Features
- Data rate up to 64Gbps per channel for 400G/600G DP-mQAM applications
- > 40GHz Bandwidth
- > 10dB dynamic range of gain control
- 2.4W (typical) at linear 4.0Vppd
- AC-coupled 100Ω differential input/open-collector configuration at the 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
- Optical Internetworking Forum (OIF)-compliant SPI digital interface integration
GX76474 - Block Diagram
Description
The GX76474 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 GX76474 integrates the quad lanes of the driver with SPI circuitry for DC controls on a single die. Each channel of the driver has a 100Ω differential AC-coupled input and 60Ω differential interface with an open-collector type output stage, and linear output voltage of 4.0Vppd suitable for silicon photonics modulator and multi-level modulations.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Carrier Type | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|
| GX76474-DNT | Last Time Buy | N/A | Out of Stock | WAFER | 0 | WFP | Yes | e3 Sn | -5 to 105°C |
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Product Notices (PCN, EOL, etc) (1)
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An overview of Renesas’ 64 Gbaud GX76474 driver family and GX36420 series Coherent TIAs that combine exceptional analog performance, low power, and high reliability with high bandwidth and configurability to support coherent optical communications, the telecom industry’s fastest growing segment. Both series also cover all the optical modulator technologies currently on the market, including Lithium Niobate, Indium Phosphide, and Silicon Photonics, as well as the industry-standard ICR and TROSA configurations.
