Ascent’s SFP+ Active Optical Cable (AOC) assemblies use active circuits to support longer distances than standard Passive or Active SFP+ Copper Cables. They are designed for high speed, short range data link via optical fiber wire. SFP+ AOC cables provide high performance Enhanced Small Form Factor Pluggable (SFP+) interface and it is a cost effective solution for Data Center/ storage and data application. The Active Optical Cables (AOC) can be used as an alternative solution to SFP+ passive and active copper cables, while providing improved signal integrity, longer distances, superior electromagnetic immunity and better bit error rate performance.
· Up to 10.3125Gbps Data Links
· 850nm VCSEL laser transmitter and PIN/TIA receiver
· Maximum link length of 150m on OM3 MMF
· Hot-pluggable SFP+ footprint
· Power consumption less than 1W
· RoHS compliant and lead-free
· Support Digital Diagnostic Monitor interface
· +3.3V Single power supply
· Commercial operating temperature: 0°C to +70°C
Absolute Maximum Ratings
Parameter | Symbol | Min. | Typ | Max. | Unit | Ref |
Maximum Supply Voltage | VCC | -0.5 | 3.6 | V | ||
Storage Temperature | TS | -40 | 85 | °C | 1 | |
Case Operating Temperature | TOP | 0 | 70 | °C | ||
Relative Humidity | RH | 0 | 85 | % | 2 |
Notes:
1. Limited by the fiber cable jacket, not the active ends.
2. Non-condensing.
Electrical Characteristics (TOP = 0 to 70°C, VCC = 3.3 ± 5% Volts)
Parameter | Symbol | Min | Typ | Max | Unit | Ref |
Supply Voltage | VCC | 3.15 | 3.45 | V | ||
Supply Current | ICC | 300 | mA | |||
Transmitter | ||||||
Input Differential Impedance | Rin | 100 | Ω | 1 | ||
Differential Data Input Wwing | Vin, pp | 200 | 1000 | mV | ||
Transmit Disable Voltage | VD | 2 | VCC | V | ||
Transmit Enable Voltage | VEN | Vee | Vee+0.8 | V | ||
Receiver | ||||||
Differential Data Output Swing | Vout, pp | 200 | 100 | mV | 2 | |
LOS Fault | VLOS_fault | 2 | VCCHOST | V | 3 | |
LOS Normal | VLOS_norm | Vee | Vee+0.8 | V | 3 | |
Power Supply Noise Tolerance | VCCT/VCCR | Per SFF-8431 Rev 4.1 | mVpp | 4 |
Notes:
1. Connected directly to TX data input pins.AC coupling from pins into laser driver IC.
2. Into 100Ω differential termination
3. 20-80%.Measured with Module Compliance Test Board and OMA test pattern. Use of four 1’s and four 0’s in sequence in the PRBS^9 is an acceptable alternative. SFF-8431 Rev 4.1
4. LOS is an open collector output. Should be pulled up with 4.7kΩ – 10kΩ on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V
5. Testing methodology per SFF-8431. Rev 4.1
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