40G Balanced photodetector Balanced Photodetector U2T (Finisar) BPRV2225/ BPRV2125A
The balanced photoreceiver is double fiber tail fiber input,rate 43Gbps,can be applied to DPSK system;RF interface GPPO,differential output; differential conversion gain 2800V/W,3dB cut-off frequency 31GHz,typical output voltage swing 600mV[BPRV2125A] or 550mV[BPRV2125] under the datasheet conditions. The balanced photoreceiver module BPRV2125(A) is a differential front-end for 43Gbits/s DPSK-applications featuring high differential gain. The photo-receiver module contains two waveguide-integrated PIN photodiode (PD) and a single chip and limiting amplifier (LA) within one small form factor SMD-package. The Receiver is therefore well suited for DPSK and DQPSK applications at 40G and 100G with rates between 20G and 56GBaud. The DC output voltage can be monitored for OUTN and OUTP independently. For each amplifier path a threshold control at a linear amplification stage should be applied to ensure an optimized differential output signal. An excellent electrical and optical phase propagation is achieved by a total skew of lower than 5ps between the balanced signal paths.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Storage temperature range T_stg [Absolute Maximum Ratings / Non condensing] | min:-40 °C；max:+85 °C |
| Photo diode bias voltage V_PD1,2 [Absolute Maximum Ratings] | min:0 V；max:+3.5 V |
| Amplifier supply voltage V_EE [Absolute Maximum Ratings] | min:-5.5 V；max:+0.3 V |
| Amplifier adjustment voltage V_ADJ [Absolute Maximum Ratings] | min:-5.5 V；max:+0.3 V |
| Amplifier threshold control voltage V_THCP,N [Absolute Maximum Ratings] | min:-7.0 V；max:+7.0 V |
| Maximum average optical input power P_opt [Absolute Maximum Ratings / NRZ,per input port] | max:9 dBm |
| Electro static discharge V_ESD [Absolute Maximum Ratings / C=100pF,R=1.5kΩ HBM] | min:-500 V；max:500 V |
| Fiber bend radius [Absolute Maximum Ratings] | min:16 mm |
| Operating case temperature range T_case [Operation Conditions] | min:0 °C；max:+75 °C |
| Relative humidity range RH [Operation Conditions / non condensing] | min:5 %；max:85 % |
| Operating wavelength range λ [Operation Conditions] | min:1530 nm；max:1620 nm |
| Average optical input power range P_opt [Operation Conditions / NRZ,per input port] | min:-10 dBm；max:4 dBm |
| Photo diode bias voltage V_PD [Operation Conditions] | min:2.0 V；typical:2.25 V；max:2.75 V |
| Amplifier supply voltage V_EE [Operation Conditions] | min:-5.3 V；typical:-5.2 V；max:-4.8 V |
| Differential conversion gain CG [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / Measurements performed in single-ended conditions / Measured using Agilent86030A50GHz Lightwave component analyzer] | min:2000 V/W；typical:2800 V/W |
| Photodiode DC responsivity R [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / optimum polarization] | min:0.5 A/W；typical:0.6 A/W；max:0.75 A/W |
| Polarization dependent loss PDL [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C] | typical:0.4 dB；max:0.6 dB |
| Optical return loss ORL [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C] | min:27 dB；typical:30 dB |
| Bit rate [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / NRZ,DPSK] | typical:43 Gbit/s |
| 3dB cut-off frequency f_3dB [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / Measured using Agilent86030A50GHz Lightwave component analyzer] | min:27 GHz；typical:31 GHz |
| Lower frequency cut off f_3dB_L [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C] | max:100 kHz |
| Electrical output reflection coefficient S_22 [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / f=0.5 to15 (first subrow; no separate frequency unit printed) / Measured using Agilent86030A50GHz Lightwave component analyzer] | max:-10 dB |
| Differential output voltage swing V_out_diff [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / P_opt≥0dBm / negative CML / Measurements performed in single-ended conditions] | typical:600 mV |
| Pulse width [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / Input pulse1ps,50MHz,optical power set below saturation level of TIA,test in linear range of receiver] | typical:15 ps；max:25 ps |
| Skew [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C] | typical:1 ps；max:2 ps |
| Equivalent input noise density i_noise [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C] | max:80 pA/√Hz |
| Sensitivity Sens [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / Measurements performed in single-ended conditions / Evaluated from NRZ BER measurement at40Gbit/s(BER≤10⁻¹²,PRBS2³¹-1,back to back,DPSK)] | typical:-10 dBm |
| Amplifier supply current I_EE [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C] | typical:85 mA；max:100 mA |
| Photodiode dark current I_dark [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C / per PD] | typical:5 nA；max:300 nA |
| Power consumption P_con [V_PD1=V_PD2=+2.25V,V_EE=-5.2V,V_adj=-2.4V,λ=1550nm,T=25°C] | typical:0.45 W；max:0.6 W |
Applications
Key Features
Datasheet
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