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TZA3026 - SDH/SONET STM4/OC12 transimpedance amplifer

Description

The TZA3026 is a transimpedance amplifier with Automatic Gain Control (AGC), designed to be used in STM4/OC12 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.

Features

  • s s s s s s s s s s Low equivalent input noise current, typically 67 nA (RMS) Wide dynamic range, typically 0.85 µA to 1.5 mA (p-p) Differential transimpedance of 14 kΩ (typical) Bandwidth from DC to 650 MHz (typical) Differential outputs On-chip AGC with possibility of external control Single supply voltage 3.3 V, range 2.9 V to 3.6 V Bias voltage for PIN diode Current output of average photo current for RSSI monitoring Identical ports available on both sides of die for easy bond layout and RF.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TZA3026 Rev. 01 — 2 May 2005 www.DataSheet4U.com SDH/SONET STM4/OC12 transimpedance amplifier Product data sheet 1. General description The TZA3026 is a transimpedance amplifier with Automatic Gain Control (AGC), designed to be used in STM4/OC12 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 SFF8472 compliant modules. The low noise characteristics makes it suitable for STM4/OC12 applications, but also for FTTx applications. 2. Features s s s s s s s s s s Low equivalent input noise current, typically 67 nA (RMS) Wide dynamic range, typically 0.85 µA to 1.
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