Delta Electronics LCP-1250 specifications Optical Characteristics, Pa-Pd

Optical Characteristics

(VCC=3.3V ± 5%, Data Rate=1250Mb/sec, PRBS=27-1 NRZ)

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Transmitter
Output Optical Power (Avg.)		-3		1
LCP-1250B4Mxx
LCP-1250D4Mxx	PO	-4		1	dBm
LCP-1250D4Wxx		-3		2
LCP-1250D4Rxx		0		5
LCP-1250D4Vxx		0		5
Optical Extinction Ratio		9			dB
Center Wavelength		1274	1310	1355	nm
LCP-1250B4 Series	λC
LCP-1250D4 Series		1530	1550	1570
Spectral Width					nm
LCP-1250B4Mxx (-20dB)	σ			1
LCP-1250D4 Series (-20dB)				1
Side-mode Suppression Ratio	SMSR				dB
LCP-1250B4Mxx		30
LCP-1250D4 Series		30
Optical Rise/ Fall Time	tr/tf			260	psec	1
Relative Intensity Noise	RIN			-120	dB/Hz
Output Eye	Compliant with IEEE 802.3z
Receiver
Sensitivity (Avg.)				-24
LCP-1250B4Mxx
LCP-1250D4Mxx	PIN			-21	dBm	2
LCP-1250D4Wxx				-24
LCP-1250D4Rxx				-25
LCP-1250D4Vxx				-30
Input Optical Wavelength	λ	1270		1570	nm
LOS-Deasserted (Avg.)				-24
LCP-1250B4Mxx
LCP-1250D4Mxx	PA			-21	dBm
LCP-1250D4Wxx				-24
LCP-1250D4Rxx				-25
LCP-1250D4Vxx				-30
LOS-Asserted (Avg.)	PD	-40			dBm
LOS-Hysteresis	PA-PD	0.5			dB
Overload		-1
LCP-1250B4Mxx	PO				dBm
LCP-1250D4 Series		-1
LCP-1250D4Vxx		-9

Notes:

1.These are unfiltered 20%~80% values

2.The sensitivity is provided at a BER of 1×10-12or better with an input signal consisting of 1250Mb/s, 27-1 PRBS and ER=9dB.

3	Nov., 2006
	Rev. 6B
DELTA ELECTRONICS, INC.	www.deltaww.com