TL441CNSR by Texas Instruments | SP Amplifier | Avnet AMERICAS
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TL441CNSR

Texas Instruments

SP Amp LOG Amp Dual ±8V 16-Pin SOP T/R

Manufacturer Part #: TL441CNSR

Alternate Part #: TL441CNSR


legend RoHS Compliant

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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 logarithm of the input voltage over the 30-dB input voltage range. Each half of the circuit contains two 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. The four stages may be interconnected to obtain a theoretical input voltage range of 120-dB. In practice, this permits the input voltage range typically to be greater than 80-dB with log linearity of ± 0.5-dB (see application data). Bandwidth is from dc to 40 MHz.

This circuit is useful in data compression and analog compensation. This logarithmic amplifier is used in log IF circuitry as well as video and log amplifiers.

The TL441 is characterized for operation over 0°C to 70°C.

Key Features

  • Excellent Dynamic Range
  • Wide Bandwidth
  • Built-In Temperature Compensation
  • Log Linearity (30-dB Sections)...1 dB Typ
  • Wide Input Voltage Range
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Number of Channels per Chip
    2
    Mounting
    Surface Mount
    Power Supply Type
    Dual
    Operating Temperature
    0 to 70 °C
    Rail to Rail
    No
    Maximum Dual Supply Voltage
    ±8 V
    Lead Finish
    Gold
    Maximum Supply Current
    23@6V/-10.5@-6V mA
    Max Processing Temp
    260
    Type
    Logarithmic Amplifier

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542330000
    HTSN:
    8542.33.00.01
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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    USD    $3.48621
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