G8339/G8342/G7881/G8796 series are high-speed receivers specifically developed for 1.3/1.55 µm band optical fiber communications.
These devices incorporate a high-speed, high-sensitivity InGaAs PIN photodiode and a high-speed preamp integrated in a receptacle
module. Packages are available with various connectors and mounting styles.
Features
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Wide dynamic range
G8339 series (156 Mbps) : -37 to -5 dBm
G8342 series (622 Mbps) : -32 to -5 dBm
G7881 series (1.25 Gbps) : -25 to -1 dBm
G8796 series (2.5 Gbps) : -22 to +1 dBm
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Integrated with trans-impedance amplifier
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Supply voltage
G8339/G8342 series: 3.3 V
G7881/G8796 series: 3.3 V, 5 V
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Differential output
Applications
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Optical fiber communications
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Fiber channel
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Gigabit Ethernet
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HDTV
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SDH
PHOTODIODE
InGaAs PIN photodiode with preamp
Receptacle type, 1.3/1.55 µm, 156, 622 Mbps/1.25, 2.5 Gbps
G8339/G8342/G7881/G8796 series
■ Absolute maximum ratings (Ta=25 °C)
Parameter Symbol G8339 series G8342 series G7881 series G8796 series Unit
Supply voltage Vcc -0.3, +3.8 -0.3, +3.8 -0.3, +5.5 -0.5, +6 V
Operating temperature Topr -20 to +70 °C
Storage temperature Tstg -40 to +85 °C
■ Specifications (Typ. Ta=25 °C, Vee=0 V, capacitive coupling, λ=1.31 µm, unless otherwise noted)
G8339 series G8342 series G7881 series G8796 series
Parameter Symbol Condition Vcc=3.3 V
RL=500 Ω *1
Vcc=3.3 V
RL=500 Ω *1
Vcc=3.3/5 V
RL=50 ΩVcc=3.3/5 V
RL=50 ΩUnit
Photo sensitivity S *2, *327 17 2.8 1.2 V/mW
Supply current Icc dark state, RL=∞25 30 35 35 mA
Output bias voltage Vo dark state, RL=∞1.5 1.65 Vcc - 1.7 Vcc - 0.25 V
Rise time tr *3, 20 to 80 % 2000 500 250 150 ps
Data rate B 156 M 622 M 1.25 G 2.5 G bps
*1: G8339/G8342 series cannot be operated with RL=50 Ω, so they should be used with a load resistance larger than 500 Ω.
*2: Single ended (Vout+) measurement using a single mode optical fiber with a master plug.
*3: G8339/G8342 series: Pin= -30 dBm
G7881 series: Pin= -22 dBm
G8796 series: Pin= -17 dBm
■ Package lineup
G8339/G8342/G7881/G8796
Parameter -21 -22 -23 -32 -44
Mounting style Board Panel Board & panel
Connector SC FC MU FC LC
Dimensional outline ➀➁➂➃➄
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