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TL441

Features: ·Excellent Dynamic Range·Wide Bandwidth ·Built-In Temperature Compensation ·Log Linearity (30-dB Sections)...1 dB Typ·Wide Input Voltage RangePinoutSpecificationsSupply voltages (see Note 1): VCC.......................................................+ 8 V VCC ..............................

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SeekIC No. : 004520187 Detail

TL441: Features: ·Excellent Dynamic Range·Wide Bandwidth ·Built-In Temperature Compensation ·Log Linearity (30-dB Sections)...1 dB Typ·Wide Input Voltage RangePinoutSpecificationsSupply voltages (see Note ...

TL441 Data Sheet

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Part Number:
TL441
Supply Ability:
5000

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  • 1~5000
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Product Details

Description



Features:

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




Pinout

Connection Diagram


Specifications

Supply voltages (see Note 1): VCC.......................................................+ 8 V
                                                VCC .................................................. 8 V
Input voltage (see Note 1) .....................................................................6 V
Output sink current (any one output) ................................................30 mA
Package thermal impedance, JA (see Notes 2 and 3) .....................67/W
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds........ 260
Storage temperature range, Tstg .........................................65 to 150

† Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the
   device. These are stress ratings only, and functional operation of the device at these or any other
   conditions  beyond those indicated under "recommended operating conditions" is not implied. Exposure
    to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. All voltages, except differential out voltages, are with respect to network ground terminal.
             2. Maximum power dissipation is a function of TJ(max), JA, and TA. The maximum allowable 
                 power dissipation at any allowable ambient temperature is PD = (TJ(max) TA)/JA. Operating at
                 the absolute maximum TJ of 150 can affect reliability.
            3. The package thermal impedance is calculated in accordance with JESD 51-7.


Description

This TL441 amplifier circuit contains four 30-dBlogarithmic 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 to 70.




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