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參數(shù)資料
| 型號： | MFT62340A-J |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 光發(fā)射 |
| 英文描述： | FIBER OPTIC TRANSMITTER, 830-860nm, 2500Mbps, SURFACE MOUNT |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 269K |
| 代理商： | MFT62340A-J |
Data sheet
MFT62340A-J
3
Characteristics (note 1)
Parameter
Symbol
Min
Typ
Max
Unit
1
Power consumption (2.5 Gbps, Fig. 6)
PD
2.6
W
2
Power supply current
ICC
830
mA
3
CML differential input impedance (Fig. 3,4)
ZIN
80
100
120
4
Optical rise/fall time (20-80%)
tRO, tFO
130
ps
5
Average ber output power per channel
50/125
m ber, NA=0.2 (note 2)
PF
-7
-2
dBm
6
Jitter
Total (note 3)
TJ
120
psp-p
7
Contribution
Deterministic (note 4)
DJ
48
psp-p
8
Optical wavelength
λ
830
840
860
nm
9
Spectral width
λ
0.85
nm
10
Relative Intensity Noise
RIN
-118
dB/Hz
11
Extinction ratio (note 5)
ER
3
dB
12
Optical Modulation Amplitude (note 6)
OMA
0.24
mW
13
Channel skew (note 7)
tSK
175
ps
14
NMOS output voltage
Low (Isink = 3mA)
VLNMOS
0.4
V
15
High
VHNMOS
2.4
V
16
Transmitter Enable
(TX_EN) (g. 8)
Assert time
TAE
10
s
17
De-assert time
TDE
10
s
18
Transmitter Ready (TX_R) assert time (g. 9)
TAR
100
ms
19
Laser Safety
Shutdown
(note 8, Fig. 10)
Laser de-assert time
TDL
1
100
s
20
Laser assert time
TAL
20
s
Note 1:
Operating conditions are as per Recommended Operating Conditions. Test pattern PRBS-23 at 2.5Gbps with
50/125
m ber unless otherwise specied.
Note 2:
The optical output power is compliant with IEC 60825-1 Amendment 2, Class 1M Accessible Emission Limits (AEL)
Note 3:
Total Jitter, TJ, equals TP1 to TP2 as dened in IEEE 802.3 (2000 Edition) Gigabit Ethernet Specication Clause 38.5
Total jitter is specied at a BER of 10-12 (TJ=DJ+RJrms x 2Q, where Q=7 for BER 10
-12 and RJ=Random Jitter).
Note 4:
Deterministic jitter includes duty cycle distortion and is measured with zero skew between the differential data
inputs.
Note 5:
Extinction ratio is measured with a PRBS-23 pattern at 622Mbps.
Note 6:
OMA corresponding to Paverage = -7dBm and ER = 6dB.
Note 7:
Optical channel skew is measured with the input signals having equal amplitude and no input electrical channel skew.
Note 8:
An activity detector monitors the data input on each of the electrical input channels of the transmitter. If there are no
data transitions on a channel within a certain time (TDL), the channel’s laser will be automatically turned off.
This prevents potential non eye-safe conditions caused by the laser being stuck in the “on” state. The channel will
resume normal operation automatically once activity is again detected.
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