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LF347BDRG4 Scheda tecnica(PDF) 2 Page - Texas Instruments |
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LF347BDRG4 Scheda tecnica(HTML) 2 Page - Texas Instruments |
2 / 10 page LF347, LF347B JFET-INPUT QUAD OPERATIONAL AMPLIFIERS SLOS013B – MARCH 1987 – REVISED AUGUST 1994 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR DERATE ABOVE TA TA = 70°C POWER RATING D N 608 mW 680 mW 7.6 mW/ °C N/A 61 °C N/A 608 mW 680 mW recommended operating conditions MIN MAX UNIT Supply voltage, VCC + 3.5 18 V Supply voltage, VCC – – 3.5 –18 V electrical characteristics over operating free-air temperature range, VCC± = ±15 V (unless otherwise specified) PARAMETER TEST T † LF347 LF347B UNIT PARAMETER CONDITIONS TA† MIN TYP MAX MIN TYP MAX UNIT VIO Input offset voltage VIC = 0, 25 °C 5 10 3 5 mV VIO Input offset voltage IC , RS = 10 kΩ Full range 13 7 mV αVIO Average temperature coefficient of input offset voltage VIC = 0, RS = 10 kΩ 18 18 µV/°C IIO Inp t offset c rrent‡ VIC =0 25 °C 25 100 25 100 pA IIO Input offset current‡ VIC = 0 70 °C 4 4 nA IIB Inp t bias c rrent‡ VIC =0 25 °C 50 200 50 200 pA IIB Input bias current‡ VIC = 0 70 °C 8 8 nA VICR Common-mode input voltage range ±11 –12 to 15 ±11 –12 to 15 V VOM Maximum peak output voltage swing RL = 10 kΩ ±12 ±13.5 ±12 ±13.5 V AVD Large signal differential voltage VO = ± 10 V, 25 °C 25 100 50 100 V/mV AVD Large-signal differential voltage O , RL = 2 kΩ Full range 15 25 V/mV ri Input resistance TA = 25°C 1012 1012 Ω CMRR Common-mode rejection ratio RS ≤ 2 kΩ 70 100 80 100 dB kSVR Supply-voltage rejection ratio See Note 2 70 100 80 100 dB ICC Supply current 8 11 8 11 mA † Full range is 0 °C to 70°C. ‡ Input bias currents of a FET-input operational amplifier are normal junction reverse currents, which are temperature sensitive. Pulse techniques must be used that will maintain the junction temperatures as close to the ambient temperature as possible. NOTE 2: Supply-voltage rejection ratio is measured for both supply magnitudes increasing or decreasing simultaneously. operating characteristics, VCC± = ±15 V PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VO1/VO2 Crosstalk attentuation f = 1 kHz 120 dB SR Slew rate 8 13 V/ µs B1 Unity-gain bandwidth 3 MHz Vn Equivalent input noise voltage f = 1 kHz, RS = 20 Ω 18 nV/ √Hz In Equivalent input noise current f = 1 kHz 0.01 pA/ √Hz |
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