CH340N vs CH340C Vergleich
Detaillierter Direktvergleich von CH340N von WCH und CH340C von NI. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Spezifikationsvergleich
| Parameter | CH340N | CH340C |
|---|---|---|
| Marke | WCH | NI |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Aktiv | Aktiv |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $0,37 | $0,34 |
| Manufacturer | WCH (Nanjing Qinheng Microelectronics Co., Ltd.) | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) |
| Funktion | USB 2.0 to UART serial bridge | — |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | USB 2.0 Full-Speed (12 Mbps) |
| 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) | — |
| Maximum Baud Rate | 2 Mbps | 2 Mbps |
| Supported Baud Rates | 50 bps to 2 Mbps | — |
| MODEM Signals | RTS, CTS supported | — |
| External Crystal | 12 MHz | — |
| Betriebstemperatur | -20 °C to +70 °C | -20 C to +70 C |
| Gehäuse | SOP-8 | SOP-16 |
| Montageart | Surface Mount | Surface Mount |
| RoHS-Status | Compliant | Compliant |
| Driver Support | Windows, macOS, Linux (CDC-ACM or vendor INF) | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS |
| Product Type | — | USB to UART Bridge Controller IC |
| Versorgungsspannung | — | 3.3 V or 5 V (mode selected by V3 pin) |
| 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 |
| MSL-Level | — | [DATA_NEEDED: MSL moisture sensitivity level] |