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LPV521 数据表(PDF) 7 Page - Texas Instruments |
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LPV521 数据表(HTML) 7 Page - Texas Instruments |
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7 / 33 page  LPV521 www.ti.com SNOSB14D – AUGUST 2009 – REVISED DECEMBER 2014 6.8 3.3-V AC Electrical Characteristics Unless otherwise is specified, all limits for TA = 25°C, V + = 3.3 V, V− = 0 V, V CM = VO = V +/2, and R L > 1 MΩ. (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT GBW Gain-Bandwidth Product CL = 20 pF, RL = 100 kΩ 6.2 kHz SR Slew Rate AV = +1, Falling Edge 2.9 V/ms VIN = 0V to 3.3V Rising Edge 2.5 θ m Phase Margin CL = 20 pF, RL = 10 kΩ 73 deg Gm Gain Margin CL = 20 pF, RL = 10 kΩ 19 dB en Input-Referred Voltage Noise Density f = 100 Hz 259 nV/ √Hz Input-Referred Voltage Noise 0.1 Hz to 10 Hz 22 μVPP In Input-Referred Current Noise f = 100 Hz 100 fA/ √Hz (1) Electrical Characteristics values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very limited self-heating of the device such that TJ = TA. No guarantee of parametric performance is indicated in the electrical tables under conditions of internal self-heating where TJ TA. Absolute Maximum Ratings indicate junction temperature limits beyond which the device may be permanently degraded, either mechanically or electrically. 6.9 5-V DC Electrical Characteristics Unless otherwise specified, all limits for TA = 25°C, V + = 5 V, V− = 0 V, V CM = VO = V +/2, and R L > 1 MΩ. (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOS Input Offset Voltage VCM = 0.3 V 0.1 ±1 Temperature extremes –1.23 1.23 mV VCM = 4.7 V 0.1 ±1 Temperature extremes –1.23 1.23 TCVOS Input Offset Voltage Drift(2) ±0.4 μV/°C Temperature extremes –3.5 3.5 IBIAS Input Bias Current 0.04 ±1 pA Temperature extremes –50 50 IOS Input Offset Current 60 fA CMRR Common Mode Rejection Ratio 0 V ≤ VCM ≤ 5.0 V 75 102 Temperature extremes 74 0 V ≤ VCM ≤ 3.9 V 84 108 dB Temperature extremes 80 77 115 Temperature extremes 76 PSRR Power Supply Rejection Ratio 1.6 V ≤ V+ ≤ 5.5 V 85 109 VCM = 0.3 V dB Temperature extremes 76 CMVR Common Mode Voltage Range CMRR ≥ 75 dB −0.1 5.1 CMRR ≥ 74 dB V Temperature extremes 0 5 AVOL Large Signal Voltage Gain VO = 0.5 V to 4.5 V 84 132 dB RL = 100 kΩ to V +/2 Temperature extremes 76 (1) Electrical Characteristics values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very limited self-heating of the device such that TJ = TA. No guarantee of parametric performance is indicated in the electrical tables under conditions of internal self-heating where TJ TA. Absolute Maximum Ratings indicate junction temperature limits beyond which the device may be permanently degraded, either mechanically or electrically. (2) The offset voltage average drift is determined by dividing the change in VOS at the temperature extremes by the total temperature change. Copyright © 2009–2014, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LPV521 |
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