THVD1451DRBR vs THVD1450DRBR 对比
详细并排对比 THVD1451DRBR 出自 Texas Instruments 和 THVD1450DRBR 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 | THVD1451DRBR | THVD1450DRBR |
|---|---|---|
| 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） | $0.85 | $1.25 |
| 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 | — |
| 封装 | VSON-8 (DRB) 3x3 mm with exposed thermal pad | 8-VSON EP (DRB) 3x3 mm |
| 安装类型 | Surface Mount | Surface Mount, wettable flank |
| MSL Moisture Sensitivity | MSL 1 | — |
| RoHS 状态 | Compliant | Compliant |
| 引脚数 | 8 | — |
| Duplex | Half-Duplex | — |
| 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 |
| Moisture Sensitivity Level | — | MSL 1 |
| Duplex Mode | — | Half |