TPA8304 - 140dB Range Logarithmic Converter

Product Overview

3PEAK

Datasheet Details

Part number	TPA8304
Manufacturer	3PEAK
File Size	500.78 KB
Description	140dB Range Logarithmic Converter
Datasheet	TPA8304 Datasheet
Additional preview pages of the TPA8304 datasheet.

Product details

Description

The TPA8304 is a logarithmic detector optimized for the measurement of low frequency signal power in fiber optic systems and offers a large dynamic range.

Features

7 full decades of range: 1nA to 10mA.
Law conformance error: 0.2 dB from 10nA to 10mA.
Fast step response: raising 0.2μs, falling 5μs for 10nA to 10μA input on INPT.
Basic logarithmic intercept at 100 pA.
Logarithmic slope of 200 mV/20dB (at the VLOG pin).
Optimized for fiber optic photodiode interfacing.
Single-supply operation: 4.5 V to 5.5 V.
Power down mode.

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Published: Jun 3, 2025 |