GTFP-GE-LX high performance, cost effective transceiver complies with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). It provides Digital diagnostics functions via a 2-wire serial interface as specified in SFF-8472. It adopts high-performance 1310nm FP transmitter and high-sensitivity PIN receiver, provides up to 12dB link budge for Gigabit Ethernet applications up to 20km on single mode fiber.
	
 Features: 
² Up to 1.25Gb/s Data links
² Hot-Pluggable
² Duplex LC connector
² 1310nm FP transmitter, PIN photo-detector
² 20km on SMF
² 2-wire interface for management specifications compliant
with SFF 8472 digital diagnostic monitoring interface
² Power Supply :+3.3V
² Power consumption<1W
² Temperature Range: 0~ 70°C, -40°C to 85°C/-5°C to 85°C available
² RoHS compliant
	
 Applications:
² Metro/Access Networks
² 1.25 Gb/s 1000base-LX Ethernet
² 1G Fibre Channel
² Other Optical links
	
 Ordering Information:
| 
				 Part Number  | 
			
				 Data Rate  | 
			
				 Distance  | 
			
				 Wavelength  | 
			
				 Laser  | 
			
				 Fiber  | 
			
				 DDM  | 
			
				 Temperature  | 
			
				 Connector  | 
		
| 
				 GTFP-GE-LX  | 
			
				 1.25Gb/s  | 
			
				 20km  | 
			
				 1310nm  | 
			
				 FP/PIN  | 
			
				 SM  | 
			
				 Yes  | 
			
				 0~ 70°C  | 
			
				 Duplex LC  | 
		
| 
				 GTFP-GE-LX-E  | 
			
				 1.25Gb/s  | 
			
				 20km  | 
			
				 1310nm  | 
			
				 FP/PIN  | 
			
				 SM  | 
			
				 Yes  | 
			
				 -5°C to 85°C  | 
			
				 Duplex LC  | 
		
| 
				 GTFP-GE-LX-I  | 
			
				 1.25Gb/s  | 
			
				 20km  | 
			
				 1310nm  | 
			
				 FP/PIN  | 
			
				 SM  | 
			
				 Yes  | 
			
				 -40°C to 85°C  | 
			
				 Duplex LC  | 
		
| 
				 GTFP-GE-LX/n  | 
			
				 1.25Gb/s  | 
			
				 20km  | 
			
				 1310nm  | 
			
				 FP/PIN  | 
			
				 SM  | 
			
				 No  | 
			
				 0~ 70°C  | 
			
				 Duplex LC  | 
		
| 
				 GTFP-GE-LX/n-E  | 
			
				 1.25Gb/s  | 
			
				 20km  | 
			
				 1310nm  | 
			
				 FP/PIN  | 
			
				 SM  | 
			
				 No  | 
			
				 -5°C to 85°C  | 
			
				 Duplex LC  | 
		
| 
				 GTFP-GE-LX/n-I  | 
			
				 1.25Gb/s  | 
			
				 20km  | 
			
				 1310nm  | 
			
				 FP/PIN  | 
			
				 SM  | 
			
				 No  | 
			
				 -40°C to 85°C  | 
			
				 Duplex LC  | 
		
Ø Absolute Maximum Ratings
| 
					 Parameter  | 
				
					 Symbol  | 
				
					 Min.  | 
				
					 Typical  | 
				
					 Max.  | 
				
					 Unit  | 
			
| 
					 Storage Temperature  | 
				
					 TS  | 
				
					 -40  | 
				
					 
  | 
				
					 +85  | 
				
					 °C  | 
			
| 
					 Supply Voltage  | 
				
					 VCC  | 
				
					 -0.5  | 
				
					 
  | 
				
					 4  | 
				
					 V  | 
			
| 
					 Relative Humidity  | 
				
					 RH  | 
				
					 0  | 
				
					 
  | 
				
					 85  | 
				
					 %  | 
			
Ø Recommended Operating Environment:
| 
					 Parameter  | 
				
					 Symbol  | 
				
					 Min.  | 
				
					 Typical  | 
				
					 Max.  | 
				
					 Unit  | 
			|
| 
					 Case operating Temperature  | 
				
					 Industrial  | 
				
					 TC  | 
				
					 -40  | 
				
					 
  | 
				
					 85  | 
				
					 °C  | 
			
| 
					 Extended  | 
				
					 -5  | 
				
					 
  | 
				
					 85  | 
				
					 °C  | 
			||
| 
					 Commercial  | 
				
					 0  | 
				
					 
  | 
				
					 +70  | 
				
					 °C  | 
			||
| 
					 Supply Voltage  | 
				
					 VCC  | 
				
					 3.135  | 
				
					 
  | 
				
					 3.465  | 
				
					 V  | 
			|
| 
					 Supply Current  | 
				
					 Icc  | 
				
					 
  | 
				
					 
  | 
				
					 300  | 
				
					 mA  | 
			|
| 
					 Inrush Current  | 
				
					 Isurge  | 
				
					 
  | 
				
					 
  | 
				
					 Icc+30  | 
				
					 mA  | 
			|
| 
					 Maximum Power  | 
				
					 Pmax  | 
				
					 
  | 
				
					 
  | 
				
					 1  | 
				
					 W  | 
			|
Ø Electrical Characteristics (TOP = -40 to 85°C, VCC = 3.135 to 3.465 Volts)
| 
					 Parameter  | 
				
					 Symbol  | 
				
					 Min.  | 
				
					 Typical  | 
				
					 Max.  | 
				
					 Unit  | 
				
					 Note  | 
			
| 
					 Transmitter Section:  | 
				
					 
  | 
			|||||
| 
					 Input differential impedance  | 
				
					 Rin  | 
				
					 90  | 
				
					 100  | 
				
					 110  | 
				
					 W  | 
				
					 1  | 
			
| 
					 Single ended data input swing  | 
				
					 Vin PP  | 
				
					 250  | 
				
					 
  | 
				
					 1200  | 
				
					 mVp-p  | 
				
					 
  | 
			
| 
					 Transmit Disable Voltage  | 
				
					 VD  | 
				
					 Vcc – 1.3  | 
				
					 
  | 
				
					 Vcc  | 
				
					 V  | 
				
					 2  | 
			
| 
					 Transmit Enable Voltage  | 
				
					 VEN  | 
				
					 Vee  | 
				
					 
  | 
				
					 Vee+ 0.8  | 
				
					 V  | 
				
					 
  | 
			
| 
					 Transmit Disable Assert Time  | 
				
					 Tdessert  | 
				
					 
  | 
				
					 
  | 
				
					 10  | 
				
					 us  | 
				
					 
  | 
			
| 
					 Receiver Section:  | 
				
					 
  | 
			|||||
| 
					 Single ended data output swing  | 
				
					 Vout,pp  | 
				
					 250  | 
				
					 
  | 
				
					 800  | 
				
					 mv  | 
				
					 3  | 
			
| 
					 LOS Fault  | 
				
					 Vlosfault  | 
				
					 Vcc – 0.5  | 
				
					 
  | 
				
					 VCC_host  | 
				
					 V  | 
				
					 5  | 
			
| 
					 LOS Normal  | 
				
					 Vlos norm  | 
				
					 Vee  | 
				
					 
  | 
				
					 Vee+0.5  | 
				
					 V  | 
				
					 5  | 
			
| 
					 Power Supply Rejection  | 
				
					 PSR  | 
				
					 100  | 
				
					 
  | 
				
					 
  | 
				
					 mVpp  | 
				
					 6  | 
			
Note: 1. AC coupled.
2. Or open circuit.
3. Into 100 ohm differential termination
4. 20 – 80 %
5. LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
6. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5MHz up to specified value applied through the power supply filtering network shown on page 23 of the Small Form-factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA), September 14, 2000.
Ø Optical Parameters (TOP = -40 to 85°C, VCC = 3.135 to 3.465 Volts)
| 
					 Parameter  | 
				
					 Symbol  | 
				
					 Min.  | 
				
					 Typical  | 
				
					 Max.  | 
				
					 Unit  | 
				
					 Note  | 
			
| 
					 Transmitter Section:  | 
			||||||
| 
					 Center Wavelength  | 
				
					 λc  | 
				
					 1270  | 
				
					 1310  | 
				
					 1360  | 
				
					 nm  | 
				
					 
  | 
			
| 
					 Spectral Width(RMS)  | 
				
					 σRMS  | 
				
					 
  | 
				
					 
  | 
				
					 3  | 
				
					 nm  | 
				
					 
  | 
			
| 
					 Optical Output Power  | 
				
					 Pout  | 
				
					 -9  | 
				
					 
  | 
				
					 -3  | 
				
					 dBm  | 
				
					 1  | 
			
| 
					 Extinction Ratio  | 
				
					 ER  | 
				
					 8.2  | 
				
					 
  | 
				
					 
  | 
				
					 dB  | 
				
					 
  | 
			
| 
					 Optical Rise/Fall Time  | 
				
					 tr / tf  | 
				
					 
  | 
				
					 
  | 
				
					 260  | 
				
					 ps  | 
				
					 2  | 
			
| 
					 Relative Intensity Noise  | 
				
					 RIN  | 
				
					 
  | 
				
					 
  | 
				
					 -120  | 
				
					 dB/Hz  | 
				
					 
  | 
			
| 
					 Output Eye Mask  | 
				
					 Compliant with IEEE802.3 z (class 1 laser safety)  | 
				
					 
  | 
			||||
| 
					 Receiver Section:  | 
				
					 
  | 
			|||||
| 
					 Optical Input Wavelength  | 
				
					 λc  | 
				
					 1260  | 
				
					 
  | 
				
					 1360  | 
				
					 nm  | 
				
					 
  | 
			
| 
					 Receiver Overload  | 
				
					 Pol  | 
				
					 -3  | 
				
					 
  | 
				
					 
  | 
				
					 dBm  | 
				
					 4  | 
			
| 
					 RX Sensitivity  | 
				
					 Sen  | 
				
					 
  | 
				
					 
  | 
				
					 -21  | 
				
					 dBm  | 
				
					 4  | 
			
| 
					 RX_LOS Assert  | 
				
					 LOS A  | 
				
					 -35  | 
				
					 
  | 
				
					 
  | 
				
					 dBm  | 
				
					 
  | 
			
| 
					 RX_LOS De-assert  | 
				
					 LOS D  | 
				
					 
  | 
				
					 
  | 
				
					 -24  | 
				
					 dBm  | 
				
					 
  | 
			
| 
					 RX_LOS Hysteresis  | 
				
					 LOS H  | 
				
					 0.5  | 
				
					 
  | 
				
					 
  | 
				
					 dB  | 
				
					 
  | 
			
| 
					 General Specifications:  | 
			||||||
| 
					 Data Rate  | 
				
					 BR  | 
				
					 
  | 
				
					 1.25  | 
				
					 
  | 
				
					 Gb/s  | 
				
					 
  | 
			
| 
					 Bit Error Rate  | 
				
					 BER  | 
				
					 
  | 
				
					 
  | 
				
					 10-12  | 
				
					 
  | 
				
					 
  | 
			
| 
					 Max. Supported link Length on 9/125μm SMF@1.25Gb/s  | 
				
					 LMAX  | 
				
					 
  | 
				
					 20  | 
				
					 
  | 
				
					 km  | 
				
					 
  | 
			
| 
					 Total System Budget  | 
				
					 LB  | 
				
					 12  | 
				
					 
  | 
				
					 
  | 
				
					 dB  | 
				
					 
  | 
			
Note: 1. The optical power is launched into SMF.
2. 20-80%.
3. Jitter measurements taken using Agilent OMNIBERT 718 in accordance with GR-253.
4. Measured with PRBS 27-1 at 10-12 BER
