CH340G vs CH340C Comparación
Comparación detallada lado a lado de CH340G por WCH y CH340C por NI. 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 | CH340G | CH340C |
|---|---|---|
| Marca | WCH | NI |
| Categoría | Interface ICs | Interface ICs |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $0,31 | $0,34 |
| Product Type | USB to UART Bridge Controller | USB to UART Bridge Controller IC |
| Manufacturer | WCH (Nanjing Qinheng Microelectronics) | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) |
| 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 | TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI |
| Clock Source | External 12 MHz crystal required | — |
| Temperatura de funcionamiento | -40 C to +85 C | -20 C to +70 C |
| 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 | — |
| Encapsulado | SOP-16 (SOIC-16, 150 mil) | SOP-16 |
| Tipo de montaje | Surface Mount | Surface Mount |
| RS-232 Assistant Mode | Yes (R232 pin enables internal inverter) | — |
| Estado RoHS | Compliant | Compliant |
| USB Standard | — | USB 2.0 Full-Speed (12 Mbps) |
| Tensión de alimentación | — | 3.3 V or 5 V (mode selected by V3 pin) |
| Maximum Baud Rate | — | 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) |
| Nivel MSL | — | [DATA_NEEDED: MSL moisture sensitivity level] |
| Driver Support | — | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS |