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TL441 - LOGARITHMIC AMPLIFIER

Description

This amplifier circuit contains four 30-dB logarithmic stages.

voltage range.

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Datasheet Details

Part number TL441
Manufacturer Texas Instruments
File Size 557.29 KB
Description LOGARITHMIC AMPLIFIER
Datasheet download datasheet TL441 Datasheet
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Full PDF Text Transcription

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TL441 LOGARITHMIC AMPLIFIER SLVS328 – OCTOBER 2000 D Excellent Dynamic Range D Wide Bandwidth N PACKAGE (TOP VIEW) D Built-In Temperature Compensation D Log Linearity (30-dB Sections) . . . 1 dB Typ D Wide Input Voltage Range CA2 VCC – CA2′ A1 1 2 3 4 16 NC 15 CB2 14 CB2′ 13 GND description Y5 12 B1 This amplifier circuit contains four 30-dB logarithmic stages. Gain in each stage is such that the output of each stage is proportional to the Y A2 VCC + 6 7 8 11 Z 10 Z 9 B2 logarithm of the input voltage over the 30-dB input voltage range. Each half of the circuit contains two NC — No internal connection of these 30-dB stages summed together in one differential output that is proportional to the sum of the logarithms of the input voltages of the two stages.
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