距离远
功耗低
高性价比
发射芯片
Sub-1G芯片无线发射芯片是一种工作在1G以下频段的射频集成电路,该芯片通常工作在433M/315M等ISM开放频段,采用OOK/ASK调制技术,主要用于远程无钥匙进入系统、遥控器、智能家居控制、安防系统和无线传感器等短距离无线控制领域。
| 类型 | 芯片型号 | 封装 | 内置编码 | 工作频率(典型) | 发射功率 | 工作电压 | 文档下载 |
|---|---|---|---|---|---|---|---|
| ASK发射 | WS4455 | SOT23-6 | / | 433/315MHz | ≤12dBm | 1.8-5V | |
| WS4455C | SOT23-6 | / | 433/315MHz | ≤16dBm | 1.8-5V | ||
| WS119C | SOT23-6 | / | 433/315MHz | ≤16dBm | 1.8-5V | ||
| 编码发射 | WS4460 | SOP8 | 1527编码 | 433/315MHz | ≤17dBm | 1.8-5V |
接收芯片
ASK 接收芯片是一类用于解调 ASK/OOK(通-断键控)射频信号的集成电路,广泛应用于 315MHz/433MHz/868MHz 等 ISM 频段的无线遥控、门禁、安防及物联网设备。
| 特性 | 名称 | 封装 | 调制 | 接收灵敏度 | 功耗 | 速率 | 工作电压 | 文档下载 |
|---|---|---|---|---|---|---|---|---|
| 低成本 | WS490H | SOP8 | OOK | ●-109dBm@315M ●-109dBm@433.92M | ●3.0mA/3.3V@315M ●3.1mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤8Kbps | 2.0-5.5V | |
| WS499H | SOT23-6 | OOK | ●-109dBm@315M ●-109dBm@433.92M | ●2.8mA/3.3V@315M ●2.9mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤8Kbps | 2.0-5.5V | ||
| 高灵敏度 | WS480L | SOP8 | OOK | ●-113dBm@315M ●-113dBm@433.92M | ●3.4mA/3.3V@315M ●3.8mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤10Kbps | 2.0-5.5V | |
| WS480X | SOP8 | OOK | ●-114dBm@315M ●-115dBm@433.92M | ●3.4mA/3.3V@315M ●3.8mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤10Kbps | 2.0-5.5V | ||
| WS531 | SOP8 | OOK | ●-113dBm@315M ●-113dBm@433.92M | ●5mA/3.3V@315M ●5mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤10Kbps | 2.0-5.5V | ||
| 高性能 | WS470L | SOP16 | OOK | ●-113dBm@315M ●-113dBm@433.92M | ●3.4mA/3.3V@315M ●3.8mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤10Kbps | 2.0-5.5V | |
| WS580 | SOP8 | OOK | ●-115dBm@315M ●-115dBm@433.92M | ●4.6mA/3.3V@315M ●5.4mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤10Kbps | 2.0-5.5V | ||
| WS18210 | SOP16 | OOK | ●-115dBm@315M ●-115dBm@433.92M | ●4.58mA/3.3V@315M ●5.38mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤19Kbps | 1.8-5.5V | ||
| WS18211 | SSOP16 | OOK | ●-115dBm@315M ●-115dBm@433.92M | ●4.58mA/3.3V@315M ●5.38mA/3.3V@433.92M ●0.01uA/3.3V Shut Down | ≤19Kbps | 1.8-5.5V |