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LM8272 Datasheet(PDF) 3 Page - National Semiconductor (TI) |
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LM8272 Datasheet(HTML) 3 Page - National Semiconductor (TI) |
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3 / 14 page  5V Electrical Characteristics (Continued) Unless otherwise specified, all limited guaranteed for T J = 25˚C, V + = 5V, V− = 0V, V CM = 0.5V, VO =V +/2, and R L > 1M Ω to V−. Boldface limits apply at the temperature extremes. Symbol Parameter Condition Typ (Note 5) Limit (Note 6) Units i n Input-Referred Current Noise f = 2KHz 1.4 — pA/ f max Full Power Bandwidth Z L = (20pF || 10k Ω)toV+/2 700 — KHz 12V Electrical Characteristics Unless otherwise specified, all limited guaranteed for T J = 25˚C, V + = 12V, V− = 0V, V CM = 6V, VO = 6V, and R L > 1M Ω to V−. Boldface limits apply at the temperature extremes. Symbol Parameter Condition Typ (Note 5) Limit (Note 6) Units V OS Input Offset Voltage V CM = 0.5V & VCM = 11.5V +/−0.7 +/−7 +/− 9 mV max TC V OS Input Offset Average Drift V CM = 0.5V & VCM = 11.5V (Note 12) +/−2 — µV/˚C I B Input Bias Current (Note 7) — ±2.00 ±2.80 µA max I OS Input Offset Current 30 275 550 nA max CMRR Common Mode Rejection Ratio V CM stepped from 0V to 12V 88 74 72 dB min +PSRR Positive Power Supply Rejection Ratio V + from 4.5V to 13V, V CM = 0.5V 100 78 74 dB min −PSRR Negative Power Supply Rejection Ratio 85 — dB CMVR Input Common-Mode Voltage Range CMRR > 50dB −0.3 −0.1 0 V max 12.3 12.1 12.0 V min A VOL Large Signal Voltage Gain V O = 1Vto11V R L = 10k Ω to V+/2 83 74 70 dB min V O Output Swing High R L 10k Ω to V+/2 11.8 11.7 V min I SOURCE = 5mA 11.6 11.5 Output Swing Low R L = 10k Ω to V+/2 0.25 0.3 V max I SINK = 5mA .40 .45 I SC Output Short Circuit Current Sourcing to V − V ID = 200mV (Note 10) 130 110 mA min Sinking to V + V ID = 200mV (Note 10) 130 110 I OUT Output Current V ID = ±200mV, VO = 1V from rails ±65 — mA I S Supply Current (Both Channel) No load, V CM = 0.5V 1.9 2.4 2.9 mA max SR Slew Rate (Note 8) A V = +1, VI = 10VPP,CL = 10pF 15 — V/µs A V = +1, VI = 10VPP,CL = 0.1µF 1 — R OUT Close Loop Output Resistance A V = +1, f = 100KHz 3 — Ω f u Unity Gain Frequency V I = 10mVp, RL =2k Ω to V+/2 8 — MHz GBWP Gain-Bandwidth Product f = 50KHz 15 — MHz Phi m Phase Margin V I = 10mVp, RL =2k Ω to V+/2 57 — Deg GM Gain Margin V I = 10mVp, RL =2k Ω to V+/2 20 — dB www.national.com 3 |
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