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MAX3793

Maxim
Part Number MAX3793
Manufacturer Maxim
Description 1Gbps to 4.25Gbps Multirate Transimpedance Amplifier
Published Jun 13, 2005
Detailed Description 19-3467; Rev 0; 10/04 1Gbps to 4.25Gbps Multirate Transimpedance Amplifier with Photocurrent Monitor General Descriptio...
Datasheet PDF File MAX3793 PDF File

MAX3793
MAX3793

Overview
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 Application Circuit SFP OPTICAL RECEIVER CVCC HOST BOARD RATE_SELECT VCC IN+ BWSEL OUT+ CFILT FILT VCC OUT+ 0.
1µF 0.
1µF MAX3793 IN MON GND OUT- 0.
1µF IN- MAX3794* OUT- 0.
1µF VCC 4.
7kΩ TO 10kΩ DISABLE LOS RMON MOD-DEF1 DS1856/ DS1859 *FUTURE PRODUCT MOD-DEF2 ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website a...


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