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TL441-EP Datasheet(PDF) 3 Page - Texas Instruments |
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TL441-EP Datasheet(HTML) 3 Page - Texas Instruments |
3 / 18 page TL441EP LOGARITHMIC AMPLIFIER SGLS268 − OCTOBER 2004 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 ABSOLUTE MAXIMUM RATINGS OVER OPERATING FREE-AIR TEMPERATURE RANGE (unless otherwise noted)† TL441−EP VCC+ Supply voltages (see Note 1) 8 V VCC− Supply voltages (see Note 1) −8 V Input voltage (see Note 1) 6 V Output sink current (any one output) 30 mA θJA Package thermal impedance (see Notes 2 and 3) 83 °C/W Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C Tstg Storage temperature range (see Note 4) −65 °C to 150°C † 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), θJA, and TA. The maximum allowable power dissipation at any allowable ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability. 3. The package thermal impedance is calculated in accordance with JESD 51-7. 4. Long-term high-temperature storage and/or extended use at maximum recommended operating conditions may result in a reduction of overall device life. See http://www.ti.com/ep_quality for additional information on enhanced plastic packaging. RECOMMENDED OPERATING CONDITIONS MIN MAX UNIT Peak-to-peak input voltage for each 30-dB stage 0.01 1 V Operating free-air temperature, TA −55 125 °C ELECTRICAL CHARACTERISTICS, VCC± = ±6 V, TA = 255C PARAMETER TEST FIGURE MIN TYP MAX UNIT Differential output offset voltage 1 ±25 ±70 mV Quiescent output voltage 2 5.45 5.6 5.85 V DC scale factor (differential output), each 3-dB stage, −35 dBV to −5 dBV 3 7 8 11 mV/dB AC scale factor (differential output) 8 mV/dB DC error at −20 dBV (midpoint of −35 dBV to −5 dBV range) 3 1 2.6 dB Input impedance 500 Ω Output impedance 200 Ω Rise time, 10% to 90% points, CL = 24 pF 4 20 35 ns Supply current from VCC+ 2 14.5 18.5 23 mA Supply current from VCC− 2 −6 −8.5 −10.5 mA Power dissipation 2 123 162 201 mW |
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