THVD1450DRBR vs ISO1450BDWR 对比
详细并排对比 THVD1450DRBR 出自 Texas Instruments 和 ISO1450BDWR 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Texas Instruments
ISO1450BDWR - 50Mbps 5kVrms Isolated RS-485/RS-422 Transceiver | Texas Instruments
ISO1450BDWR ✓ 量产中规格对比
| 参数 | THVD1450DRBR | ISO1450BDWR |
|---|---|---|
| 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 | $2.95 |
| 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 | Wide common-mode bus voltage range (per datasheet) |
| Receiver Hysteresis | 30 mV | [DATA_NEEDED: receiver hysteresis voltage] |
| Receiver Fail-Safe | Internal biasing (idle/short/open = logic high) | — |
| Unit Load | 1 UL (32 nodes on bus) | 1/8 (up to 256 nodes on bus) |
| 工作温度 | -40°C to +125°C | -40C to +125C |
| 封装 | 8-VSON EP (DRB) 3x3 mm | SOIC-16 wide-body (DW), 16 pins |
| 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 | — | Isolated half-duplex RS-485 / RS-422 transceiver |
| Data Rate (max) | — | 50 Mbps |
| Isolation Voltage (rms) | — | 5 kVrms (reinforced) |
| Number of Drivers / Receivers | — | 1/1 |
| Duplex | — | Half |
| Supply Voltage VCC1 (logic side) | — | 3 V to 5.5 V |
| Supply Voltage VCC2 (bus side) | — | Internally generated by isolated DC-DC |
| Bus Pin ESD (IEC 61000-4-2) | — | ±16 kV (air / contact, per datasheet) |
| Bus Pin ESD (HBM) | — | ±4 kV |
| IEC 61000-4-4 EFT Immunity | — | ±4 kV |
| Surge Immunity | — | [DATA_NEEDED: IEC 61000-4-5 surge rating] |
| 热关断 | — | Yes |
| Current Limiting | — | Yes |
| Low-Power Standby | — | Yes |
| MSL 等级 | — | 3 (per JEDEC J-STD-020) |
| Compliance Standards | — | TIA/EIA-485-A, TIA/EIA-422, IEC 61000-4-2, IEC 61000-4-4 |