ST485CDR vs MAX485ESA+ 对比
详细并排对比 ST485CDR 出自 STMicroelectronics 和 MAX485ESA+ 出自 Analog Devices。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 | ST485CDR | MAX485ESA+ |
|---|---|---|
| 品牌 | STMicroelectronics | Analog Devices |
| 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） | $0.71 | $0.92 |
| 功能 | Transceiver | Transceiver |
| Protocol | RS-422, RS-485 | RS-422, RS-485 |
| Number of Drivers/Receivers | 1/1 | 1/1 |
| Duplex | Half | Half |
| 数据速率 | 2.5 Mbps | 2.5 Mbps |
| 电源电压 | 4.75 V to 5.25 V | 4.75 V to 5.25 V (5 V nominal) |
| Supply Current (unloaded, drivers disabled) | 300 uA typical | — |
| Common-Mode Range (bus pins) | -7 V to +12 V | — |
| Receiver Input Hysteresis | 70 mV typical | — |
| 工作温度 | 0C to +70C (C grade) | -40 °C to +85 °C |
| 封装 | SOIC-8 | 8-SOIC (SOIC-8) |
| 安装类型 | Surface Mount | Surface Mount |
| Driver Short-Circuit Protection | Yes, current-limited | — |
| 热关断 | Yes | — |
| ESD Protection (bus pins) | [DATA_NEEDED: ESD rating] | — |
| RoHS 状态 | Compliant | Compliant (per Maxim/ADI datasheet suffix '+') |
| 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) |