HFBR-1521Z 查看數據表（PDF） - Avago Technologies
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HFBR-1521Z Datasheet PDF : 18 Pages
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5 MBd Link (HFBR-15X1Z/25X1Z)
System Performance 0 to 70°C unless otherwise specified.
Parameter
Symbol Min. Typ. Max. Units Conditions Ref.
High
Data Rate
dc
5 MBd BER ≤10-9, PRBS:27-1
Performance Link Distance
5 MBd
(Standard Cable)
19
27 48
m IFdc = 60 mA
m IFdc = 60 mA, 25°C
Fig. 3
Note 3
Link Distance
22
m IFdc = 60 mA
Fig. 4
(Improved Cable)
27 53
m IFdc = 60 mA, 25°C
Note 3
Propagation
tPLH 80 140 ns RL = 560 Ω, CL = 30 pF
Fig. 5, 8
Delay
tPHL
50 140 ns fiber length = 0.5 m
Notes 1, 2
-21.6 ≤PR ≤-9.5 dBm
Pulse Width
tD 30 ns PR = -15 dBm
Fig. 5, 7
Distortion tPLH-tPHL RL = 560 Ω, CL = 30 pF
Notes:
1. The propagation delay for one metre of cable is typically 5 ns.
2. Typical propagation delay is measured at PR = -15 dBm.
3. Estimated typical link life expectancy at 40°C exceeds 10 years at 60 mA.
Figure 2. Typical 5 MBd interface circuit
100
50
40
OVERDRIVE
30
UNDERDRIVE
20
10
5
0
0°C–70°C
25°C
10
20
30
40
50
– CABLE LENGTH – METRES
Figure 3. Guaranteed system performance with
standard cable (HFBR-15X1Z/25X1Z)
5
100
50
40
OVERDRIVE
30
UNDERDRIVE
20
10
5
0
0°C–70°C
25°C
10
20
30 40
50 60
– CABLE LENGTH – METRES
Figure 4. Guaranteed system performance with
improved cable (HFBR-15X1Z/25X1Z)
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