THVD1452DR vs THVD1552DR 对比
详细并排对比 THVD1452DR 出自 Texas Instruments 和 THVD1552DR 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 | THVD1452DR | THVD1552DR |
|---|---|---|
| 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） | $0.54 | $1.15 |
| Protocol | RS-422 / RS-485 | RS-485 / RS-422 |
| 功能 | 1/1 Transceiver, full-duplex | — |
| Number of Drivers/Receivers | 1/1 | 1 / 1 |
| Supply Voltage (VCC) | 3.0 V to 5.5 V | 3 V to 5.5 V |
| 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 | — |
| 封装 | SOIC-14 (D) | 14-SOIC (D), 3.90 mm width |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | 1 (per TI product page) | MSL1-260C-UNLIM (per PartGenie) |
| RoHS 状态 | Compliant | Compliant |
| Lead-free / Halogen-free | Yes / Yes | — |
| AEC-Q100 Automotive | Not applicable (no -Q1 suffix) | — |
| Type | — | Transceiver |
| Duplex | — | Full |
| 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 |
| Lead-Free / Halogen-Free | — | Yes (TI product page) |