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    • 參數(shù)資料
      型號(hào): MAX225EWI
      廠商: Maxim Integrated Products
      文件頁(yè)數(shù): 38/38頁(yè)
      文件大小: 0K
      描述: IC TXRX RS232 5V 2RCVR 28-SOIC
      產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
      Obsolescence Mitigation Program
      標(biāo)準(zhǔn)包裝: 25
      類型: 收發(fā)器
      驅(qū)動(dòng)器/接收器數(shù): 5/5
      規(guī)程: RS232
      電源電壓: 4.75 V ~ 5.25 V
      安裝類型: 表面貼裝
      封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
      供應(yīng)商設(shè)備封裝: 28-SOIC W
      包裝: 管件
      +5V-Powered, Multichannel RS-232
      Drivers/Receivers
      Supply Voltage Range
      4.75
      5.25
      V
      Transmitter Enable Time
      MAX225
      10
      20
      tET
      No load
      MAX244–MAX249
      11
      30
      510
      30
      MAX225
      40
      VCC Supply Current
      (Normal Operation)
      3k
      Ω loads on
      all outputs
      MAX244–MAX249
      57
      mA
      Transition Slew Rate
      825
      CL = 50pF to 2500pF, RL = 3k
      Ω to 7kΩ, VCC = +5V,
      TA = +25°C, measured from +3V to -3V or -3V to +3V
      TA = TMIN to TMAX
      CONDITIONS
      50
      V/s
      MAX246–MAX249
      (excludes charge-pump startup)
      Shutdown Supply Current
      A
      5
      tPHLT, Figure 1
      1.3
      3.5
      s
      tPLHT, Figure 1
      1.5
      3.5
      Transmitter Disable Time
      Transmitter Propagation Delay
      TLL to RS-232 (Normal Operation)
      s
      tDT, Figure 4
      100
      ns
      Transmitter + to - Propagation
      Delay Difference (Normal Operation)
      tPHLT - tPLHT
      UNITS
      MIN
      TYP
      MAX
      350
      PARAMETER
      ns
      Receiver + to - Propagation
      Delay Difference (Normal Operation)
      tPHLR - tPLHR
      350
      ns
      4.5
      5.5
      MAX244–MAX249
      MAX225
      Leakage current
      ±1
      Logic-low voltage
      1.4
      0.8
      Control Input
      Logic-high voltage
      2.4
      1.4
      V
      A
      TA = +25°C
      tPHLR, Figure 2
      0.6
      1.5
      tPLHR, Figure 2
      0.6
      1.5
      Receiver Propagation Delay
      TLL to RS-232 (Normal Operation)
      s
      tPHLS, Figure 2
      0.6
      10
      tPLHS, Figure 2
      3.0
      10
      Receiver Propagation Delay
      TLL to RS-232 (Low-Power Mode)
      s
      Receiver-Output Enable Time
      tER, Figure 3
      100
      500
      ns
      Receiver-Output Disable Time
      tDR, Figure 3
      100
      500
      ns
      MAX225/MAX245–MAX249
      (includes charge-pump startup)
      10
      ms
      POWER SUPPLY AND CONTROL LOGIC
      AC CHARACTERISTICS
      Note 7: All units production tested at hot. Specifications over temperature are guaranteed by design.
      Note 8: The 300
      Ω minimum specification complies with EIA/TIA-232E, but the actual resistance when in shutdown mode or VCC =
      0V is 10M
      Ω as is implied by the leakage specification.
      ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued)
      (MAX225, VCC = +5.0V ±5%; MAX244–MAX249, VCC = +5.0V ±10%, external capacitors C1–C4 = 1F; TA = TMIN to TMAX; unless
      otherwise noted.) (Note 7)
      Maxim Integrated
      9
      MAX220–MAX249
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      相關(guān)代理商/技術(shù)參數(shù)
      參數(shù)描述
      MAX225EWI+ 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:5V-Powered, Multichannel RS-232 Drivers/Receivers
      MAX225EWI+G36 功能描述:RS-232接口集成電路 5V MultiCh RS-232 Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
      MAX225EWI+T 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
      MAX225EWI+TG36 功能描述:RS-232接口集成電路 5V MultiCh RS-232 Driver/Receiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
      MAX225EWI-T 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: