CH340G vs CP2104-MINIEK 对比
详细并排对比 CH340G 出自 WCH 和 CP2104-MINIEK 出自 Silicon Labs。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 | CH340G | CP2104-MINIEK |
|---|---|---|
| 品牌 | WCH | Silicon Labs |
| 分类 | Interface ICs | Development Boards |
| 生命周期状态 | 有效 | 有效 |
| Product Type | USB to UART Bridge Controller | USB-to-UART Bridge Mini Evaluation Kit |
| Manufacturer | WCH (Nanjing Qinheng Microelectronics) | — |
| USB Specification | USB 2.0 Full-Speed (12 Mbps) | — |
| Supply Voltage (VCC) | 3.3 V to 5 V | — |
| IO Logic Level | 3.3 V or 5 V (matches VCC) | — |
| Operating Baud Rate | 50 bps to 2 Mbps | — |
| UART Signals | TXD, RXD, CTS, RTS, DTR, DSR, DCD, RI | — |
| Clock Source | External 12 MHz crystal required | — |
| 工作温度 | -40 C to +85 C | -40C to +85C |
| Storage Temperature | -40 C to +125 C | — |
| Maximum VCC | 6.5 V (absolute max) | — |
| IO Pin Voltage Range | -0.5 V to VCC + 0.5 V | — |
| 封装 | SOP-16 (SOIC-16, 150 mil) | — |
| 安装类型 | Surface Mount | — |
| RS-232 Assistant Mode | Yes (R232 pin enables internal inverter) | — |
| RoHS 状态 | Compliant | Compliant |
| Base IC | — | CP2104 |
| 功能 | — | USB 2.0 to UART Bridge |
| USB Compliance | — | USB 2.0 Full-Speed (12 Mbps) |
| UART Data Rates | — | 300 bps to 2 Mbps |
| IC Package | — | QFN-24 (4x4 mm) |
| Integrated Features | — | USB transceiver, internal oscillator, 3.3 V LDO, OTP ROM |
| Supply Voltage (VBUS) | — | 5 V from USB |
| Integrated LDO Output | — | 3.3 V, up to 100 mA |
| GPIO | — | 4 configurable GPIO pins |
| Modem Control Signals | — | RTS, CTS, DTR, DSR, DCD, RI |
| Data Bits | — | 5, 6, 7, 8 |
| Stop Bits | — | 1, 1.5, 2 |
| Parity | — | None, Odd, Even, Mark, Space |
| Flow Control | — | Hardware (RTS/CTS) and Software (XON/XOFF) |
| MSL 等级 | — | [DATA_NEEDED: MSL moisture sensitivity level] |
| Country of Origin | — | [DATA_NEEDED: country of origin] |
| Tariff / HTSUS Code | — | [DATA_NEEDED: HTSUS code] |