Alpha Bridge AQSFP-40G-SR4

Features

  • 4 independent full-duplex channels
  • Up to 11.2Gb/s data rate per channel
  • MTP/MPO optical connector
  • QSFP+ MSA compliant
  • Digital diagnostic capabilities
  • Up to 100m transmission on OM3 multi- mode ribbon fiber
  • CML compatible electrical I/O
  • Single +3.3V power supply
  • Operating case temperature: 0 to 70oC
  • XLPPI electric interface
  • Maximum power consumption 1.5W
  • RoHS-6 compliant

Applications

  • Rack to Rack
  • Data Center
  • Infiniband QDR, DDR and SDR
  • 40G Ethernet

Absolute Maximum Ratings

Parameter Symbol Min. Max. Units
Storage Temperature Ts -40 85 ℃
Supply Voltage Vcc -0.5 3.6 V
Operating Case Temperature Topc 0 70 ℃
Relative Humidity (non-condensation) RH 0 85 %
Damage Threshold, each Lane THd 3.4 dBm

Recommended Operating Conditions

Parameter Symbol Min. Typ. Max. Units
Operating Temperature Topc 0 70 ℃
Power Supply Voltage Vcc 3.1 3.3 3.465 V
Data Rate, each Lane 10.3125 11.2 Gb/s
Control Input Voltage High 2 Vcc V
Control Input Voltage Low 0 0.8 V
Link Distance (OM3) D 100 m

Diagnostics Monitoring

Parameter Symbol Accuracy Units Notes
Temperature monitor absolute error      DMI_Temp ±3   ℃ Over operating temperature range
Supply voltage monitor absolute error DMI _VCC ±0.1 V Over full operating range
Channel RX power monitor absolute   DMI_RX_Ch   ±2 dB 1
Channel Bias current monitor   DMI_Ibias_Ch ±10% mA Ch1~Ch4
Channel TX power monitor absolute error   DMI_TX_Ch   ±2   dB 1

Transmitter Electro-optical Characteristics

Parameter Symbol Min Type Max Units Notes
Power Consumption 1.5 W
Supply Current ICC 450 mA
Transceiver Power-on Initialization Time 2000 ms 1
Single-ended Input Voltage Tolerance (note 2) -0.3 4 V Referred to TP1 signal common
AC Common Mode Input Voltage Tolerance 15 mV RMS
Differential Input Voltage Swing Threshold 50 mVpp LOSA Threshold
Differential Input Voltage Swing Vin,pp 180 1200 mVpp
Differential Input Impedance Zin 90 100 110 Ohm
Differential Input Return Loss See IEEE 802.3ba86A.4.11 dB 10MHz-11.1GHz
J2 Jitter Tolerance Jt2 0.17 UI
J9 Jitter Tolerance Jt9 0.29 UI
Data Dependent Pulse Width Shrinkage (DDPWS) Tolerance 0.07 UI
Eye Mask Coordinates {X1,X2, Y1, Y2} 0.11, 0.31,95,350 UI v Hit Ratio =5x10-5
Center Wavelength λc 840 850 860 nm
RMS Spectral Width △λrms 0.5 0.65 Nm
Average Launch Power, each Lane PAVG -7.6 1 dBm 3
Optical Modulation Amplitude (OMA), each Lane POMA -5.6 3 dBm 4
Difference in Launch Power between any Two Lanes (OMA) Ptx,diff 4 dB
Peak Power, each Lane PPT 4 dBm
Launch Power in OMA minusLaunch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane -6.5 dBm
TDP, each Lane 3.5 dB
Extinction Ratio ER 3 dB
Relative Intensity Noise RIN -128 dB/Hz 12dB reflection
Optical Return Loss Tolerance TOL 12 dB
Encircled Flux ≥ 86% at 19um, ≤ 30% at 4.5um
Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3} 0.23, 0.34, 0.43, 0.27, 0.35, 0.4
Average Launch Power OFF Transmitter, each Lane Poff -30 dBm

Electro Characteristics

Parameter Symbol Min Type Max Units Notes
Single-ended Output Voltage -0.3 4 V Referred to signal common
AC Common Mode Output Voltage 7.5 mV RMS
Differential Output Voltage Swing Vout,pp 600 800 mVpp
Differential Output Impedance Zout 90 100 110 Ohm
Termination Mismatch at 1MHz 5 %
Differential Output Return Loss See IEEE 802.3ba 86A.4.2.1 dB 10MHz-11.1GHz
Common Mode Output Return Loss See IEEE 802.3ba 86A.4.2.2 dB 10MHz-11.1GHz
Output Transition Time 28 ps 20% to 80%
J2 Jitter Output Jo2 0.42 UI
J9 Jitter Output Jo9 0.65 UI
Eye Mask Coordinates {X1, X2, Y1, Y2} 0.29, 0.5 , 150, 425 UI mV Hit Ratio =5x10-5
Center Wavelength Λc 840 850 860 nm
Damage Threshold, each Lane THd 3.4 dBm 1
Average Receive Power, each Lane -9.5 2.4 dBm
Receiver Reflectance RR -12 dB
Receive Power (OMA), each Lane 3 dBm
Receiver Sensitivity (OMA), each Lane SEN -8.4 dBm
Stressed Receiver Sensitivity (OMA), each Lane 5.4 dBm 2
Peak Power, each Lane PPR 4 dBm
LOS Assert LOSA -30 dBm
LOS Deassert LOSD -12 dBm
LOS Hysteresis LOSH 0.5 dB
Vertical Eye Closure Penalty, each Lane 1.9 dB
Stressed Eye J2 Jitter, each Lane 0.3 UI
Stressed Eye J9 Jitter, each Lane 0.47 UI
OMA of each aggressor lane 0.4 dBm

Pin Descriptions

PIN Logic Symbol Name/Description  Note
1   GND Ground 1
2 CML-I Tx2n Transmitter Inverted Data Input
3 CML-I Tx2p Transmitter Non-Inverted Data output
4   GND Ground 1
5 CML-I Tx4n Transmitter inverted Data Input
6 CML-I Tx4p Transmitter Non-Inverted Data output
7   GND Ground 1
8 LVTLL-I ModSeIL Module Select
9 LVTLL-I ResetL Module Reset
10   VccRx +3.3V Power Supply Receiver 2
11 LVCMOS-I/O SCL 2-Wire Serial Interface Clock
12 LVCMOS-I/O SDA 2-Wire Serial Interface Data
13   GNC Ground
14 CML-O Rx3p Receiver Non-Inverted Data output
15 CML-O Rx3n Receiver Inverted Data output
16   GND Ground 1
17 CML-O Rx1p Receiver Non-Inverted Data Output
18 CML-O Rx1n Receiver Inverted Data Output
19   GND Ground 1
20   GND Ground 1
21 CML-O Rx2n Receiver Inverted Data output
22 CML-O Rx2p Receiver Non-Inverted Data output
23   GND Ground 1
24 CML-O Rx4n Receiver Inverted Data output
25 CML-O Rx4p Receiver Non-Inverted Data output
26   GND Ground 1
27 LVTTL-O ModPrsL Module Present
28 LVTTL-O IntL Interrupt
29   VccTx +3.3V Power Supply transmitter
30   Vcc1 +3.3V Power Supply
31 LVTTL-I LPMode Low Power Mode
32   GND Ground 1
33 CML-I Tx3p Transmitter Non-Inverted Data Input
34 CML-I Tx3n Transmitter Inverted Data Output
35   GND Ground 1
36 CML-I Tx1p Transmitter Non-Inverted Data Input
37 CML-I Tx1n Transmitter Inverted Data Output
38   GND Ground 1

Ordering Information

Model Number Part Number Voltage Temperature
AQSFP-40G-SR4 OPCS-MX1-85-CB 3.3V 0°C to 70 °C
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