G9803/G9842 series are high-speed receivers specifically developed for 0.85 µm band optical fiber communications. These devices
incorporate a high-speed, high-sensitivity GaAs PIN photodiode integrated with a high-speed preamp, allowing easy connection to a
latter-stage circuit. Lens window types are also available for efficient and easy coupling to an optical fiber.
Features
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High-speed response
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High gain with AGC (Auto Gain Control)
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Low power supply voltage: 3.3 V
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Differential output
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Sensitivity:
-26 to 0 dBm (G9803 series)
-24 to 0 dBm (G9842 series)
Applications
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Optical fiber communications
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IEEE1394
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Fiber channel
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Gigabit Ethernet
PHOTODIODE
GaAs PIN photodiode with preamp
TO-46 package, 0.85 µm, 1.25, 2.5 Gbps
G9803/G9842 series
■ General ratings / Absolute maximum ratings
Parameter Symbol G9803 G9803-02 G9842 G9842-02 Unit
Window - flat lens flat lens -
Active area -φ0.08 mm
Supply voltage Vcc -0.5, +5.0 V
Operating temperature *1Topr -40 to +85 °C
Storage temperature *1Tstg -40 to +85 °C
*1: No condensation
■ Electrical and optical characteristics
(Typ. Ta=25 °C, Vcc=3.3 V, Vee=0 V, RL=50 Ω *2, λ=850 nm, unless otherwise noted)
G9803 series G9842 series
Parameter Symbol condition Min. Typ. Max. Min. Typ. Max. Unit
Photo sensitivity S Pin= -20 dBm *2, *31.2 1.7 - 0.7 1.0 - V/mW
Supply current Icc Dark state, RL=∞-45 60 -45 60 mA
Output bias voltage Vo Dark state, RL=∞-3.0- -3.0- V
Cut-off frequency fc Pin= -20 dBm, -3 dB *20.85 1 - 1.7 2.1 -GHz
low cut-off frequency fc-L Pin= -20 dBm, -3 dB - 3.5 - - 3.0 - kHz
Noise equivalent power NEP Dark state, *2, *3, *4-250 400 -440 710 nWrms
Minimum receivable
sensitivity Pmin - -26 -24 - -24 -22
Maximum receivable
sensitivity Pmax
PRBS=2
23
-1, BER=10
-10
Extinction ratio=10 dB, *
5
0 - - 0 - -
dBm
Output impedance Rout 40 50 60 40 50 60 Ω
*2: Output: capacitive coupling
*3: Single-ended (Vout+) measurement
*4: to 938 MHz (G9803 series), to 1875 MHz (G9842 series)
*5: 1.25 Gbps (G9803 series), 2.5 Gbps (G9842 series)
1
GaAs PIN photodiode with preamp G9803/G9842 series
■ Dimensional outlines (unit: mm)
KGPDA0026EA
G9803, G9842
KGPDA0027EA
G9803-02, G9842-02
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 inaccur acies or omissions .
Specifications are subject to change without notice. No patent rights are granted to any of the circuits described herein. ©2005 Hamamatsu Photonics K.K.
Cat. No. KGPD1015E01
Feb. 2005 DN
2
Vout +
Vcc
Vout -
Vee (CASE)
(13)
1.65
2.7
(4 ×) 0.45 ± 0.1
LEAD
4.7
5.4
PHOTOSENSITIVE
SURFACE
WINDOW
3.0
2.54 ± 0.25
(1.0)
(45˚)
(1.0)
(13) 0.65 ± 0.15
3.8
(4 ×) 0.45 ± 0.1
LEAD
4.65 ± 0.1
5.4
LENS ( 1.5)
Vout +
Vcc
Vout -
Vee (CASE)
2.54 ± 0.25
(1.0)
(45˚)
(1.0)
