Overview
Description
The GX76470 is a low-power, high-performance, quad-channel linear driver chip. It is designed for 400G/600G optical integrated transmitter small form factor (SFF) modules for metro and long-haul applications.
The GX76470 integrates the quad lanes of the driver with SPI circuitry for DC controls on a single die. Each channel of the driver has 100Ω differential AC-coupled input and 55Ω differential DC-coupled output, and a linear output voltage of 2.8Vppd suitable for InP multi-level modulations.
Features
- Data rate up to 64Gbps per channel for 400G/600G DP-mQAM applications
- > 40GHz bandwidth
- > 10dB dynamic range of gain control
- < 2.0W (typical) at linear 2.0Vppd
- AC-coupled 100Ω differential input/DC-coupled 55Ω differential output
- Ultra-low inter-channel cross-talk
- Peaking adjustment functionality
- Analog control for gain and output voltage setting, and analog monitor for peak detector and gain control monitor
- OIF-compliant SPI digital interface integration
Comparison
Applications
- 400/600Gbps 16QAM/64QAM advanced multi-level modulation systems
- High bandwidth SFF optical integrated modules
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet - Short-Form | PDF 170 KB | |
| Datasheet | PDF 460 KB | |
| Product Change Notice | PDF 134 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
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