Delta Electronics LCP-1250 CWDM Optical Characteristics, Transmitter, Parameter, Symbol, Unit

Optical Characteristics

Transmitter

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

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Output Optical Power (Avg.)		-5		0
LCP-1250D4MxxRB	P				dBm
LCP-1250D4RxxRB		0		+5
LCP-1250D4VxxRB		0		+5
Optical Extinction Ratio	ER	9			dB
Center Wavelength
LCP-1250D4x47RB		1464.5	1470	1477.5
LCP-1250D4x49RB		1484.5	1490	1497.5
LCP-1250D4x51RB		1504.5	1510	1517.5
LCP-1250D4x53RB	λC	1524.5	1530	1537.5	nm
LCP-1250D4x55RB		1544.5	1550	1557.5
LCP-1250D4x57RB		1564.5	1570	1577.5
LCP-1250D4x59RB		1584.5	1590	1597.5
LCP-1250D4x61RB		1604.5	1610	1617.5
Spectral Width (-20dB)	σ			1	nm
Side-mode Suppression Ratio	SMSR	30			dB
Optical Rise/ Fall Time	tr/tf			260	psec	1
Relative Intensity Noise	RIN			-120	dB/Hz
Output Eye	Compliant with IEEE 802.3z
Receiver
(VCC=3.3V ± 5%, Data Rate=1250Mb/sec, PRBS=27-1 NRZ)
Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Sensitivity (Avg.) @1.25Gbps
LCP-1250D4MxxRB	PS			-24	dBm	2
LCP-1250D4RxxRB				-24
LCP-1250D4VxxRB				-30
Input Optical Wavelength	λ	1450		1620	nm
LOS-Deasserted (Avg.)				-24
LCP-1250D4MxxRB	PA				dBm
LCP-1250D4RxxRB				-24
LCP-1250D4VxxRB				-30
LOS-Asserted (Avg.)	PD	-40			dBm
LOS-Hysteresis	PA-PD	0.5			dB
Overload (Avg.)
LCP-1250D4MxxRB	P0	-3			dBm
LCP-1250D4RxxRB		-3
LCP-1250D4VxxRB		-9
Reflectance	r			-12	dB

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	2008/1/15
	Rev. 0A
DELTA ELECTRONICS, INC.	www.deltaww.com