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Maxim产品 - MAX3161介绍
MAX3161 - +3.0V至+5.5V、1µA、RS-232/RS-485/RS-422多协议收发器


MAX3161 - +3.0V至+5.5V、1µA、RS-232/RS-485/RS-422多协议收发器 - 驱动器-接收器 - 业内首款+3V、1µA多协议接口方案 - 美信半导体


The MAX3160/MAX3161/MAX3162 are programmable RS-232/RS-485/422 multiprotocol transceivers. The MAX3160/MAX3161 are pin programmable as a 2TX/2RX RS-232 interface or a single RS-485/422 transceiver. The MAX3162 is configured as a 2TX/2RX RS-232 interface and a single RS-485/422 transceiver simultaneously.

All devices incorporate a proprietary low-dropout transmitter output stage and an on-board dual charge pump to allow RS-232 and RS-485/422 compliant performance from a +3V to +5.5V supply. These devices also feature pin-selectable transmitter slew rates for both RS-232 and RS-485/422 modes. Slew-rate limiting minimizes EMI and reduces reflections caused by improperly terminated cables, allowing error-free data transmission up to 250kbps. Disabling slew-rate limiting allows these devices to transmit at data rates up to 10Mbps in RS-485/422 mode and up to 1Mbps in RS-232 mode.

The MAX3160/MAX3162 offer a flow-through pinout that facilitates board layout. The MAX3160/MAX3161/MAX3162 are available in tiny SSOP packages and operate from -40°C to +85°C.

  • 以下关键特性由Maxim美信半导体提供:
  • Flexible Options for RS-232 and RS-422/485 Operation in One Package
  • Simultaneous 2TX/2RX RS-232 and Half-Duplex
  • RS-485 Transceiver Operation (MAX3162)
  • Pin-Programmable as Either 2TX/2RX RS-232 orHalf/Full RS-485 Transceiver (MAX3160, MAX3161)
  • Integrated Protection Increases Robustness
  • Transmitters and Receivers Protected AgainstWiring Faults
  • True Fail-Safe Receiver Prevents False Transitionon Receiver Input Short or Open
  • Short-Circuit Protection Over the Entire Common-Mode Voltage Range
  • Thermal Protection from Excessive PowerDissipation
  • Slew Rate Limiting Minimizes EM and ReducesCable Reflections
  • Integrated Charge-Pump Circuitry Saves Board Space
  • Eliminates the Need for a Bipolar ±12V Supply
  • Enables Single-Supply Operation From +3V to+5.5V Voltage Supply
  • 1µA Shutdown Supply Current Saves Power
  • Allows Up to 256 Transceivers on the Bus
  • 热门应用
  • 工业控制
  • 网络
  • 外设
  • 销售终端机(POS)装置
  • RS-232至RS-485接口转换器
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