SFBD-1250B4Q1R
DELTA ELECTRONICS, INC.
3 Revision:
S0
04/12/2007
www.deltaww.com
Note (5). Transmitter eye mask definition
4. Specification of Receiver
Parameter
Symbol
Min.
Typ.
Max.
Unit
Note
Input Optical Wavelength
λ
IN
1260 1310 1360 nm
PIN-PD
Receiver Sensitivity
P
IN
-23
dBm Note
(1)
Input Saturation Power (Overload)
P
SAT
-3 dBm
Signal Detect -Assert Power
P
A
-24
dBm
Signal Detect -Deassert Power
P
D
-44 dBm
Note
(2)
Signal Detect Hysteresis
P
A
-P
D
0.5 2 5 dB
Data Output Rise/Fall time
t
r
/t
f
260
ps
Note
(3)
Optical Receiver Reflectance
-12
dB
Note (4)
1550 to 1560nm
-33
dB
Optical Isolation
from External
Source
1640 to 1665nm
-33
dB
Note (1). Measured with Light source 1490nm, ER=9dB; BER =<10
-12
@PRBS=2
7
-1 NRZ
Note (2). When SD deasserted, the data output is Low-level (fixed)
Note (3). These are 20%~80% values.
Note (4). Measured at wavelength of 1310nm.
5. Electrical Interface Characteristics
Parameter
Symbol
Min.
Typ.
Max.
Unit
Note
Transmitter
Total Supply Current
I
CC
A
mA
Note
(1)
Differential line input Impedance
R
IN
90
100
110
Ohm
Differential Data Input Swing
V
DT
400 1600
mV
p-p
Note
(2)
Transmitter Disable Input-High
V
DISH
2 V
CC
V
Transmitter Disable Input-Low
V
DISL
0 0.8 V
LVTTL
Receiver
Total Supply Current
I
CC
B
mA
Note
(1)
Differential Data Output Swing
V
DR
400
800
1200
mV
p-p
Note
(2)
Signal Detect Output Voltage-High
V
LOSH
2
Vcc+0.3
V
Signal Detect Output Voltage-Low
V
LOSL
0 0.8 V
Note (3)
1
0
X1
X2
1-X2 1-X1
1+ Y 3
1
1-Y1
0.5
Y1
0
-Y2
Normalized Time
N
ormalized Amplitud
e