Ascent’s QSFP-AQ-MP-31-02 optical transceiver is intended for up to 2km reach service with four-lane 10.3125G data rate. It is based on 3.3V DC power supply and operates in the commercial temperature range. It is compliant with QSFP MSA, SFF-8436 and IEEE802.3ba-2018. Digital diagnostic functions are available via I2C interface, and the control functions can be achieved by LVTTL interfaces on the host, mainly including Module Select (ModSelL), Module Reset (ResetL), Low Power Mode (LPMode). The transceiver incorporates a four-laser array which is usually DFB, four-PIN diode array, an integrated four drivers and TIAs IC separately. The differential AC coupled Tx and Rx data interfaces are CML compatible.
· MPO-12 optical interface
· Maximum link length up to 2km
· Up to 10.3125Gb/s data links per lane
· +3.3 V power supply
· QSFP MSA compliant package
· Hot Pluggable
· High performance singal mode DML transmitter
· High sensitivity PIN/TIA optical receiver
· Single Mode operation
· BER < 1E-12@-13.6dBm (OMA)
· Case Operating temperature : 0 to 70 °C
· Data and Control Interfaces
· Tx Data CML/AC Coupled
· Rx Data CML/AC Coupled
· ModSelL LVTTL
· ResetL LVTTL
· ModPrsL LVTTL
· LPMode LVTTL
· 2-wire I2C communication bus
· RoHS 6 compliance
Parameter | Symbol | Min. | Max. | Units | Notes |
Storage Temperature | Tstg | -40 | +95 | °C | |
Case Operating Temperature | TO | 0 | +70 | °C | |
Relative Humidity - Storage | RHS | 0 | 95 | % | |
Relative Humidity - Operating | RHO | 0 | 85 | % | |
Supply Voltage | VCC | -0.3 | 3.6 | V |
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Case Operating Temperature | Tcase | 0 | - | +70 | °C | |
DC Supply Voltage | VCC | 3.135 | - | 3.465 | V | |
Module Supply Current | Iin | - | - | 1060 | mA |
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Transmitter | ||||||
Signaling Speed per Lane | 10.3125±100ppm | Gbps | ||||
Lane Wavelength | L0 | 1295 | 1310 | 1325 | nm | |
L1 | 1295 | 1310 | 1325 | nm | ||
L2 | 1295 | 1310 | 1325 | nm | ||
L3 | 1295 | 1310 | 1325 | nm | ||
Side Mode Suppression Ratio | SMSR | 30 | dB | |||
Average Launch Power|Each Lane | Pavg | -7 | 2.5 | dBm | ||
Optical Modulation Amplitude|Each Lane | OMA | 2.5 | dBm | 1 | ||
Transmitter and Dispersion Penalty|Each Lane | TDP | 2.6 | dB | |||
Eye Mask coordinates: X1, X2, X3, Y1, Y2, Y3 | {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} | dBm | ||||
Average Launch Power of OFF Transmitter|Each Lane | -30 | dBm | ||||
Extinction Ratio | ER | 3.5 | dB | |||
Spectral Width|20dB | 1 | nm | ||||
Transmitter Reflectance | -12 | dB | ||||
Optical Return Loss Tolerance | 20 | dB | ||||
Receiver | ||||||
Signal Speed Per Lane | 10.3125±100ppm | Gbps | ||||
Lane Wavelength | L0 | 1295 | 1310 | 1325 | nm | |
Center Wavelength Lane 1 | L1 | 1295 | 1310 | 1325 | nm | |
Center Wavelength Lane 2 | L2 | 1295 | 1310 | 1325 | nm | |
Center Wavelength Lane 3 | L3 | 1295 | 1310 | 1325 | nm | |
Damage Threshold|Each Lane | THd | 2.5 | dBm | 2 | ||
Average Receive Power|Each Lane | -11.6 | 2 | dBm | |||
Receiver Reflectance | -26 | dB | ||||
Sensitivity OMA|Each Lane [1] | Sen1 | -11 | dBm | 3 | ||
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Stressed Receiver Sensitivity (OMA), each Lane | -8.6 | dBm | ||||
LOS Assert | LOSA | -30 | - | dBm | ||
LOS Deassert | LOSD | -17 | dBm | |||
LOS Hysteresis | LOSH | 0.5 | 5 | dB | ||
Vertical Eye Closure Penalty | VECP | 1.9 | dB | 4 | ||
Stressed Eye J2 Jitter | J2 | 0.3 | UI | |||
Stressed Eye J4 Jitter | J4 | 0.47 | UI |
Notes:
1. Even if the TDP < 0.8dB, the OMA min must exceed the minimum value specified here.
2. The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input
signal having this power level on one lane. The receiver does not have to operate correctly at this input power.
3. Measured with conformance test signal at receiver input for BER = 1e-12.
4. Vertical eye closure penalty and stressed eye jitter are test conditions for measuring stressed receiver sensitivity.
5. They are not characteristics of the receiver.
Parameter | Symbol | Min | Typ | Max | Unit | Notes |
Transmitter | ||||||
Differential Data input Swing | Vin | 180 | - | 900 | mV | |
Tx Differential Input Impendence | Zin | 90 | 100 | 110 | Ω | |
Tx Differential Output Impendence | Zout | 45 | 50 | 55 | Ω | |
ResetL Disable Voltage | Vr | 2.0 | - | VCC+0.3 | V | |
ResetL Enable Voltage | VrEN | 0 | - | 0.8 | V | |
ModSelL Disable Voltage | Vm | 2.0 | - | VCC+0.3 | V | |
ModSelL Enable Voltage | VmEN | 0 | - | 0.8 | V | |
Reciever | ||||||
Differential Data Output Swing | Vout | 180 | - | 900 | mV | |
Rx Differential Output Impendence | Zout | 90 | 100 | 110 | Ω | |
IntL Assert Voltage | VInt | VCC-0.5 | - | VCC+0.3 | V | |
IntL De-assert Voltage | VDInt | 0 | - | +0.4 | V |
Parameter | Symbol | Spec | Units | Condition/Notes |
Temperature | Te | +/-3 | °C | |
Voltage | VCC | +/-5% | V | |
IBias | BIAS | +/-10% | mA | |
Rx power | Rx-pwr | +/-3 | dBm | |
Tx power | Tx-pwr | +/-3 | dBm |
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