CH340G vs CH340N Сравнение
Подробное сравнение бок о бок CH340G от WCH и CH340N от WCH. Сравните ключевые характеристики, электрические параметры, упаковку, статус жизненного цикла, цены и наличие, чтобы выбрать лучший компонент для ваших требований.
Сравнение характеристик
| Параметр | CH340G | CH340N |
|---|---|---|
| Бренд | WCH | WCH |
| Категория | Interface ICs | Interface ICs |
| Статус жизненного цикла | Активен | Активен |
| Наличие | In Stock | In Stock |
| Цена за единицу (USD) | $0,31 | $0,37 |
| Product Type | USB to UART Bridge Controller | — |
| Manufacturer | WCH (Nanjing Qinheng Microelectronics) | WCH (Nanjing Qinheng Microelectronics Co., Ltd.) |
| USB Specification | USB 2.0 Full-Speed (12 Mbps) | — |
| Supply Voltage (VCC) | 3.3 V to 5 V | 3.3 V or 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 | — |
| Рабочая температура | -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 | — |
| Корпус | SOP-16 (SOIC-16, 150 mil) | SOP-8 |
| Тип монтажа | Surface Mount | Surface Mount |
| RS-232 Assistant Mode | Yes (R232 pin enables internal inverter) | — |
| Статус RoHS | Compliant | Compliant |
| Функция | — | USB 2.0 to UART serial bridge |
| USB Standard | — | USB 2.0 Full-Speed (12 Mbps) |
| Internal 3.3 V LDO Output (V3) | — | ~50 mA available for external load |
| UART Logic Levels | — | 3.3 V or 5 V (matches VCC) |
| Maximum Baud Rate | — | 2 Mbps |
| Supported Baud Rates | — | 50 bps to 2 Mbps |
| MODEM Signals | — | RTS, CTS supported |
| External Crystal | — | 12 MHz |
| Driver Support | — | Windows, macOS, Linux (CDC-ACM or vendor INF) |