Product Overview
The DL-3900-N is a highly integrated USB 3.0 “Dock-on-a-Chip” SoC from the Synaptics DisplayLink DL-3000 series. It provides dual-head digital video output (up to 2560×1600 on DisplayPort, 2048×1152 on DVI/HDMI), integrated VGA, DVI, HDMI 1.3, DisplayPort 1.1 support, Gigabit Ethernet MAC, and 5.1-channel audio — all over a single USB 3.0 connection. The -N suffix denotes the Non-HDCP variant. It is widely used in universal docking stations by Dell, HP, Lenovo, Plugable, Targus, and others.
Key Specifications
| Series | DisplayLink DL-3000 |
| Function | USB 3.0 Dock-on-a-Chip (Dual-Head) |
| USB Input | USB 3.0 (5 Gbps) and USB 2.0 backward compatible |
| Video Compression | DL3 (low latency, pixel-perfect) |
| Video Outputs | 2 (Dual-Head) |
| Max Resolution (DP 1.1) | 2560 x 1600 @ 60Hz |
| Max Resolution (HDMI 1.3) | 2048 x 1152 or 2560 x 1440 @ 50Hz |
| Max Resolution (DVI) | 2048 x 1152 |
| Max Resolution (VGA) | 1920 x 1080 |
| Integrated VGA | Yes |
| Integrated DVI (with HDCP) | Yes |
| Integrated HDMI 1.3 (with HDCP) | Yes |
| DisplayPort 1.1 Support | Yes (via external transmitter) |
| Integrated Ethernet | Gigabit Ethernet MAC |
| Integrated Audio | 5.1 channel (6-channel) |
| HDCP | Non-HDCP version (-N suffix) |
| External Memory | DDR2 or DDR3 + I2C EEPROM required |
| Enterprise Features | Wake-on-LAN, PXE Boot, MAPT |
| Package | 400-ball PBGA, 17mm x 17mm, 0.8mm ball pitch |
| RoHS / Green | Yes |
| Manufacturer | Synaptics (DisplayLink) |
Features
- Dual-head digital video output (2 displays simultaneously)
- DL3 compression: ultra-low latency, bandwidth-adaptive, pixel-perfect
- Integrated VGA, DVI (with HDCP), and HDMI 1.3 (with HDCP)
- Integrated Gigabit Ethernet MAC
- 5.1-channel audio (up to 6 channels)
- USB 3.0 and USB 2.0 bus-power capable
- USB-C design compatible
- Enterprise: Wake-on-LAN, PXE Boot, MAPT support
- Non-HDCP variant (-N suffix) available
Applications
- Dual-head universal docking stations (Dell D3100, Targus, Plugable UD-3900)
- USB 3.0 graphics adapters (HDMI/DVI/VGA)
- Bus-powered portable docking stations
- USB monitors with built-in network and audio
- Enterprise meeting room and POS display solutions