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MAX3223的基本参数
  • 制造厂商:TI
  • 产品类别:接口
  • 技术类目:RS-232 收发器
  • 功能描述:具有 +/-15kV ESD 保护的 3V 至 5.5V 双通道 250kbps RS-232 线路驱动器/接收器
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MAX3223的产品详情:

The MAX3223 consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The device operates at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs driver output slew rate.

Flexible control options for power management are available when the serial port is inactive. The auto-powerdown feature functions when FORCEON is low and FORCEOFF\ is high. During this mode of operation, if the device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF\ is set low and EN\ is high, both drivers and receivers are shut off, and the supply current is reduced to 1 µA. Disconnecting the serial port or turning off the peripheral drivers causes auto-powerdown to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF\ are high. With auto-powerdown enabled, the device is activated automatically when a valid signal is applied to any receiver input. The INVALID\ output is used to notify the user if an RS-232 signal is present at any receiver input. INVALID\ is high (valid data) if any receiver input voltage is greater than 2.7 V or less than –2.7 V or has been between –0.3 V and 0.3 V for less than 30 µs. INVALID\ is low (invalid data) if the receiver input voltage is between –0.3 V and 0.3 V for more than 30 µs. Refer to Figure 4 for receiver input levels.

MAX3223的优势和特性:
  • RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM)
  • Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
  • Operates With 3-V to 5.5-V VCC Supply
  • Operates up to 250 kbit/s
  • Two Drivers and Two Receivers
  • Low Standby Current ...1 μA Typical
  • External Capacitors ...4 × 0.1 μF
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Alternative High-Speed Pin-Compatible Device (1 Mbit/s)
    • SNx5C3223
  • Applications
    • Battery-Powered Systems, PDAs, Notebooks, Laptops, Palmtop PCs, and Hand-Held Equipment

MAX3223的参数(英文):
  • Drivers per package
  • 2
  • Receivers per package
  • 2
  • Logic voltage (Min) (V)
  • 3.3
  • Data rate (Max) (kbps)
  • 250
  • Main supply voltage (Nom) (V)
  • 3.3, 5
  • Features
  • Auto-Powerdown
  • ESD HBM (kV)
  • 15
  • Rating
  • Catalog
  • Operating temperature range (C)
  • -40 to 85, 0 to 70
  • Vout (Typ) (V)
  • 5.4
MAX3223具体的完整产品型号参数及价格(美元):

MAX3223的完整型号有:MAX3223CDB、MAX3223CDBR、MAX3223CDW、MAX3223CDWR、MAX3223CPW、MAX3223CPWR、MAX3223IDB、MAX3223IDBR、MAX3223IDW、MAX3223IDWR、MAX3223IPW、MAX3223IPWR,以下是这些产品的关键参数及官网采购报价:

MAX3223CDB,工作温度:0 to 70,封装:SSOP (DB)-20,包装数量MPQ:70个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223CDB的批量USD价格:.912(1000+)

MAX3223CDBR,工作温度:0 to 70,封装:SSOP (DB)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223CDBR的批量USD价格:.773(1000+)

MAX3223CDW,工作温度:0 to 70,封装:SOIC (DW)-20,包装数量MPQ:25个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223CDW的批量USD价格:.835(1000+)

MAX3223CDWR,工作温度:0 to 70,封装:SOIC (DW)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223CDWR的批量USD价格:.696(1000+)

MAX3223CPW,工作温度:0 to 70,封装:TSSOP (PW)-20,包装数量MPQ:70个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223CPW的批量USD价格:.835(1000+)

MAX3223CPWR,工作温度:0 to 70,封装:TSSOP (PW)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223CPWR的批量USD价格:.696(1000+)

MAX3223IDB,工作温度:-40 to 85,封装:SSOP (DB)-20,包装数量MPQ:70个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223IDB的批量USD价格:.981(1000+)

MAX3223IDBR,工作温度:-40 to 85,封装:SSOP (DB)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223IDBR的批量USD价格:.842(1000+)

MAX3223IDW,工作温度:-40 to 85,封装:SOIC (DW)-20,包装数量MPQ:25个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223IDW的批量USD价格:.905(1000+)

MAX3223IDWR,工作温度:-40 to 85,封装:SOIC (DW)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223IDWR的批量USD价格:.766(1000+)

MAX3223IPW,工作温度:-40 to 85,封装:TSSOP (PW)-20,包装数量MPQ:70个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223IPW的批量USD价格:.905(1000+)

MAX3223IPWR,工作温度:-40 to 85,封装:TSSOP (PW)-20,包装数量MPQ:2000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网MAX3223IPWR的批量USD价格:.766(1000+)

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