MAX485ESA+ vs ST485CDR 对比
详细并排对比 MAX485ESA+ 出自 Analog Devices 和 ST485CDR 出自 STMicroelectronics。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。
STMicroelectronics
ST485CDR - 2.5Mbps Low-Power RS-485/RS-422 Transceiver SOIC-8 | ST
ST485CDR ✓ 量产中规格对比
| 参数 | MAX485ESA+ | ST485CDR |
|---|---|---|
| 品牌 | Analog Devices | STMicroelectronics |
| 分类 | Interface ICs | Interface ICs |
| 生命周期状态 | 有效 | 有效 |
| 功能 | Transceiver | Transceiver |
| Protocol | RS-422, RS-485 | RS-422, RS-485 |
| Number of Drivers/Receivers | 1/1 | 1/1 |
| Duplex | Half | Half |
| 电源电压 | 4.75 V to 5.25 V (5 V nominal) | 4.75 V to 5.25 V |
| 数据速率 | 2.5 Mbps | 2.5 Mbps |
| Supply Current (unloaded) | 120 µA to 500 µA | — |
| Receiver Hysteresis | 70 mV (typ) | — |
| Common-Mode Input Range | -7 V to +12 V | — |
| Differential Input Threshold (V_TH) | -0.2 V min / +0.2 V max | — |
| ESD Protection (HBM, driver output) | ±15 kV (per datasheet) | — |
| Unit Load | 1/8 (up to 256 transceivers on bus) | — |
| 工作温度 | -40 °C to +85 °C | 0C to +70C (C grade) |
| 封装 | 8-SOIC (SOIC-8) | SOIC-8 |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (per Maxim/ADI datasheet suffix '+') | Compliant |
| Supply Current (unloaded, drivers disabled) | — | 300 uA typical |
| Common-Mode Range (bus pins) | — | -7 V to +12 V |
| Receiver Input Hysteresis | — | 70 mV typical |
| Driver Short-Circuit Protection | — | Yes, current-limited |
| 热关断 | — | Yes |
| ESD Protection (bus pins) | — | [DATA_NEEDED: ESD rating] |