THVD1450DRBR vs THVD1451DRBR 对比
详细并排对比 THVD1450DRBR 出自 Texas Instruments 和 THVD1451DRBR 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Texas Instruments
THVD1450DRBR - 3.3-5V RS-485 Transceiver, ±18kV ESD, 50Mbps | TI
THVD1450DRBR ✓ 量产中
规格对比
| 参数 | THVD1450DRBR | THVD1451DRBR |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.25 | $0.85 |
| Product Type | RS-485/RS-422 Transceiver (half-duplex) | — |
| Number of Drivers/Receivers | 1/1 | — |
| Supply Voltage (VCC) | 3 V to 5.5 V | — |
| Maximum Data Rate | 50 Mbps | — |
| ESD Protection (Bus Pins) | ±18 kV IEC 61000-4-2 contact/air | — |
| EFT Immunity | ±4 kV IEC 61000-4-4 | — |
| Common-Mode Range | -7 V to +12 V | — |
| Receiver Hysteresis | 30 mV | — |
| Receiver Fail-Safe | Internal biasing (idle/short/open = logic high) | — |
| Unit Load | 1 UL (32 nodes on bus) | — |
| 工作温度 | -40°C to +125°C | — |
| 封装 | 8-VSON EP (DRB) 3x3 mm | VSON-8 (DRB) 3x3 mm with exposed thermal pad |
| 安装类型 | Surface Mount, wettable flank | Surface Mount |
| Moisture Sensitivity Level | MSL 1 | — |
| RoHS 状态 | Compliant | Compliant |
| Duplex Mode | Half | — |
| 功能 | — | RS-485 transceiver (1 driver / 1 receiver) |
| Protocol | — | RS-485 / RS-422 |
| Supply Voltage Range | — | 3.0 V to 5.5 V |
| 工作温度范围 | — | -40 °C to +125 °C |
| Signaling Rate (Maximum) | — | 50 Mbps |
| Number of Nodes on Bus | — | Up to 256 (1/8 unit load) |
| IEC 61000-4-2 Contact Discharge ESD | — | ±18 kV (bus pins) |
| IEC 61000-4-2 Air-Gap Discharge ESD | — | ±8 kV (bus pins) |
| IEC 61000-4-4 EFT | — | ±4 kV |
| Common-Mode Voltage Range | — | -7 V to +12 V |
| Receiver Input Hysteresis | — | 30 mV (typical) |
| Standby / Shutdown Current | — | < 5 µA |
| MSL Moisture Sensitivity | — | MSL 1 |
| 引脚数 | — | 8 |
| Duplex | — | Half-Duplex |