TPA8304 - 140dB Range Logarithmic Converter

Name: TPA8304
SKU: TPA8304-1579656

3PEAK

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Datasheet Details

Part number	TPA8304
Manufacturer	3PEAK
File Size	500.78 KB
Description	140dB Range Logarithmic Converter
Datasheet	TPA8304-3PEAK.pdf

TPA8304 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 |