产品概览
The ADM3483ARZ is a 3.3V low-power RS-485/RS-422 transceiver from Analog Devices with one driver and one receiver, ±15kV ESD protection, half-duplex operation, and 250 kbps data rate in an 8-pin SOIC package.
主要规格
| 配置 | 1 Driver / 1 Receiver (Half-Duplex) |
| Protocol | RS-485 / RS-422 |
| 数据速率 | 250 kbps |
| 电源电压 | 3.3 V (single supply) |
| ESD Protection | ±15 kV HBM on bus pins |
| Driver Output Current | ±60 mA |
| Receiver Input Impedance | 96 kΩ (1/4 unit load) |
| Common-Mode Range | -7 V to +12 V |
| 静态电流 | 2.0 mA max |
| 关机电流 | 1 nA typ |
| 工作温度 | -40°C to +85°C |
| 包装 | SOIC-8 (R) |
特点
- 3.3V single supply operation
- ±15 kV ESD protection on bus pins
- 1/4 unit load allows 128 devices on bus
- Half-duplex with driver/receiver enable
- Low power: 2 mA quiescent, 1 nA shutdown
- Fail-safe receiver (open-circuit = logic high)
- Slew-rate limited for error-free 250 kbps transmission
- Current limiting and thermal shutdown on driver
应用
- Industrial RS-485 networks
- Building automation (BACnet)
- Utility metering networks
- Level translators for RS-485 buses
- Half-duplex communication links