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DG308A, DG309
四路SPST模拟开关


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概述
完整的数据资料 (PDF, 52kB)
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The DG308A/DG309 are quad, single-pole-single-throw (SPST) analog switches. The DG308A is normally open (SPST, NO), while the DG309 is normally closed (SPST, NC). Both parts feature fast switching speeds and low on-resistance over the analog range. Other features include a turn-on time under 120ns, a turn-off time under 90ns, and a channel on-resistance of 60Ω. CMOS inputs provide reduced input loading and very low leakage currents.

Both parts feature a 44V maximum breakdown voltage rating that allows 30V peak-to-peak switch-off blocking capacity. The DG308A/DG309 can be used with split supplies (±5V to ±20V) or a single positive supply (+5V to +30V), while retaining CMOS-logic-compatible inputs.

关键特性   应用/使用
  • 60Ω RDS(ON)
  • Single/Bipolar-Supply Operation
  • CMOS Logic Compatible
  • Monolithic, Low-Power CMOS Design

 
  • 通信系统
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    Key Specifications:   Switches and Multiplexers (Mid Voltage)
    Part Number Configuration Number of Channels Normally (Open/Closed) VSUPPLY, Dual (min) (±V) VSUPPLY, Dual (max) (±V) RON (max) (Ω) IL (OFF) (max) (nA) tON (max) (nS) tOFF (max) (nS) QINJECTION (pC) CON (pF) COFF (pF) Price**
    DG308A  SPST 4 Open 4.5 20 100 1 200 150 10 27 8 $1.00 @ 1k
    DG309  Closed $1.00 @ 1k
    See All Switches and Multiplexers (Mid Voltage) (297)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    图表
    DG308A,DG309:典型工作电路
    典型工作电路

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    参考文献: 19-3926; Rev. 0; 1991-03-01
    本页最后一次更新: 2007-05-29


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