Analog Devices / Maxim Integrated 美信 MAX3280E/MAX3281E/MAX3283E/MAX3284E 52Mbps 真正防故障接收机
美信 MAX3280E/MAX3281E/MAX3283E/MAX3284E 52Mbps 真正防故障接收机是用于 RS-485 和 RS-422 通信的单通道接收机。这些器件在 3V 电源供电下仍可确保数据速率高达 52Mbps。这些器件具有出色的时延(最大 15ns)和封装至封装传输斜移(最大 8ns),因而是多支路时钟分布应用的理想选择。MAX3280E/MAX3281E/MAX3283E/MAX3284E 具有真失效保护电路,可保证在接收器输入为开路或短路时,接收器输出为逻辑高电平。终端总线上所有传送机禁用时,接收机将输出逻辑高电平。这些器件具有 1/4 单位荷载接收机输入阻抗,在同一根总线上最多可以有 128 个接收机。特性
- ESD protection
- ±15kV-Human Body Model
- ±6kV-IEC 1000-4-2, contact discharge
- ±12kV-IEC 1000-4-2, air-gap discharge
- Guaranteed 52Mbps data rate
- Guaranteed 15ns receiver propagation delay
- Guaranteed 2ns receiver skew
- Guaranteed 8ns package-to-package skew time
- VL pin for connection to FPGAs/ASICs
- Allow up to 128 transceivers on the bus (1/4-unit-load)
- Tiny SOT23 package
- True fail-safe receiver
- -7V to +12V common-mode range
- 3V to 5.5V power-supply range
- Enable (High and Low) pins for redundant operation
- Three-state output stage (MAX3281E/MAX3283E)
- Thermal protection against output short circuit
应用
- Clock/data distribution
- Industrial controls
- Local Area Networks (LANs)
- Telecom racks
- Wireless base stations
Typical Operating Circuit
发布日期: 2015-10-07
| 更新日期: 2025-08-21
