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TZA3036

SDH/SONET STM1/OC3 transimpedance amplifier

Philips Electronics 

TZA3036

SDH/SONET STM1/OC3 transimpedance amplifier

Rev. 01 — 24 March 2006

Product data sheet

1. General description

The TZA3036 is a transimpedance amplifier with Automatic Gain Control (AGC), designed

to be used in STM1/OC3 fiber optic links. It amplifies the current generated by a photo

detector (PIN diode or avalanche photodiode) and converts it to a differential output

voltage. It offers a current mirror of average photo current for RSSI monitoring to be used

in SFF-8472 compliant modules.

The low noise characteristics makes it suitable for STM1/OC3 applications, but also for

FTTx applications.

CAUTION

This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken

during transport and handling.

2. Features

I Low equivalent input noise, typically 12 nA (RMS)

I Wide dynamic range, typically 0.18 µA to 1.5 mA (p-p)

I Differential transimpedance of 69 kΩ (typical)

I Bandwidth from DC to 160 MHz (typical)

I Differential outputs

I On-chip (AGC) with possibility of external control

I Single supply voltage 3.3 V; range 2.9 V to 3.6 V

I Bias voltage for PIN diode

I On-chip current mirror of average photo current for RSSI monitoring

I Identical ports available on both sides of die for easy bond layout and RF polarity

selection

3. Applications

I Digital fiber optic receiver modules in telecommunications transmission systems, in

high speed data networks or in FTTx systems.

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