Maxim(美信半导体)| Maxim产品型号搜索
当前位置:美信半导体 > > 美信芯片 >> MAX3248E
MAX3248E - 典型电路框图:
Maxim产品 - MAX3248E介绍
MAX3248E - +3.0V至+5.5V、10nA、250kbps RS-232收发器,带有±15kV ESD保护、输入/输出和逻辑引脚

MAX3248E是Maxim美信半导体公司的一款驱动器-接收器产品,MAX3248E是+3.0V至+5.5V、10nA、250kbps RS-232收发器,带有±15kV ESD保护、输入/输出和逻辑引脚,本站介绍了MAX3248E的封装应用图解、特点和优点、功能等,并给出了与MAX3248E相关的Maxim元器件型号供参考。

MAX3248E - +3.0V至+5.5V、10nA、250kbps RS-232收发器,带有±15kV ESD保护、输入/输出和逻辑引脚 - 驱动器-接收器 - Maxim美信半导体高性能芯片品质 - 美信半导体


The MAX3238E/MAX3248E transceivers use Maxim's revolutionary AutoShutdown Plus™ feature to achieve 10nA supply current. These devices shut down the on-board power supply and drivers when they do not sense a valid signal transition on either the receiver or transmitter inputs. This occurs if the RS-232 cable is disconnected or if the transmitters of the connected peripheral are turned off. The devices turn on again when a valid transition is applied to any RS-232 receiver or transmitter input. AutoShutdown Plus automatically achieves this power savings through its on-board circuitry, as no changes are required to the existing BIOS or operating system.

All RS-232 inputs and outputs, as well as the logic I/O pins, have enhanced ESD protection to ±15kV. The additional ESD protection on the logic I/O pins makes the MAX3238E/MAX3248E ideal for cell phone data cable applications because it eliminates the need for costly external TransZorb™ or protection schemes.

The MAX3238E/MAX3248E contain five drivers and three receivers and are 3V-powered EIA/TIA-232 and V.28/V.24 communication interfaces intended for cell phones, data cables, and modem applications. A proprietary, high-efficiency, dual charge-pump power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V to +5.5V supply. A guaranteed data rate of 250kbps provides compatibility with popular software for communicating with personal computers.

The MAX3238E and the MAX3248E differ only in their input logic thresholds. The MAX3238E has standard logic thresholds, while the MAX3248E has low-level logic thresholds of 0.6V to 1.2V, which are ideal for 1.8V systems.

The transmitter inputs, FORCEON, and active-low FORCEOFF have a 400 kilohms active positive feedback resistor. Once driven to a valid logic level, they will retain this level if the driving signal is removed or goes high impedance. Unused transmitter and logic inputs may be left unconnected. The MAX3238E/MAX3248E can operate with supply voltages ranging from +3.0V to +5.5V.

  • 以下关键特性由Maxim美信半导体提供:
  • Enhanced ESD Protection on RS-232 I/O Pins and All Logic Pins
  • ±15kV—Human Body Model
  • ±8kV—IEC 1000-4-2 Contact Discharge
  • ±15kV—IEC 1000-4-2 Air-Gap Discharge
  • Guaranteed Data Rate: 250kbps
  • 10nA Low-Power Shutdown with Receivers Active
  • Schmitt Triggers on All Inputs
  • Flow-Through Pinout
  • Meets EIA/TIA-232 Specifications Down to 3.0V
  • Guaranteed 6V/µs Slew Rate
  • Low-Level Logic Thresholds (MAX3248E)
  • RS-232-Compatible Outputs to 2.7V
  • 热门应用
  • 电池供电应用
  • 蜂窝数据电缆
  • 数据托架
  • 调制解调器
  • 外设
  • 打印机
  • 下面可能是您感兴趣的美信半导体公司驱动器-接收器元器件
  • MAX13038 - 汽车触点监测器和电平转换器,内置LDO稳压器
  • MAX1846 - 高效率、电流模式、反相PWM控制器
  • MAX6615 - 双通道温度监测器与风扇速度控制器,带有温度调节输入
  • MAX6634 - 12位 + 符号位温度传感器,带有SMBus/I²C兼容串行接口
  • MAX6894 - 引脚可设置八/六/四路电源排序器/监控器
  • DS28E01-100 - 1Kb、保护型1-Wire EEPROM,带有SHA-1引擎
  • MAX6737 - 低功耗、双/三电压、SC70封装的微处理器监控电路
  • MAX1064 - 400ksps、+5V、8/4通道、10位ADC,带有+2.5V电压基准及并行接口
  • MAX13030E - 6通道、高速逻辑电平转换器
  • MAX14921 - 高精度12/16节电池测量AFE
  • 节约时间成本,提高采购效率,Maxim官网授权代理
    寻找全球Maxim代理商现货货源 - Maxim公司(美信半导体)电子元件在线订购