Delta Electronics LC-1250xxxx Series - Manual (Page 3)

LC-1250xxxx Series
DELTA ELECTRONICS, INC.
3 Jan., 2008
Rev. 0H
www.deltaww.com
Optical Performance Specification
( V
CC
= 3.135 to 3.465V )
Parameter Symbol Min. Typ. Max. Unit Note
Transmitter
Supply Current I
CC
150 mA
Output Optical Power (Avg.)
LC-1250AxFxRx
LC-1250BxQxRx
P
O
-9.5
-9.5 -4
-3 dBm
Optical Extinction Ratio ER 9 dB
Center Wavelength
LC-1250AxFxRx
LC-1250BxQxRx
λ
C
830
1274
860
1355
nm
Spectral Width (RMS)
LC-1250AxFxRx
LC-1250BxQxRx
σ 0.85
4.5
nm
Optical Rise/Fall time
LC-1250AxFxRx
LC-1250BxQxRx
t
r
/t
f
0.26
0.4
ns 1
Relative Intensity Noise RIN -116 dB/Hz
Output Eye
Complies with the IEEE 802.3z/D2 specification, and is class 1
laser eye safety
Receiver
Supply Current I
CC
120 mA
Optical Input Sensitivity (Avg.)
LC-1250AxFxRx
LC-1250BxQxRx
P IN -17
-19 dBm 2
Optical Receiver saturation (Avg.) P
SAT
-3 dBm
Input Optical Wavelength
LC-1250AxFxRx
LC-1250BxQxRx
λ 830
1274
860
1355
nm
Optical Rise/Fall time
LC-1250AxFxRx
LC-1250BxQxRx
t
r
/t
f
0.36
0.5
ns 1
Signal Detect-Asserted (Avg.)
LC-1250AxFxRx
LC-1250BxQxRx
P A -17
-19 dBm
Signal Detect-De-asserted (Avg.) P D -30 dBm
Signal Detect-Hysteresis P A -P D 0.5 dB
Notes:
1. These are unfiltered 20%~80% values
2. The sensitivity is provided at a BER of 1×10
-10
or better with an input signal consisting of
1250Mb/s, 2
7
-1 PRBS and ER=9dB.