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ADUM1200:  Dual-Channel Digital Isolator (2/0 Channel Directionality)

The ADuM120x1 are dual-channel, digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic transformer technologies, these isolation components provide outstanding performance characteristics superior to alternatives, such as optocouplers.

By avoiding the use of LEDs and ...More

ADUM1200:  Dual-Channel Digital Isolator (2/0 Channel Directionality)

Product Description

The ADuM120x1 are dual-channel, digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic transformer technologies, these isolation components provide outstanding performance characteristics superior to alternatives, such as optocouplers.

By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with optocouplers. The typical optocoupler concerns regarding uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance char-acteristics. The need for external drivers and other discrete components is eliminated with these iCoupler products. Further-more, iCoupler devices consume one-tenth to one-sixth the power of optocouplers at comparable signal data rates.

The ADuM120x isolators provide two independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide). Both parts operate with the supply voltage on either side ranging from 2.7 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling a voltage translation functionality across the isolation barrier. In addition, the ADuM120x provide low pulse width distortion (<3 ns for CR grade) and tight channel-to-channel matching (<3 ns for CR grade). Unlike other optocoupler alternatives, the ADuM120x isolators have a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.

ADuM1200W and ADuM1201W are automotive grade versions qualified for 125°C operation per AEC-Q100. See the Automotive Products section for more details.

Applications

  • Size-critical multichannel isolation
  • SPI interface/data converter isolation
  • RS-232/RS-422/RS-485 transceiver isolation
  • Digital field bus isolation
  • Hybrid electric vehicles, battery monitor, and motor drive

    • 1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.

    Data Sheet, Rev. G, 9/08

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    • Narrow body, RoHS-compliant, SOIC 8-lead package
    • Low power operation
    • Bidirectional communication
    • 3 V/5 V level translation
    • High temperature operation: 125°C
    • High data rate: dc to 25 Mbps (NRZ)
    • Precise timing characteristics
    • High common-mode transient immunity:
      >25 kV/μs
    • Automotive versions qualified per AEC-Q100
    • Please see data sheet for additional features
    • # Ch: 2
    • iCouplerType: Standard
    • # of Inputs Side 1: 2
    • # of Inputs Side 2: 0
    • Max Data Rate(Mbps): 25Mbps
    • Package: 8-Lead SOIC
    • Insulation Rating (kVrms): 2.5kV rms
    • Max Operating Temp (°C): 125Deg
    • Pos Supply: +2.7V to +5.5V
    • Max Prop Delay (ns): 45ns

    Functional Block Diagram for ADuM1200

    Of Note ...

    类似产品

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    Part# # Ch # of Inputs Side 1 # of Inputs Side 2 Insulation Rating (kVrms) Max Data Rate(Mbps) Max Prop Delay (ns) Pos Supply Max Operating Temp (°C) Package Price* (1000-4999)
    ADUM1100 1 1 0 2.5 100 18 +3V to +5.5V 125 8-Lead SOIC $1.63
    ADUM1200 2 2 0 2.5 25 45 +2.7V to +5.5V 125 8-Lead SOIC $1.22
    ADUM1201 2 1 1 2.5 25 45 +2.7V to +5.5V 125 8-Lead SOIC $1.22
    ADUM1210 2 2 0 2.5 10 50 +2.7V to +5.5V 105 8-Lead SOIC $1.78
    ADUM1300 3 3 0 2.5 90 32 +2.7V to +5.5V 125 16-Lead SOIC $1.63
    ADUM1301 3 2 1 2.5 90 32 +2.7V to +5.5V 125 16-Lead SOIC $1.63
    ADUM1310 3 3 0 2.5 10 50 +2.7V to +5.5V 105 16-Lead SOIC $1.35
    ADUM1311 3 2 1 2.5 10 50 +2.7V to +5.5V 105 16-Lead SOIC $1.35
    ADUM1400 4 4 0 2.5 90 32 +2.7V to +5.5V 125 16-Lead SOIC $2.17
    ADUM1401 4 3 1 2.5 90 32 +2.7V to +5.5V 125 16-Lead SOIC $2.17
    ADUM1402 4 2 2 2.5 90 32 +2.7V to +5.5V 125 16-Lead SOIC $2.17
    ADUM1410 4 4 0 2.5 10 50 +2.7V to +5.5V 105 16-Lead SOIC $1.68
    ADUM1411 4 3 1 2.5 10 50 +2.7V to +5.5V 105 16-Lead SOIC $1.68
    ADUM1412 4 2 2 2.5 10 50 +2.7V to +5.5V 105 16-Lead SOIC $1.68
    ADUM1510 5 5 0 2.5 10 50 +4.5V to +5.5V 105 16-Lead SOIC $4.54
    ADUM2200 2 2 0 5 10 50 +3V to +5.5V 105 16-Lead SOIC $1.67
    ADUM2201 2 1 1 5 10 50 +3V to +5.5V 105 16-Lead SOIC $1.66
    ADUM2400 4 4 0 5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $3.20
    ADUM2401 4 3 1 5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $3.20
    ADUM2402 4 2 2 5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $3.20
    ADUM3100 1 1 0 2.5 50 28 +3V to +5.5V 105 8-Lead SOIC $1.71
    ADUM3200 2 2 0 2.5 25 45 +2.7V to +5.5V 105 8-Lead SOIC $1.28
    ADUM3201 2 1 1 2.5 25 45 +2.7V to +5.5V 105 8-Lead SOIC $1.28
    ADUM3210 2 2 0 2.5 10 50 +2.7V to +5.5V 125 8-Lead SOIC $0.93
    ADUM3211 2 1 1 2.5 10 50 +2.7V to +5.5V 125 8-Lead SOIC $0.93
    ADUM3300 3 3 0 2.5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $1.71
    ADUM3301 3 2 1 2.5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $1.71
    ADUM3400 4 4 0 2.5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $2.28
    ADUM3401 4 3 1 2.5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $2.28
    ADUM3402 4 2 2 2.5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $2.28
    ADUM3440 4 4 0 2.5 150 32 +3V to +5.5V 105 16-Lead SOIC $3.53
    ADUM3441 4 3 1 2.5 150 32 +3V to +5.5V 105 16-Lead SOIC $3.53
    ADUM3442 4 2 2 2.5 150 32 +3V to +5.5V 105 16-Lead SOIC $3.53
    ADUM4400 4 4 0 5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $3.36
    ADUM4401 4 3 1 5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $3.36
    ADUM4402 4 2 2 5 90 32 +2.7V to +5.5V 105 16-Lead SOIC $3.36
    ADUM7440 4 4 0 1 25 56 +3V to +5.5V 105 16-Lead QSOP $1.50
    ADUM7441 4 3 1 1 25 56 +3V to +5.5V 105 16-Lead QSOP $1.50
    ADUM7442 4 2 2 1 25 56 +3V to +5.5V 105 16-Lead QSOP $1.50
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