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LMP2021 数据表(PDF) 4 Page - Texas Instruments |
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LMP2021 数据表(HTML) 4 Page - Texas Instruments |
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4 / 31 page  LMP2021, LMP2022 SNOSAY9E – SEPTEMBER 2008 – REVISED MARGH 2013 www.ti.com 2.5V Electrical Characteristics (1) (continued) Unless otherwise specified, all limits are ensured for TA = 25°C, V + = 2.5V, V− = 0V, V CM = V +/2, R L >10 kΩ to V +/2. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Min(2) Typ(3) Max(2) Units VOUT Output Swing High RL = 10 kΩ to V +/2 38 50 70 RL = 2 kΩ to V +/2 62 85 mV 115 from either Output Swing Low RL = 10 kΩ to V +/2 30 45 rail 55 RL = 2 kΩ to V +/2 58 75 95 IOUT Linear Output Current Sourcing, VOUT = 2V 30 50 mA Sinking, VOUT = 0.5V 30 50 IS Supply Current Per Amplifier 0.95 1.10 mA 1.37 SR Slew Rate(6) AV = +1, CL = 20 pF, RL = 10 kΩ 2.5 V/ μs VO = 2 VPP GBW Gain Bandwidth Product CL = 20 pF, RL = 10 kΩ 5 MHz GM Gain Margin CL = 20 pF, RL = 10 kΩ 10 dB ΦM Phase Margin CL = 20 pF, RL = 10 kΩ 60 deg CIN Input Capacitance Common Mode 12 pF Differential Mode 12 en Input-Referred Voltage Noise Density f = 0.1 kHz or 10 kHz, AV = 1000 11 nV/ √Hz f = 0.1 kHz or 10 kHz, AV = 100 15 Input-Referred Voltage Noise 0.1 Hz to 10 Hz 260 nVPP 0.01 Hz to 10 Hz 330 in Input-Referred Current Noise f = 1 kHz 350 fA/ √Hz tr Recovery time to 0.1%, RL = 10 kΩ, AV = −50, 50 µs VOUT = 1.25 VPP Step, Duration = 50 μs CT Cross Talk LMP2022, f = 1 kHz 150 dB (6) The number specified is the average of rising and falling slew rates and is measured at 90% to 10%. 5V Electrical Characteristics (1) Unless otherwise specified, all limits are ensured for TA = 25°C, V + = 5V, V− = 0V, V CM = V +/2, R L > 10 kΩ to V +/2. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Min(2) Typ(3) Max(2) Units VOS Input Offset Voltage −0.4 ±5 μV ±10 TCVOS Input Offset Voltage Drift(4) −0.004 ±0.02 μV/°C IB Input Bias Current ±25 ±100 pA ±300 IOS Input Offset Current ±48 ±200 pA ±250 CMRR Common Mode Rejection Ratio −0.2V ≤ VCM ≤ 4.2V 120 139 dB 0V ≤ VCM ≤ 4.0V 115 (1) Electrical Table 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 specification of parametric performance is indicated in the electrical tables under conditions of internal self-heating where TJ > TA. (2) All limits are specified by testing, statistical analysis or design. (3) Typical values represent the most likely parametric norm at the time of characterization. Actual typical values may vary over time and will also depend on the application and configuration. The typical values are not tested and are not ensured on shipped production material. (4) Offset voltage temperature drift is determined by dividing the change in VOS at the temperature extremes by the total temperature change. 4 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: LMP2021 LMP2022 |
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