CH340G vs CH340N Vergleich
Detaillierter Direktvergleich von CH340G von WCH und CH340N von WCH. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Spezifikationsvergleich
| Parameter | CH340G | CH340N |
|---|---|---|
| Marke | WCH | WCH |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Aktiv | Aktiv |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (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 | — |
| Betriebstemperatur | -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 | — |
| Gehäuse | SOP-16 (SOIC-16, 150 mil) | SOP-8 |
| Montageart | Surface Mount | Surface Mount |
| RS-232 Assistant Mode | Yes (R232 pin enables internal inverter) | — |
| RoHS-Status | Compliant | Compliant |
| Funktion | — | 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) |