Alpha Bridge AB-QSFP 28-03

Features

  • Supports 103.1Gb/s aggregate bit rate
  • 4x25Gb/s electrical interface
  • Maximum link length of 300m on OM4 Multimode Fiber (MMF)
  • Hot-pluggable QSFP28 footprint
  • Single MPO 12 receptacle
  • Low power Consumption
  • RoHS-6 compliant and lead-free
  • +3.3V single power supply
  • Support Digital Diagnostic Monitor interface
  • Case operating temperature Commercial: 0°C to +70°C

Applications

  • 100GBASE-SR4 100G Ethernet

Compliance

  • QSFP28 MSA.
  • 3bm
  • SFF-8636
  • RoHS

Absolute Maximum Ratings

Parameter Symbol Min. Typ. Max. Unit Ref.
Storage Temperature TS -40   85 ºC  
Storage Ambient Humidity HA 0   85 %  
Maximum Supply Voltage VCC -0.5   3.6 V  
Receiver Damage Threshold   3.4     dBm  
Lead Soldering Temperature/Time TSOLD     260/10 ºC/sec 1
Lead Soldering Temperature/Time TSOLD     360/10 ºC/sec 2

General Product Characteristics

Data Rate Specifications Symbol Min. Typ. Max. Unit Ref.
Bit Rate (all wavelength combined) BR     103.1 Gb/s 1
Bit Error Ratio (pre-FEC) BER     10-May   2
Maximum Supported Distances            
Fiber Type            
Link distance on OM3 MMF d     70 meters 3
Link distance on OM4 MMF d     300 meters 3

Optical Characteristics

Parameter Symbol Min. Typ. Max. Unit Ref.
Transmitter (per lane)
Average Output Power per lane POUT -6   2.4 dBm  
Extinction Ratio ER 2     dB  
Center Wavelength λC 840   860 nm  
RMS Spectral Width σ     0.6 nm  
Transmitter OFF Output Power POff     -30 dBm  
Transmitter eye mask definition {X1,X2,X3,Y1,Y2,Y3}   {0.3,0.38,0.45,0.35,0.41,0.5}   1
Receiver (per lane)
Input Optical Wavelength λIN 840   860 nm  
Rx Sensitivity (OMA) per lane @BER=5E-5 RSENS     -10.3 dBm 2
Input Saturation Power (Overload) PSAT 2.4     dBm  
Receiver Reflectance Rfl     -12 dBm  
Loss of Signal Assert PA -30     dBm  
Loss of Signal De-assert PD     -12 dBm  
LOS Hysteresis PD - PA 0.5     dB  

Electrical Interface Characteristics

Parameter Symbol Min. Typ. Max. Unit Ref.
Supply Voltage VCC1, VCCTX, VCCRX 3.15   3.45 V  
Supply Current ICC     750 mA  
Transmitter (per Lane)
Input different impedance Rin 90 100 110 Ω  
Single ended input voltage tolerance VinT -0.3   4 V  
Single ended data input swing Vin,pp 200   1000 mV  
Receiver (per Lane)
Output different impedance Rout 90 100 110 Ω  
Single ended data output swing Vout,pp 200   1000 mV  
Single-ended output voltage VoutR -0.3   4 V  

Pin Descriptions

Pin Symbol Name/Description Ref.
1 GND Ground 1
2 Tx2n Transmitter Inverted Data Input  
3 Tx2p Transmitter Non-Inverted Data Input  
4 GND Ground 1
5 Tx4n Transmitter Inverted Data Input  
6 Tx4p Transmitter Non-Inverted Data Input  
7 GND Ground 1
8 ModSe1L Module Select  
9 ResetL Module Reset  
10 Vcc Rx +3.3V Power supply receiver  
11 SCL 2-wire serial interface clock  
12 SDA 2-wire serial interface data  
13 GND Ground 1
14 Rx3p Receiver Non-Inverted Data Output  
15 Rx3n Receiver Inverted Data Output  
16 GND Ground 1
17 Rx1p Receiver Non-Inverted Data Output  
18 Rx1n Receiver Inverted Data Output  
19 GND Ground 1
20 GND Ground 1
21 Rx2n Receiver Inverted Data Output  
22 Rx2p Receiver Non-Inverted Data Output  
23 GND Ground 1
24 Rx4n Receiver Inverted Data Output  
25 Rx4p Receiver Non-Inverted Data Output  
26 GND Ground 1
27 ModPrSL Module Present  
28 IntL Interrupt  
29 Vcc Tx +3.3V Power supply transmitter  
30 Vcc1 +3.3V Power Supply  
31 LPMode Low Power Mode  
32 GND Ground 1
33 Tx3p Transmitter Non-Inverted Data Input  
34 Tx3n Transmitter Inverted Data Input  
35 GND Ground 1
36 Tx1p Transmitter Non-Inverted Data Input  
37 Tx1n Transmitter Inverted Data Input  
38 GND Ground 1

Ordering Information

Part Number Description
AB-QSFP28-03 100G SR4 850nm 300m, MPO-12, 0-70℃, with DDM
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