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ADN2820ACHIPS

10.7 Gbps的速率, 3.3V ,低噪声, TIA与平均功率MONITER 10.7 Gbps, 3.3V, Low Noise, TIA with Average Power Moniter

Product Details

The ADN2820 is a compact, high performance SiGe transimpedance amplifier TIA optimized for 10 Gbps metro access and Ethernet applications. It is a single-chip solution for detecting photodiode current with a high gain differential output voltage for use in any optical module. With exceptionally low input noise and a high transimpedance, the ADN2820 can directly drive a CDR or transceiver without need of an external post amplifier. Not only is overall performance augmented by the elimination of noise contribution from the post amplifier, but design complexity is simplified and manufacturability improved with reduced space and power consumption. The feature set of the ADN2820 includes functionality previously found in post amplifiers, providing the same level of flexibility as more complex solutions. Slice offset adjust is included to minimize duty cycle distortion, while an analog power monitor is incorporated to enable loss of power alarms.

The ADN2820 operates from a single power supply at +3.3V. It is available in die form.

### Features and Benefits

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Technology: high performance SiGe
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Bandwidth: 9 GHz
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Input noise current density: 1.0 µA

Optical sensitivity: -19.3 dBm

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Differential transimpedance: 5000 V/A
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Input current overload: 2.8 mA p-p
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Power dissipation: 200 mW
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Linear input range: 0.15 mA p-p
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Output resistance: 50 Ω/side
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Output offset adjustment range: 240 mV
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Average input power monitor: 1 V/mA
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Die size: 0.87 mm x 1.06 mm

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