CH340C vs CH340N Comparación
Comparación detallada lado a lado de CH340C por NI y CH340N por WCH. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Comparación de especificaciones
| Parámetro | CH340C | CH340N |
|---|---|---|
| Marca | NI | WCH |
| Categoría | Interface ICs | Interface ICs |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $0,34 | $0,37 |
| Product Type | USB to UART Bridge Controller IC | — |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | USB 2.0 Full-Speed (12 Mbps) |
| Tensión de alimentación | 3.3 V or 5 V (mode selected by V3 pin) | — |
| Temperatura de funcionamiento | -20 C to +70 C | -20 °C to +70 °C |
| Maximum Baud Rate | 2 Mbps | 2 Mbps |
| Suspend Current | 50 uA (typical) | — |
| Active Supply Current | 7 mA (typical, full-speed traffic) | — |
| On-Chip Oscillator | Yes - 12 MHz internal (no external crystal required) | — |
| UART Signals | TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI | — |
| Encapsulado | SOP-16 | SOP-8 |
| Tipo de montaje | Surface Mount | Surface Mount |
| Nivel MSL | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| Estado RoHS | Compliant | Compliant |
| Driver Support | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS | Windows, macOS, Linux (CDC-ACM or vendor INF) |
| Manufacturer | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) | WCH (Nanjing Qinheng Microelectronics Co., Ltd.) |
| Función | — | USB 2.0 to UART serial bridge |
| Supply Voltage (VCC) | — | 3.3 V or 5 V |
| Internal 3.3 V LDO Output (V3) | — | ~50 mA available for external load |
| UART Logic Levels | — | 3.3 V or 5 V (matches VCC) |
| Supported Baud Rates | — | 50 bps to 2 Mbps |
| MODEM Signals | — | RTS, CTS supported |
| External Crystal | — | 12 MHz |