MAX3850EGJ Maxim Integrated Products, MAX3850EGJ Datasheet
MAX3850EGJ
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MAX3850EGJ Summary of contents
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... Automatic Average Power Control with Failure Monitor Complies with ANSI, ITU, and Bellcore SDH/SONET Specifications Laser Current-Enable Control PART MAX3850EGJ Applications MAX3850E/D *Dice are designed to operate over this range, but are tested and guaranteed at T availability. Typical Application Circuits are continued at the end of the data sheet ...
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DC-Coupled Laser Driver ABSOLUTE MAXIMUM RATINGS Supply Voltage, V ..............................................-0.5V to +4.0V CC Current into BIAS ............................................-20mA to +150mA Current into OUT+, OUT- ................................-20mA to +100mA Current into MD.....................................................-5mA to +5mA Voltage at DATA+, DATA-, CLK+, CLK-, ENABLE, ...
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DC-Coupled Laser Driver DC ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V -40°C to +85°C. Typical values are otherwise noted.) (Note 1) PARAMETER SYMBOL Modulation Off-Current I MOD-OFF Modulation-Current Stability AC ELECTRICAL ...
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DC-Coupled Laser Driver DATA+ DATA- (DATA+) - (DATA OUT Figure 1. Required Input Signal and Output Polarity MAX3850 OUT- 0 0.5pF I OUT + OUT ...
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DC-Coupled Laser Driver (DC-coupled output +25°C, unless otherwise noted.) A OPTICAL EYE DIAGRAM (2.7Gbps, 130mm FP LASER 1.87Gbps FILTER, 32-QFN) MAX3850 toc01 MITSUBISHI ML725C8F LASER DIODE ELECTRICAL EYE DIAGRAM 60mA ...
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DC-Coupled Laser Driver (DC-coupled output +25°C, unless otherwise noted vs APCSET 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 100 1k 10k 100k R (Ω) APCSET MODULATION-CURRENT MONITOR GAIN vs. TEMPERATURE ...
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DC-Coupled Laser Driver PIN NAME Power Supply for Digital Circuits CC1 2 DATA+ Positive Data Input 3 DATA- Negative Data Input 5 CLK+ Positive Clock Input. Connect CLK- Negative Clock Input. ...
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DC-Coupled Laser Driver LATCH MAX3850 0 MUX DATA CLK ENABLE I BIAS BIASMON 162X 41 MODMON I MOD 30 MODSET R MODSET GND4 Figure 4. Functional Diagram Detailed Description The MAX3850 laser driver has two ...
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DC-Coupled Laser Driver laser package converts the optical power into a pho- tocurrent. The APC loop adjusts the laser bias current so that the monitor current is matched to a reference current set The time ...
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DC-Coupled Laser Driver Operating Characteristics, and select the value of R that corresponds to the required current at BIASMAX +25°C. When using the MAX3850 in closed-loop operation, the R resistor sets the maximum bias current avail- BIASMAX able ...
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DC-Coupled Laser Driver Table 2. Bondpad Locations PAD NAME 1 GND2 2 GND1 3 V CC1 4 DATA+ 5 DATA CC1 7 GND1 8 V CC1 9 CLK+ 10 CLK CC1 *12 GND1 13 ...
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DC-Coupled Laser Driver Wirebonding Die For high-current density and reliable operation, the MAX3850 uses gold metalization. Make connections to the die with gold wire only, using ball-bonding tech- niques. Wedge bonding is not recommended. Die-pad size is 4mils ...
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DC-Coupled Laser Driver 0.1µF 0.1µF MAX3890 0.1µF SERIALIZER WITH CLOCK GEN. 0.1µF TYPICAL APPLICATION CIRCUIT WITH AC-COUPLED INPUTS Chip Topography V CLK+ GND1 DATA- V CC1 CC1 GND1 CLK DATA+ GND1 CC1 CC1 LATCH ENABLE GND1 ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...