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Transimpedance Amplifiers

SL 82716

General Description

The SL82716 is 4-channel, high performance transimpedance amplifier (TIA) with integrated limiting amplifier (LA). The device was optimized for power critical optical data transport applications with respect to various transmission standards.
The SL82716 features a low input referred noise, which enables a BER of
10-12 at 3.5 Gbps for an input current of 20 App.
This allows for an optical input sensitivity of about -15 dBm if connected to a typical photodiode.
As additional feature the SL82716 integrates an input current mirror function, which allows to determine the received input power. Furthermore, the SL82716 exhibits an advanced activation function, which allows to switch the 4-channel amplifier between hibernate and active mode.
To facilitate assembly in small form factor packages the SL82716 integrates the photodiode filter network on chip.
The SL82716 chip area is less than 1.0 mm, operates from a dual 1.2 V and 2.5 V or 3.3 V power supply and is available in bare die form.

Main Features

  • Multi-bit rate capable: 500 Mbps to 3.5 Gbps

  • Integrated input current mirror function

  • Activation function

  • No external components

  • Ultra-low power: typ.25 mW at 4x 3.5 Gbps

  • Dual supply voltage: 1.2 V and 2.5 V or 3.3 V


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