V
    02774-
    016
    Figure 16. IF Charge Pump Output Characteristics
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