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LMP8601 Datasheet(PDF) 6 Page - Texas Instruments |
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LMP8601 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 29 page  LMP8601, LMP8601Q SNOSAR2D – SEPTEMBER 2008 – REVISED OCTOBER 2009 www.ti.com 5V Electrical Characteristics (1) Unless otherwise specified, all limits guaranteed for at TA = 25°C, VS = 5V, GND = 0V, −22V ≤ VCM ≤ 60V, and RL = ∞, Offset (Pin 7) is grounded, 10nF between VS and GND. Boldface limits apply at the temperature extremes. Symbol Parameter Conditions Min Typ Max Units (2) (3) (2) Overall Performance (From -IN (pin 1) and +IN (pin 8) to OUT (pin 5) with pins A1 (pin 3) and A2 (pin 4) connected) IS Supply Current 0.7 1.1 1.5 mA AV Total Gain (4) 19.9 20 20.1 V/V Gain Drift −40°C ≤ TA ≤ 125°C −2.8 ±20 ppm/°C SR Slew Rate (5) VIN = ±0.25V 0.6 0.83 V/ μs BW Bandwidth 50 60 kHz VOS Input Offset Voltage 0.15 ±1 mV TCVOS Input Offset Voltage Drift (6) −40°C ≤ TA ≤ 125°C 2 ±10 μV/°C eN Input Referred Voltage Noise 0.1 Hz − 10 Hz, 6 Sigma 17.5 μVP-P Spectral Density, 1 kHz 890 nV/ √Hz PSRR Power Supply Rejection Ratio DC 4.5V ≤ VS ≤ 5.5V 70 90 dB Mid −scale Offset Scaling Accuracy ±0.15 ±0.5 % Input Referred ±0.625 mV Preamplifier (From input pins -IN (pin 1) and +IN (pin 8) to A1 (pin 3)) RCM Input Impedance Common Mode 0V ≤ VCM ≤ 60V 250 295 350 k Ω −20V ≤ VCM ≤ 0V 165 193 250 k Ω RDM Input Impedance Differential Mode 0V ≤ VCM ≤ 60V 500 590 700 k Ω −20V ≤ VCM ≤ 0V 300 386 500 k Ω VOS Input Offset Voltage VCM = VS / 2 ±0.15 ±1 mV DC CMRR DC Common Mode Rejection Ratio −20V ≤ VCM ≤ 60V 90 105 dB AC CMRR AC Common Mode Rejection Ratio (7) f = 1 kHz 80 96 dB f = 10 kHz 83 CMVR Input Common Mode Voltage Range for 80 dB CMRR −22 60 V A1V Gain (4) 9.95 10 10.05 V/V RF-INT Output Impedance Filter Resistor 99 100 101 k Ω TCRF-INT Output Impedance Filter Resistor Drift ±5 ±50 ppm/°C A1 VOUT A1 Ouput Voltage Swing VOL RL = ∞ 2 10 mV VOH 4.95 4.985 V Output Buffer (From A2 (pin 4) to OUT( pin 5 )) VOS Input Offset Voltage 0V ≤ VCM ≤ VS −2 2 ±0.5 mV −2.5 2.5 A2V Gain (4) 1.99 2 2.01 V/V IB Input Bias Current of A2 (8) −40 fA ±20 nA (1) The electrical Characteristics tables list guaranteed specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not guaranteed. (2) Datasheet min/max specification limits are guaranteed by test. (3) Typical values represent the most likely parameter norms at TA = +25°C, and at the Recommended Operation Conditions at the time of product characterization and are not guaranteed. (4) Both the gain of the preamplifier A1V and the gain of the buffer amplifier A2V are measured individually. The over all gain of both amplifiers AV is also measured to assure the gain of all parts is always within the AV limits (5) Slew rate is the average of the rising and falling slew rates. (6) Offset voltage drift determined by dividing the change in VOS at temperature extremes into the total temperature change. (7) AC Common Mode Signal is a 5VPP sine-wave (0V to 5V) at the given frequency. (8) Positive current corresponds to current flowing into the device 6 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated Product Folder Links: LMP8601 LMP8601Q |
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