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LM7121IM5X Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM7121IM5X Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 19 page  ±5V DC Electrical Characteristics (Continued) Unless otherwise specified, all limits guaranteed for T J = 25˚C, V + = 5V, V− = −5V, V CM = VO = 0V and RL > 1MΩ. Bold- face limits apply at the temperature extremes. Symbol Parameter Conditions Typ (Note 5) LM7121I Units Limit (Note 6) C IN Input Capacitance Common Mode 2.3 pF CMRR Common Mode −2V ≤ V CM ≤ 2V 75 65 dB Rejection Ratio 60 min +PSRR Positive Power Supply 3V ≤ V+ ≤ 5V 89 65 dB Rejection Ratio 60 min −PSRR Negative Power Supply −5V ≤ V− ≤ −3V 78 65 dB Rejection Ratio 60 min V CM Input Common Mode CMRR ≥ 60 dB 3 2.5 V Voltage Range min −3 −2.5 V max A V Large Signal R L = 2kΩ,VO = 3VPP 66 60 dB Voltage Gain 58 min V O Output Swing R L = 2kΩ 3.62 3.0 V 2.75 min −3.62 −3.0 V −2.70 max R L = 150Ω 3.1 2.5 V 2.3 min −2.8 −2.15 V −2.00 max I SC Output Short Circuit Sourcing 53 38 mA Current 33 min Sinking 29 21 mA 19 min I S Supply Current 5.1 6.4 mA 7.2 max ±5V AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T J = 25˚C, V + = 5V, V− = −5V, V CM = VO = 0V and RL > 1MΩ. Bold- face limits apply at the temperature extremes. Symbol Parameter Conditions Typ (Note 5) LM7121I Units Limit (Note 6) SR Slew Rate A V = +2, RL = 1kΩ, 520 V/µs (Note 8) V O = 6VPP GBW Unity Gain-Bandwidth R L = 1kΩ 105 MHz φ m Phase Margin R L = 1kΩ 74 Deg f (−3 dB) Bandwidth R L = 100Ω,AV = +1 160 MHz (Notes 9, 10) R L = 100Ω,AV = +2 50 t s Settling Time 5 V PP Step, to 0.1%,65 ns R L = 500Ω t r,tf Rise and Fall Time A V = +2, RL = 100Ω, 5.8 ns (Note 10) V O = 0.4 VPP A D Differential Gain A V = +2, RL = 150Ω 0.3 % www.national.com 4 |
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