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Transimpedance Amplifiers

SL 82015

The SL82015 is a multi-rate, high performance transimpedance amplifier (TIA) with integrated limiting amplifier (LA) for silicon photodiodes. Together with its VCSEL-driver counterpart (SL82020), the SL82015 was optimized for power critical optical data transport applications with respect to various transmission standards.
The SL82015 features a low input referred noise, which enables a BER of 10-12 at 1.5 Gb/s for an input current of 10 µApp.
This allows for an optical input sensitivity of about -16 dBm if connected to a typical photodiode.
As additional feature the SL82015 integrates a sophisticated wake-up circuit, which at idle states sets the receiver into “Sleep Mode”-operation with less than 1 µA supply current.
To facilitate assembly in small form factor packages the SL82015 integrates the photodiode filter network on chip.
The SL82015 chip area is less than 0.5 mm˛, operates from a dual 1.2 V and 2.5 V power supply and is available in bare die form.

Main Features

  • Multi bit rate capable: up to 1.5 Gbps

  • Suitable for Si-Photodiode

  • Ultra-low power: typ. 9 mW at 1.25 Gb/s

  • Sensitivity: -16 dBm (BER 10-12, Jpp= 40 ps)

  • No external components

  • Dual supply voltage: 1.2 V and 2.5 V


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