CH340C vs CH340G Comparaison
Comparaison détaillée côte à côte de CH340C par NI et CH340G par WCH. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Comparaison des spécifications
| Paramètre | CH340C | CH340G |
|---|---|---|
| Marque | NI | WCH |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $0,34 | $0,31 |
| Product Type | USB to UART Bridge Controller IC | USB to UART Bridge Controller |
| USB Standard | USB 2.0 Full-Speed (12 Mbps) | — |
| Tension d'alimentation | 3.3 V or 5 V (mode selected by V3 pin) | — |
| Température de fonctionnement | -20 C to +70 C | -40 C to +85 C |
| 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) | — |
| UART Signals | TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI | TXD, RXD, CTS, RTS, DTR, DSR, DCD, RI |
| Boîtier | SOP-16 | SOP-16 (SOIC-16, 150 mil) |
| Type de montage | Surface Mount | Surface Mount |
| Niveau MSL | [DATA_NEEDED: MSL moisture sensitivity level] | — |
| Statut RoHS | Compliant | Compliant |
| Driver Support | Windows 7/8/10/11, Linux (kernel CDC-ACM), macOS | — |
| Manufacturer | Nanjing Qinheng Microelectronics Co., Ltd. (WCH) | WCH (Nanjing Qinheng Microelectronics) |
| 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 |
| Clock Source | — | External 12 MHz crystal required |
| 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 |
| RS-232 Assistant Mode | — | Yes (R232 pin enables internal inverter) |