MAX3793

19-3467; Rev 0; 10/04 1Gbps to 4.25Gbps Multirate Transimpedance Amplifier with Photocurrent Monitor General Description The MAX3793 transimpedance amplifier provides a compact low-power solution for applications from 1Gbps up to 4.25Gbps. The MAX3793 features 195nA input-referred noise, 3.5kΩ transimpedance gain, 2.9GHz bandwidth (CIN = 0.3pF) and 2.8mAP-P input overload. Operating from a +3.3V supply, the MAX3793 consumes only 106mW. An integrated filter resistor provides positive bias for the photodiode. These features, combined with a small die size, allow easy assembly into a TO-46 header with a photodiode. The MAX3793 also includes an average photocurrent monitor. The MAX3793 has a typical optical sensitivity of -20dBm (0.55A/W) at 4.25Gbps. Typical optical overload is at 4dBm. The MAX3793 and the MAX3794 limiting amplifiers provide a complete solution for multirate receiver applications. ♦ 4.7psP-P Deterministic Jitter (DJ) ♦ 195nARMS Input-Referred Noise ♦ 2.9GHz Small-Signal Bandwidth ♦ 2.8mAP-P AC Overload ♦ Photocurrent Output Monitor ♦ 3.5kΩ Differential Gain ♦ Compact Die Size (30 mils x 50 mils) Features MAX3793 Applications SFF/SFP Transceiver Modules from 1Gbps to 4.25Gbps Gigabit Ethernet Optical Receivers Multirate Fibre-Channel Optical Receivers PART Ordering Information TEMP RANGE PIN-PACKAGE MAX3793E/D -40°C to +85°C Dice* *Dice are designed to operate from -40°C to +85°C ambient temperature, but are tested and guaranteed only at TA = +25°C. Typical...