HFBR-1312T Просмотр технического описания (PDF) - Avago Technologies
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HFBR-1312T Datasheet PDF : 9 Pages
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HFBR-1312T Transmitter Electrical/Optical Characteristics
0° C to 70° C unless otherwise specified
Parameter
Symbol Min.
Typ.[1] Max.
Forward Voltage
VF
1.1
1.4
1.7
1.5
Forward Voltage Temperature
VF/T
-1.5
Coefficient
Reverse Input Voltage
Center Emission Wavelength
Full Width Half Maximum
VR
C
FWHM
1
1270
4
1300
130
1370
185
Diode Capacitance
Optical Power Temperature
Coefficient
CT
PT/T
16
-0.03
Thermal Resistance
JA
260
Unit
V
mV/°C
V
nm
nm
pF
dB/°C
°C/W
Condition
IF = 75 mA
IF = 100 mA
IF = 75 – 100 mA
IR = 100 A
Ref.
Fig. 3
VF = 0 V, f = 1 MHz
IF = 75 - 100 mA DC
Note 2
HFBR-1312T Transmitter Output Optical Power and Dynamic Characteristics
Condition
Parameter
Peak Power
62.5/125 m
NA = 0.275
Symbol Min.
Typ.[1]
Max.
Unit
TA
IF, peak
Ref.
PT62
-16.0
-14.0
-12.5
dBm
25° C
75 mA
Notes 3, 4, 5
-17.5
-11.5
0-70° C 75 mA
Fig. 4
-15.5
-13.5
-12.0
25° C
100 mA
-17.0
-11.0
0-70° C 100 mA
Peak Power
50/125 m
NA = 0.20
PT50
-19.5
-17.0
-14.5
dBm
25° C
75 mA
Notes 3, 4, 5
-21.0
-13.5
0-70° C 75 mA
Fig. 4
-19.0
-16.5
-14.0
25° C
100 mA
-20.5
-13.0
0-70° C 100 mA
Optical Overshoot
OS
5
10
%
0-70° C 75 mA
Note 6
Fig. 5
Rise Time
tr
1.8
4.0
ns
0-70° C 75 mA
Note 7
Fig. 5
Fall Time
tf
2.2
4.0
ns
0-70° C 75 mA
Note 7
Fig. 5
Notes:
1. Typical data are at TA = 25° C.
2. Thermal resistance is measured with the transmitter coupled to a connector assembly and mounted on a printed circuit board; JC < JA.
3. Optical power is measured with a large area detector at the end of 1 meter of mode stripped cable, with an ST* precision ceramic ferrule
(MILSTD-83522/13), which approximates a standard test connector. Average power measurements are made at 12.5 MHz with a 50% duty cycle
drive current of 0 to IF,peak; IF,average = IF,peak/2. Peak optical power is 3 dB higher than average optical power.
4. When changing from W to dBm, the optical power is referenced to 1 mW (1000 W). Optical power P(dBm) = 10*log[P(W)/1000W].
5. Fiber NA is measured at the end of 2 meters of mode stripped fiber using the far-field pattern. NA is defined as the sine of the half angle, determined
at 5% of the peak intensity point. When using other manufacturer’s fiber cable, results will vary due to differing NA values and test methods.
6. Overshoot is measured as a percentage of the peak amplitude of the optical waveform to the 100% amplitude level. The 100% amplitude level is
determined at the end of a 40 ns pulse, 50% duty cycle. This will ensure that ringing and other noise sources have been eliminated.
7. Optical rise and fall times are measured from 10% to 90% with 62.5/125 m fiber. LED response time with recommended test circuit (Figure 3) at
25 MHz, 50% duty cycle.
8. 2.0 mm from where leads enter case.
5
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