对数放大器和限幅放大器

ADI公司的高增益限幅放大器集成电路(IC)适于SFP/SFF/GBIC数据通信和电信光收发模块,并且能为接收器提供量化、信号丢失检测以及符合SFF-8472标准的平均功率测量的功能。其应用包括1x2x4x 光纤通道,10 GBASE-LX4,多速率SONET/SDH OC3~OC48的前向纠错编码(FEC)和吉比特以太网(GbE)。ADI公司的高增益限幅放大器具有低功耗、高灵敏度和低抖动得特性。

Circuit from the lab 已完成设计、测试,可供立即集成

产品选型表

Fiber Optic Log/Limiting Amplifiers

Part#DNR (dB)SDOUT Response Time (µs)Vsupply span (min)Vsupply span (max)Isupply (typ)
ADL5303 160 1 ns 3 5.5 4.5 mA
ADL5304 200 0.5 µs 4.5 10.5 20.8 mA
ADL5310Reference Circuit Available 120 1 µs 3 10 9.5 mA
ADL5306Reference Circuit Available 60 1 µs 3 10 5.4 mA
AD8305Reference Circuit Available 100 1 µs 3 10 5.4 mA
AD8304Reference Circuit Available 160 500 ns 3 10 4.5 mA
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Fiber Optic Limiting Amplifiers

Part#Voltage Supply (V)Max Data RateInput Sensitivity (mVp-p)Output Levels (mVpp diff)Jitter (rms)Power Dissipation (typ)LOSBW SelectRSSISquelch
ADN2892 3.3 4.25 Gbps 3 mV p-p 700 mV p-p 5 ps rms 160 mW 3mV to 45mV X X -
ADN2891 3.3 3.2 Gbps 4 mV p-p 700 mV p-p 4 s rms 145 mW 3.5mV to 35mV - X X
ADN2890 3.3 3.2 Gbps 3 mV p-p 700 mV p-p 2.4 s rms 130 mW 3mV to 12mV - X X
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Current Mirrors

Part#Isupply (max)DNR (dB)Nonlinearity (%)Input/Output Mirror RatioVoltage Range (V)
ADL5315Reference Circuit Available 1.8 mA 120 0.5 1:1 2.7-8
ADL5317Reference Circuit Available 2.3 mA 120 1 5:1 6-75
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