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    參數(shù)資料
    型號: AD9778BSVZRL
    廠商: Analog Devices Inc
    文件頁數(shù): 6/56頁
    文件大?。?/td> 0K
    描述: IC DAC 14BIT DUAL 1GSPS 100TQFP
    產(chǎn)品培訓模塊: DAC Architectures
    標準包裝: 1,000
    位數(shù): 14
    數(shù)據(jù)接口: 并聯(lián)
    轉(zhuǎn)換器數(shù)目: 2
    電壓電源: 模擬和數(shù)字
    功率耗散(最大): 300mW
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 100-TQFP 裸露焊盤
    供應商設備封裝: 100-TQFP-EP(14x14)
    包裝: 帶卷 (TR)
    輸出數(shù)目和類型: 4 電流,單極;4 電流,雙極
    采樣率(每秒): 1G
    AD9776/AD9778/AD9779
    Rev. A | Page 14 of 56
    Pin
    No.
    Mnemonic
    Description
    43
    DVDD18
    1.8 V Digital Supply.
    44
    DGND
    Digital Common.
    45
    P2D<12>
    Port 2, Data Input D12.
    46
    P2D<11>
    Port 2, Data Input D11.
    47
    P2D<10>
    Port 2, Data Input D10.
    48
    P2D<9>
    Port 2, Data Input D9.
    49
    P2D<8>
    Port 2, Data Input D8.
    50
    P2D<7>
    Port 2, Data Input D7.
    51
    P2D<6>
    Port 2, Data Input D6.
    52
    P2D<5>
    Port 2, Data Input D5.
    53
    DVDD18
    1.8 V Digital Supply.
    54
    DGND
    Digital Common.
    55
    P2D<4>
    Port 2, Data Input D4.
    56
    P2D<3>
    Port 2, Data Input D3.
    57
    P2D<2>
    Port 2, Data Input D2.
    58
    P2D<1>
    Port 2, Data Input D1.
    59
    P2D<0>
    Port 2, Data Input D0 (LSB).
    60
    DVDD18
    1.8 V Digital Supply.
    61
    DVDD33
    3.3 V Digital Supply.
    62
    SYNC_O
    Differential Synchronization Output.
    63
    SYNC_O+
    Differential Synchronization Output.
    64
    DGND
    Digital Common.
    65
    PLL_LOCK
    PLL Lock Indicator.
    66
    SPI_SDO
    SPI Port Data Output.
    67
    SPI_SDIO
    SPI Port Data Input/Output.
    68
    SCLK
    SPI Port Clock.
    69
    SPI_CSB
    SPI Port Chip Select Bar.
    70
    RESET
    Reset, Active High.
    71
    IRQ
    Interrupt Request.
    72
    AGND
    Analog Common.
    73
    IPTAT
    Factory Test Pin. Output current is
    proportional to absolute temperature,
    approximately 10 μA at 25°C with
    approximately 20 nA/°C slope. This pin
    should remain floating.
    Pin
    No.
    Mnemonic
    Description
    74
    VREF
    Voltage Reference Output.
    75
    I120
    120 μA Reference Current.
    76
    AVDD33
    3.3 V Analog Supply.
    77
    AGND
    Analog Common.
    78
    AVDD33
    3.3 V Analog Supply.
    79
    AGND
    Analog Common.
    80
    AVDD33
    3.3 V Analog Supply.
    81
    AGND
    Analog Common.
    82
    AGND
    Analog Common.
    83
    OUT2_P
    Differential DAC Current Output,
    Channel 2.
    84
    OUT2_N
    Differential DAC Current Output,
    Channel 2.
    85
    AGND
    Analog Common.
    86
    AUX2_P
    Auxiliary DAC Current Output, Channel 2.
    87
    AUX2_N
    Auxiliary DAC Current Output, Channel 2.
    88
    AGND
    Analog Common.
    89
    AUX1_N
    Auxiliary DAC Current Output, Channel 1.
    90
    AUX1_P
    Auxiliary DAC Current Output, Channel 1.
    91
    AGND
    Analog Common.
    92
    OUT1_N
    Differential DAC Current Output,
    Channel 1.
    93
    OUT1_P
    Differential DAC Current Output,
    Channel 1.
    94
    AGND
    Analog Common.
    95
    AGND
    Analog Common.
    96
    AVDD33
    3.3 V Analog Supply.
    97
    AGND
    Analog Common.
    98
    AVDD33
    3.3 V Analog Supply.
    99
    AGND
    Analog Common.
    100
    AVDD33
    3.3 V Analog Supply.
    1 The combined differential clock input at the CLK+ and CLK– pins are referred
    to as REFCLK.
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