Features
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φ1.25 mm sleeve type ROSA (Receiver Optical
Sub-Assembly)
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High-speed response: 156 Mbps
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High gain with AGC (Auto Gain Control):
27 V/mW (at -30 dBm)
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Low power supply voltage: Vcc=Vpd=3.3 V
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Differential output
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Sensitivity: +2 to -38 dBm
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Optical return loss: 35 dB
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Isolation type: Housing and signal ground are
electrically isolated.
Applications
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SDH/SONET (STM-1/OC-3)
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Optical fiber communications
PHOTODIODE
ROSA type, 1.31/1.55 µm, 156 Mbps
G9809-14
InGaAs PIN photodiode with preamp
1
■ Absolute maximum ratings (Ta=25 °C)
Parameter Symbol Value Unit
Supply voltage Vcc 0, +4.5 V
Reverse voltage
(photodiode) VR7 V
Operating temperature Topr -40 to +85 *1°C
Storage temperature Ts t g -40 to +85 *1°C
*1: No condensation
■ Electrical and optical characteristics
(Ta=25 °C, Vcc=3.0 to 3.6 V, Vpd=3.0 to 5.0 V, Vee=0 V, RL=500 Ω *2, λ=1.31 µm, unless otherwise noted)
Parameter Symbol Condition Min. Typ. Max. Unit
λ=1.31 µm 0.75 0.85 -
Responsivity R λ=1.55 µm 0.80 0.90 - A/W
Photo sensitivity SPin= -30 dBm *319 27 -V/mW
Supply current Icc Dark state, RL=∞-2235mA
Cut-off frequency fc Pin= -30 dBm, -3 dB 85 120 -MHz
Low cut-off frequency fc-L Pin= -30 dBm, -3 dB - 15 - kHz
Noise equivalent power NEP Dark state, to 117 MHz *3-20 30 nW rms
Trans-impedance Tz f=20 MHz *326 31 - kΩ
Minimum receivable
sensitivity Pmin --38 -36
Maximum receivable
sensitivity Pmax
156 Mbps, NRZ,
PN=23, BER=10-10,
Extinction ratio 10 dB +1 +2 -
dBm
Output amplitude Vomax Differential - - 800 mV p-p
Output resistance Rout 25 40 100 Ω
Dark current IDDark state, RL=∞-0.05 1nA
Optical return loss ORL λ=1.31/1.55 µm 27 35 - dB
*2: Output: Capacitive coupling
This module should be used with a load resistance larger than 500 Ω.
*3: Single-ended (Vout+) measurement
InGaAs PIN photodiode with preamp
G9809-14
HAMAMATSU PHOTONICS K.K., Solid State Division
1126-1 Ichino-cho, Hamamatsu City, 435-8558 Japan, Telephone: (81) 053-434-3311, Fax: (81) 053-434-5184, http://www.hamamatsu.com
U.S.A.: Hamamatsu Corporation: 360 Foothill Road, P.O.Box 6910, Bridgewater, N.J. 08807-0910, U.S.A., Telephone: (1) 908-231-0960, Fax: (1) 908-231-1218
Germany: Hamamatsu Photonics Deutschland GmbH: Arzbergerstr. 10, D-82211 Herrsching am Ammersee, Germany, Telephone: (49) 08152-3750, Fax: (49) 08152-2658
France: Hamamatsu Photonics France S.A.R.L.: 8, Rue du Saule Trapu, Parc du Moulin de Massy, 91882 Massy Cedex, France, Telephone: 33-(1) 69 53 71 00, Fax: 33-(1) 69 53 71 10
United Kingdom: Hamamatsu Photonics UK Limited: 2 Howard Court, 10 Tewin Road, Welwyn Garden City, Hertfordshire AL7 1BW, United Kingdom, Telephone: (44) 1707-294888, Fax: (44) 1707-325777
North Europe: Hamamatsu Photonics Norden AB: Smidesvägen 12, SE-171 41 Solna, Sweden, Telephone: (46) 8-509-031-00, Fax: (46) 8-509-031-01
Italy: Hamamatsu Photonics Italia S.R.L.: Strada della Moia, 1/E, 20020 Arese, (Milano), Italy, Telephone: (39) 02-935-81-733, Fax: (39) 02-935-81-741
Information furnished by HAMAMATSU is believed to be reliable. However, no responsibility is assumed for possible inaccuracies or omissions.
Specifications are subject to change without notice. No patent rights are granted to an y of the circuits described herein. ©2005 Hamamatsu Photonics K.K.
Cat. No. KIRD1092E01
Apr. 2005 DN
2
■ Eye diagram
■ Photo sensitivity vs. average input optical power
KIRDB0290EB
■ Bit error rate
-40 -35 -30 -25 -20 -15 -10 -5 0
0.1
100
1
10
AVERAGE OPTICAL INPUT POWER (dBm)
PHOTO SENSITIVITY (V/mW)
(Typ. Ta=25 ˚C, Duty ratio 50 %, Pulse width 30 ns, λ=1.31 µm)
KIRDB0346EA
-42 -32-33-34-35-36-37-38-39-40-41
10-12
10-3
10-4
10-5
10-6
10-7
10-8
10-9
10-10
10-11
AVERAGE OPTICAL INPUT POWER (dBm)
BIT ERROR RATE
(Typ. Ta=25 ˚C, Bit rate 156 Mbps, PN=23, λ=1.31 µm)
Vout+
Vout-
Bit rate 156 Mbps, PN=23, λ=1.31 µm
Pin= -20 dBm
KIRDA0187EA
■ Dimensional outline
(unit: mm, tolerance unless otherwise noted: ±0.1)
■ Operating circuit example
KIRDC0073EA
LIGHT INPUT
COAXIAL
CABLE
TESTER
0.1 µF
Vout+
Vout-
50 Ω
50 Ω
0.1 µF
R
Vcc=3.3 V
Vee=GND
0.1 µF
AGC
50 Ω
50 Ω
Vpd=3.3 V
0.1 µF
450 Ω
450 Ω
OPTICAL
REFERENCE
PLANE
Vpd (CATHODE)
Vout-
Vout+
Vcc
Vee (GND)
5
6.2
-0.1
+0
3.9
0.63 ± 0.05
2.1
1.1 ± 0.035
(12.7)
(5 ×) 0.35 ± 0.05
4.05 ± 0.05
0.57 ± 0.05
5.8
5.8
(
5.4)
2.92 ± 0.05
6.9
-0.35
+0.3
12.05
-0.45
+0.35
2.54
60˚
