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LPV358MMX 数据表(PDF) 4 Page - National Semiconductor (TI) |
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LPV358MMX 数据表(HTML) 4 Page - National Semiconductor (TI) |
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4 / 21 page ![]() 2.7V AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T J = 25˚C, V + = 2.7V, V− = 0V, V CM = 1.0V, VO =V +/2 and R L > 1MΩ. Symbol Parameter Conditions Typ (Note 6) Limit (Note 7) Units GBWP Gain-Bandwidth Product C L = 22 pF 112 KHz Φ m Phase Margin 97 Deg G m Gain Margin 35 dB e n Input-Referred Voltage Noise f = 1 kHz 178 i n Input-Referred Current Noise f = 1 kHz 0.50 5V DC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T J = 25˚C, V + = 5V, V− = 0V, V CM = 2.0V, VO =V +/2 and R L > 1MΩ. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Typ (Note 6) Limit (Note 7) Units V OS Input Offset Voltage 1.5 7 10 mV max TCV OS Input Offset Voltage Average Drift 2 µV/˚C I B Input Bias Current 2 50 60 nA max I OS Input Offset Current 0.6 40 50 nA max CMRR Common Mode Rejection Ratio 0V ≤ V CM ≤ 4V 71 50 dB min PSRR Power Supply Rejection Ratio 2.7V ≤ V+ ≤ 5V V O = 1V, VCM = 1V 65 50 dB min V CM Input Common-Mode Voltage Range For CMRR ≥ 50dB −0.2 0 V min 4.2 4 V max A V Large Signal Voltage Gain (Note 8) R L = 100kΩ 100 15 10 V/mV min V O Output Swing R L = 100kΩ to 2.5V V + −3.5 V + −100 V + −200 mV min 90 180 220 mV max I O Output Short Circuit Current Sourcing, V O =0V 17 2 mA min Sinking, V O =5V 72 20 mA min I S Supply Current LPV321 9 12 15 µA max LPV358 Both amplifiers 15 20 24 µA max LPV324 All four amplifiers 28 42 46 µA max www.national.com 4 |
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