THVD1452D vs THVD1452DR 对比
详细并排对比 THVD1452D 出自 Texas Instruments 和 THVD1452DR 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。
规格对比
| 参数 | THVD1452D | THVD1452DR |
|---|---|---|
| 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） | $1.21 | $0.54 |
| Protocol | RS-485 | RS-422 / RS-485 |
| Number of Drivers/Receivers | 1/1 (Full-duplex) | 1/1 |
| Supply Voltage (VCC) | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| 数据速率 | [DATA_NEEDED: maximum signaling rate in Mbps] | — |
| IEC ESD Protection (Bus Pins) | ±18 kV (IEC 61000-4-2 air discharge) | ±18 kV air-gap (IEC 61000-4-2); ±8 kV contact |
| HBM ESD Protection | ±16 kV | ±16 kV (all pins, HBM) |
| Contact Discharge ESD | ±6 kV | — |
| IEC EFT Protection | Per IEC 61000-4-4 | — |
| Receiver Input Impedance | 1/8 unit load (≥ 96 kΩ) | — |
| Maximum Bus Nodes | 256 | — |
| Common-Mode Voltage Range | ±25 V | -7 V to +12 V |
| Fail-Safe Receiver | Yes (open, short, idle-bus) | — |
| 工作温度 | -40 °C to +125 °C | -40°C to +125°C |
| 封装 | 14-pin SOIC (D) | SOIC-14 (D) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| 热关断 | Yes (with auto recovery) | — |
| 功能 | — | 1/1 Transceiver, full-duplex |
| Maximum Data Rate | — | 50 Mbps |
| Bus Unit Load | — | 1/8 UL (up to 256 nodes) |
| Receiver Fail-safe | — | True fail-safe (idle/short/open = logic high) |
| Quiescent Current (no load) | — | [DATA_NEEDED: Iq value] |
| MSL 等级 | — | 1 (per TI product page) |
| Lead-free / Halogen-free | — | Yes / Yes |
| AEC-Q100 Automotive | — | Not applicable (no -Q1 suffix) |