THVD1552DR vs THVD1452DR 对比
详细并排对比 THVD1552DR 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 | THVD1552DR | 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） | $1.15 | $0.54 |
| Type | Transceiver | — |
| Protocol | RS-485 / RS-422 | RS-422 / RS-485 |
| Number of Drivers/Receivers | 1 / 1 | 1/1 |
| Duplex | Full | — |
| Supply Voltage (VCC) | 3 V to 5.5 V | 3.0 V to 5.5 V |
| Signaling Rate (max) | 50 Mbps | — |
| Bus-Pin ESD Protection (HBM) | ±18 kV (IEC 61000-4-2 contact/air) | — |
| IEC EFT Immunity | ±4 kV (IEC 61000-4-4 fast transient) | — |
| Receiver Fail-Safe | Yes (open, short, idle bus to logic-high) | — |
| Unit Load | 1/8 unit load (up to 256 nodes per bus) | — |
| 工作温度范围 | -40 °C to +125 °C | — |
| 封装 | 14-SOIC (D), 3.90 mm width | SOIC-14 (D) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | MSL1-260C-UNLIM (per PartGenie) | 1 (per TI product page) |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes (TI product page) | — |
| 功能 | — | 1/1 Transceiver, full-duplex |
| Maximum Data Rate | — | 50 Mbps |
| IEC ESD Protection (Bus Pins) | — | ±18 kV air-gap (IEC 61000-4-2); ±8 kV contact |
| HBM ESD Protection | — | ±16 kV (all pins, HBM) |
| Common-Mode Voltage Range | — | -7 V to +12 V |
| 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] |
| 工作温度 | — | -40°C to +125°C |
| Lead-free / Halogen-free | — | Yes / Yes |
| AEC-Q100 Automotive | — | Not applicable (no -Q1 suffix) |