The ONET4291VA is a high-speed multi-rate VCSEL driver from TI for fiber optic applications with data rates up to 4.25 Gbps. It supports 1Gbps, 2.125Gbps, and 4.25Gbps rates, automatic power control, laser safety, and other features.
The ONET4291VA is a versatile high-speed multi-rate Vertical-Cavity Surface-Emitting Laser (VCSEL) driver designed for fiber optic applications. It supports data rates ranging from 1 Gbps to 4.25 Gbps and features a compact 4 mm x 4 mm, 20-pin QFN package requiring a single 3.3-V supply.
The device integrates an automatic power control (APC) loop, laser safety features, and transceiver management system support. It utilizes a 2-wire digital interface to allow for the precise control of modulation and bias currents without external components.
| Data Rate Range | 1 Gbps to 4.25 Gbps |
|---|---|
| Operating Temperature | -40°C to 85°C |
| Supply Voltage | 3.3 V |
| Package Type | 20-Pin QFN |
| Interface Type | 2-Wire Digital Interface |
No, it uses a 2-wire interface to eliminate the need for external components.
The part requires a single 3.3-V supply.