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G8341 Datasheet(PDF) 1 Page - Hamamatsu Corporation |
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G8341 Datasheet(HTML) 1 Page - Hamamatsu Corporation |
1 / 2 page G8338/G8341/G7871/G8795 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 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 l Wide dynamic range G8338 series (156 Mbps) : -37 to -5 dBm G8341 series (622 Mbps) : -32 to -5 dBm G7871 series (1.25 Gbps) : -25 to -1 dBm G8795 series (2.5 Gbps) : -22 to +1 dBm l Integrated with trans-impedance amplifier l Active area G8338/G7871 series: f0.08 mm G8341/G8795 series: f0.04 mm l Supply voltage G8338/G8341 series: 3.3 V G7871/G8795 series: 3.3 V, 5 V l Differential output Applications l Optical fiber communications l Fiber channel l Gigabit Ethernet l HDTV l SDH PHOTODIODE InGaAs PIN photodiode with preamp TO-18 package, 1.3/1.55 mm, 156, 622 Mbps/1.25, 2.5 Gbps G8338/G8341/G7871/G8795 series s Absolute maximum ratings (Ta=25 °C) Parameter Symbol G8338 G8338-02 G8341 G8341-02 G7871 G7871-02 G8795 G8795-02 Unit Supply voltage Vcc -0.3, +3.8 -0.3, +3.8 -0.3, +5.5 -0.5, +6 V Operating temperature Topr -40 to +85 °C Storage temperature Tstg -40 to +85 °C s Specifications (Typ. Ta=25 °C, Vee=0 V, capacitive coupling, λ=1.31 µm, unless otherwise noted) G8338 G8338-02 G8341 G8341-02 G7871 G7871-02 G8795 G8795-02 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 Ω Vcc=3.3/5 V RL=50 Ω Unit Dimensional outline - ➀ ➁➀➁ ➂ ➃➀ ➁ - Window - flat lens flat lens flat lens flat lens - Active area A φ0.08 φ0.04 φ0.08 φ0.04 mm Photo sensitivity S * 2, *3 27 17 2.8 1.2 V/mW Supply current Icc dark state, RL= ∞ 25 3035 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: G8338/G8341 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. *3: G8338/G8341 series: Pin= -30 dBm G7871 series: Pin= -22 dBm G8795 series: Pin= -17 dBm 1 |
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