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LMP2234AMA/NOPB 数据表(PDF) 6 Page - Texas Instruments |
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LMP2234AMA/NOPB 数据表(HTML) 6 Page - Texas Instruments |
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6 / 31 page  LMP2234 SNOSAW4D – SEPTEMBER 2007 – REVISED MARCH 2013 www.ti.com 2.5V DC Electrical Characteristics (1) (continued) Unless otherwise specified, all limits are ensured for TA = 25°C, V + = 2.5V, V− = 0V, V CM = VO = V +/2, and R L > 1MΩ. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Min Typ Max Units (2) (3) (2) CMRR Common Mode Rejection Ratio 0V ≤ VCM ≤ 1.5V 77 91 dB 76 PSRR Power Supply Rejection Ratio 1.6V ≤ V+ ≤ 5.5V 83 120 dB VCM = 0V 82 CMVR Common Mode Voltage Range CMRR ≥ 77 dB −0.2 1.7 V CMRR ≥ 76 dB −0.2 1.7 AVOL Large Signal Voltage Gain VO = 0.3V to 2.2V 104 120 dB RL = 10 kΩ to V +/2 104 VO Output Swing High RL = 10 kΩ to V +/2 12 50 mV VIN(diff) = 100 mV 50 from either Output Swing Low RL = 10 kΩ to V +/2 13 50 rail VIN(diff) = −100 mV 50 IO Output Current Sourcing, VO to V − 5 8 (4) VIN(diff) = 100 mV 4 mA Sinking, VO to V + 3.5 7 VIN(diff) = −100 mV 2.5 IS Supply Current 32 44 µA 46 (4) The short circuit test is a momentary open loop test. 2.5V AC Electrical Characteristics (1) Unless otherwise specified, all limits are ensured for TA = 25°C, V + = 2.5V, V− = 0V, V CM = VO = V +/2, and R L > 1MΩ. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Min Typ Max Units (2) (3) (2) GBWP Gain Bandwidth Product CL = 20 pF, RL = 10 kΩ 128 kHz SR Slew Rate AV = +1, CL = 20 pF Falling Edge 58 V/ms RL = 10 kΩ Rising Edge 48 θ m Phase Margin CL = 20 pF, RL = 10 kΩ 64 deg Gm Gain Margin CL = 20 pF, RL = 10 kΩ 26 dB en Input-Referred Voltage Noise Density f = 1 kHz 60 nV/ √Hz Input-Referred Voltage Noise 0.1 Hz to 10 Hz 2.5 μVPP in Input-Referred Current Noise Density f = 1 kHz 10 fA/ √Hz THD+N Total Harmonic Distortion + Noise f = 100 Hz, RL = 10 kΩ 0.005 % (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 ensured specification 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) All limits are specified by testing, statistical analysis or design. (3) Typical values represent the most likely parametric norm as determined 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. 6 Submit Documentation Feedback Copyright © 2007–2013, Texas Instruments Incorporated Product Folder Links: LMP2234 |
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