HAMAMATSU PHOTONICS K.K., Solid State Division
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Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2008 Hamamatsu Photonics K.K.
Cat. No. KPIC1048E05
Mar. 2008 DN
Transmitter/receiver photo IC for optical link
L8628-01B, S8627-01B
2
■ Electrical and optical characteristics (Ta= -40 to +85 °C, Vcc= 4.75 to 5.25 V)
Parameter Symbol Condition Min. Typ. Max. Unit
Current consumption Icc Vin= 2.0 V, Rcont=13.5 kΩ--40mA
Peak emission wavelength λp630 650 670 nm
Spectral half width (FWHM) ∆λ -2030nm
Fiber coupled optical power 1 Po1 Rcont=13.5 kΩ *6, *7-8.5 --2.5 dBm
Fiber coupled optical power 2 Po2 Rcont=27 kΩ *6, *7-11.8 - -5.2 dBm
Extinction ratio re 10 - - dB
Rise time at pulse drive tr 20 to 80 % *6--6.0ns
Fall time at pulse drive tf 80 to 20 % *6- - 6.0 ns
Pulse width variation tpwv 50 % *6, *820.9 - 24.3 ns
Pulse width distortion (average value) tapwd 50 % *6, *8-0.5 -+1.5 ns
*6: Measured with input signals conforming to SP1 MOST specification of physical layer rev. 1.0.
*7: Average value measured with a plastic fiber (φ1 mm, SI-POF, NA=0.5, 1 m) made by Mitsubishi Rayon.
*8: Measured with BiPhase PRBS at 45.2 Mbps (NRZ signal conversion).
NOTE) • A bypass capacitor (0.1 µF) connected between Vcc and GND at a position within 3 mm from the lead, and a 10 µF
capacitor is also connected to the power supply line nearby.
• The optical axis of the package lens is exactly aligned with the center axis of the optical plug, and the gap
between the lens surface and the optical reference plane of the plug is 0.1 mm.
■ Dimensional outlines (unit: mm)
L8628-01B
■ Mode output waveform
KPICC0095EA
■ Output waveform example
tso tos
Voh
Vmh
Vol
INPUT SIGNAL DATA
OPTICAL INPUT NO INPUT SIGNAL
MODE OUTPUT
OUTPUT VOLT A GE OUTPUT DATA
Vml
S8627-01B
2.032.94
5.92
(2 ×) d = 0.8 ± 0.05
7.2 ± 0.2
(INCLUDING BURR)
8.98 ± 0.2
(INCLUDING BURR)
5.9 ± 0.2
(INCLUDING BURR)
(18.0)
5.1
2.54
(4 ×) 0.5 ± 0.05
2.54
(SPECIFIED AT THE LEAD ROOT) (SPECIFIED AT THE LEAD ROOT)
2.54
2.45
3.7 ± 0.05
1.07
a’
a
1.27
(4 ×) 0.25 ± 0.05
1.50
(2 ×) 10˚
(2 ×) 10˚ 2.85
2.72
1.57
0.97
2.0 DEPTH 0.15 MAX.
0.6
2.92
1.8
1.24
0.2
0.66
(2 ×) 5˚
0.05
+ 0.05
a-a’ CROSS SECTION
0.23
- 0.03
Pin No. S8627-01B
Vcc
GND
MODEOUT
Vout
L8628-01B
V
IN
GND
Vcc
Cont
2.03 2.94
5.92
(2 ×) d = 0.8 ± 0.05
7.2 ± 0.2
(INCLUDING BURR)
8.98 ± 0.2
(INCLUDING BURR)
5.9 ± 0.2
(INCLUDING BURR)
(18.0)
5.1
2.54
(4 ×) 0.5 ± 0.05
2.54 2.54
2.45
3.7 ± 0.05
1.07
a’
a
1.27
EMITTING POINT ACTIVE
AREA
Tolerance unless otherwise
noted: ±0.1, ±2˚
R0.3 MAX.
Values in parentheses indicate
reference value.
Lead surface finish: Silver plating
Shaded area indicates burr.
KPICA0046ED
L8628-01B
Vertical axis: 1 V/div., Horizontal axis: 5 ns/div.
(Ta=25 °C, Vcc=5.25 V, Pi= -26 dBm,
RL=50 kΩ, CL=15 pF, 45.2 Mbps)