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Semtech GN1032
2.5Gb/s Transimpedance Amplifier with Automatic Gain Control
Gennum's GN1032W is
a fully integrated, silicon germanium transimpedance amplifier; providing wideband, low
noise pre-amplification of signal current from a photodetector.
It features differential outputs, and incorporates an automatic gain control mechanism to increase dynamic
range, allowing input signals up to 2.6 mA peak. A decoupling capacitor on the supply is the only external
circuitry required.
Features
Single +3.3 V power supply
Power dissipation = 145 mW (typ)
Input noise current = 250 nA rms
Transimpedance gain = 3.6 kΩ into a 100Ω load (differential)
100Ω (differential) outputs
Bandwidth (-3 dB) = 2.05 GHz
Wide data rate range = 155 Mb/s to 2.5 Gb/s
Operating junction temperature range = -40°C to +125°C
Applications
SONET/SDH-based transmission systems, test equipment and modules
OC-48 fibre optic modules and line termination
ATM over SONET/SDH
Gigabit Ethernet
2x Fibre Channel
Order Codes
Part No Package
GN1032W-CHIP Waffle Pack (400pcs)
GN1032W-COT Reel (4800pcs)
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