MAX3266/MAX3267 are 1.25Gbps/2.5Gbps, +3V to +5.5V, low-noise transimpedance preamplifiers for LANs. They feature 200nA/500nA input-referred noise, 920MHz/1900MHz bandwidth, and 1mA input overload.
The MAX3266 and MAX3267 are low‑noise transimpedance preamplifiers for 1.25 Gbps and 2.5 Gbps LAN fiber‑optic receivers. Both devices operate from a single +3.0 V to +5.5 V supply and feature built‑in bias filtering for photodiodes.
The document provides electrical characteristics, absolute maximum ratings, pin descriptions, typical operating curves, layout recommendations, and optical power relations for designing high‑speed optical links.
| Input‑Referred Noise (MAX3266) | 200 nA |
|---|---|
| Input‑Referred Noise (MAX3267) | 500 nA |
| Bandwidth (MAX3266) | 920 MHz |
| Bandwidth (MAX3267) | 1.9 GHz |
| Input Overload | 1 mA |
| Supply Voltage Range | +3.0 V to +5.5 V |
| Supply Current (MAX3266) | 26‑50 mA |
Both devices operate from a single +3.0 V to +5.5 V supply.
The MAX3267 has an input‑referred noise of 500 nA.
The MAX3266 provides a bandwidth of 920 MHz.
Both the MAX3266 and MAX3267 can handle up to 1 mA input overload.