Texas Instruments THVD15xx RS-485/RS-422收发器
Texas Instruments THVD15xx RS-485/RS-422收发器具有防噪特性，设计用于在恶劣的工业环境下工作。这些器件的总线引脚可耐受高级别的IEC电气快速瞬变 (EFT) 和IEC静电放电 (ESD) 事件，因此无需使用其他系统级保护元件。THVD15xx器件由5V单电源供电。这些器件具有较宽的共模电压范围，因此适合用于长电缆传输中的多点应用。
特性
- Meets or exceeds the requirements of the TIA/EIA-485A standard
- 4.5V to 5.5V supply voltage
- Integrated Bus I/O protection
- ±30kV HBM ESD
- ±18kV IEC 61000-4-2 ESD contact discharge
- ±25kV IEC 61000-4-2 ESD air-gap discharge
- ±4kV IEC 61000-4-4 Electrical Fast Transient
- Extended operational common-mode: ±15V
- Low EMI 500kbps and 50Mbps data rates
- Extended temperature range: -40°C to 125°C
- Large receiver hysteresis for noise rejection
- Low power consumption:
- Low standby supply current: < 1µA
- Current during operation: < 1mA
- Glitch-free power-Up/Down for hot plug-in capability
- Open, Short, and Idle Bus Failsafe
- 1/8 unit load options (Up to 256 Bus Nodes)
- Small-size VSSOP packages save board space or SOIC for drop-in compatibility
