Datenblatt-Suchmaschine für elektronische Bauteile |
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TL461 Datenblatt(PDF) 3 Page - Texas Instruments |
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TL461 Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 4 page TL461 PRECISION SERIES REFERENCE SLVS263 – NOVEMBER 1999 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics at 25 °C free-air temperature, Vin = Vout + 2.5 V, Iout = 0 (unless otherwise noted) PARAMETER TEST CONDITIONS TA MIN TYP MAX UNIT VO Output voltage TL461-33 25 °C 3.284 3.3 3.317 V VO Output voltage TL461-05 25 °C 4.975 5 5.025 V αV out Output voltage temperature coefficient (see Note 2) Tmin < Tj < Tmax –40 °C to 85°C 10 30 ppm/ °C Line regulation 7 5V<Vi <20V 25 °C 3.1 6.3 mV nVO Line regulation 7.5 V < Vin < 20 V –40 °C to 85°C 8.1 mV I t = 100 µA 25 °C 2.2 3 Iout = 100 µA –40 °C to 85°C 4 nVO Load regulation sourcing I t =10mA 25 °C 14 27 mV nVO Load regulation sourcing Iout = 10 mA –40 °C to 85°C 35 mV I t =20mA 25 °C 22 40 Iout = 20 mA –40 °C to 85°C 50 Dropout voltage Iout = 10 mA –40 °C to 85°C 1.4 V IO Output current Vout = GND 25 °C 40 mA Reverse leakage Vin = –15 V –40 °C to 85°C 0.5 10 µA Quiescent current 25 °C 125 180 µA Quiescent current –40 °C to 85°C 225 µA Standby current –40 °C to 85°C 50 µA ENABLE bias c rrent ENABLE = 0.8 V 40 °Cto85°C 7 µA ENABLE bias current ENABLE = 2 V –40 °C to 85°C 0.05 µA Output noise voltage (see Note 3) 0.1 Hz < f < 10 Hz 25 °C 20 µVpp Output noise voltage (see Note 3) 10 Hz < f < 1 kHz 25 °C 20 µVrms Long-term stability of output voltage (see Note 4) 25 °C 70 ppm/ √k Hz NOTES: 2. Temperature coefficient is measured by dividing the change in output voltage by the specified temperature range. Maximum Vout Minimum Vout ∆TA ∆Vout a Vout ppm °C + DV out Vout at 25°C 106 DT A Where: ∆TA is the recommended operating free-air temperature range of the device. can be positive or negative, depending on whether minimum Vout or maximum Vout, respectively, occurs at the lower temperature. aV out 3. Peak-to-peak noise is measured with a single high-pass filter at 0.1 Hz and two-pole low-pass filter at 10 Hz. The unit is enclosed in a still-air environment to eliminate thermocouple effects on the leads. The test time is 10 seconds. RMS noise is measured with a single high-pass filter at 10 Hz and a two-pole low-pass filter at 1 kHz. The resulting output is full-wave rectified, then integrated for a fixed period, making the final reading an average rather than RMS. A correction factor of 1.1 converts from average to RMS. A second correction of 0.88 corrects for the nonideal bandpass of the filters. 4. Long-term stability typically has a logarithmic characteristic. Therefore, stability changes after 1000 hours tend to be much smaller than before that time. Total drift in the second thousand hours is normally less than one third of that of the first thousand hours, with a continuing trend toward reduced drift with time. Significant improvement in long-term drift can be realized by preconditioning the device with a 100-hour to 200-hour, 125 °C burn-in. Long-term stability also is affected by differential stresses between the device and the board material that are created during board assembly. |
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