The ADN2820 is a high-performance 10.7Gbps 3.3V TIA with an average power monitor. It is optimized for 10Gbps Metro-Access and Ethernet systems and is a single-chip solution for detecting photodiode current with a differential output voltage.
The ADN2820 is a compact, high‑performance 3.3 V SiGe transimpedance amplifier optimized for 10 Gbps Ethernet and metro‑access systems. It offers low input‑referred noise, high transimpedance gain, and an integrated average‑power monitor output.
The document includes detailed electrical specifications, absolute maximum ratings, pad layout and functional descriptions, typical performance graphs, application notes, optical sensitivity data, package dimensions, and an ordering guide.
| Bandwidth | 9 GHz |
|---|---|
| Input noise current density | 1.0 µA |
| Power dissipation (typical) | 200 mW |
| Output offset adjustment range | 240 mV |
| Die size | 0.875 mm × 1.060 mm |
| Recommended CLF capacitor | 0.1 µF |
The die measures 0.875 mm by 1.060 mm.
A 0.1 µF capacitor is recommended for the CLF input.