Datasheet LMP2015, LMP2016 (National Semiconductor) - 3

制造商National Semiconductor
描述Single/Dual High Precision, Rail-to-Rail Output Operational Amplifier
页数 / 页16 / 3 — LMP2015 Single/LMP2016 Dual. Symbol. Parameter. Conditions. Min. Typ. …
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LMP2015 Single/LMP2016 Dual. Symbol. Parameter. Conditions. Min. Typ. Max. Units. 1.50. 2.7V AC Electrical Characteristics. Boldface

LMP2015 Single/LMP2016 Dual Symbol Parameter Conditions Min Typ Max Units 1.50 2.7V AC Electrical Characteristics Boldface

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LMP2015 Single/LMP2016 Dual Symbol Parameter Conditions Min Typ Max Units
(Note 5) (Note 4) (Note 5) A Open Loop Voltage Gain 130 VOL R = 10 kΩ 95 L
90
dB R = 2 kΩ 90 124 L
85
I Output Current Sourcing, V = 0V 5 12 O O V (diff) = ±0.5V
3
IN mA Sinking, V = 5V 5 18 O V (diff) = ±0.5V
3
IN I Supply Current per Channel 0.919 1.20 S mA
1.50 2.7V AC Electrical Characteristics
T = 25°C, V+ = 2.7V, V− = 0V, V = 1.35V, V = 1.35V, and A CM O R > 1 MΩ.
Boldface
limits apply at the temperature extremes. L
Symbol Parameter Conditions Min Typ Max Units
(Note 5) (Note 4) (Note 5) GBWP Gain Bandwidth Product 3 MHz SR Slew Rate 4 V/μs θ Phase Margin 60 Deg m G Gain Margin −14 m dB e Input Referred Voltage Noise 35 n nV/ i Input Referred Current Noise n pA/ e p-p Input Referred Voltage Noise n R = 100Ω, DC to 10 Hz 850 nV S PP t Input Overload Recovery Time 50 rec ms
5V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T = 25°C, V+ = 5V, A V− = 0V, V = 2.5V, V = 2.5V and R > 1 MΩ.
Boldface
limits apply at the temperature extremes. CM O L
Symbol Parameter Conditions Min Typ Max Units
(Note 5) (Note 4) (Note 5) V Input Offset Voltage 0.12 5 OS (LMP2015 only)
10
μV Input Offset Voltage 0.12 5 (LMP2016 only)
10
Offset Calibration Time 0.5 10 ms
12
TCV Input Offset Voltage 0.015 .05 OS μV/°C Long Term Offset Drift 0.006 μV/month Lifetime V Drift 2.5 OS μV I Input Current −3 IN pA I Input Offset Current 6 OS pA R Input Differential Resistance 9 IND MΩ CMRR Common Mode Rejection Ratio −0.3 ≤ V ≤ 3.2 100 130 CM dB 0 ≤ V ≤ 3.2
90
CM CMVR Input Common Mode Range CMRR ≥ 100 dB −0.3 3.2 dB CMRR ≥ 90 dB 0 3.2 PSRR Power Supply Rejection Ratio V+ – V− = 2.7V to 5V, V = 0V 95 120 CM dB
90
3 www.national.com Document Outline LMP2015 Single/LMP2016 Dual General Description Features Applications Connection Diagrams Ordering Information Absolute Maximum Ratings Operating Ratings 2.7V DC Electrical Characteristics 2.7V AC Electrical Characteristics 5V DC Electrical Characteristics 5V AC Electrical Characteristics Typical Performance Characteristics Application Information THE BENEFITS OF THE LMP2015/LMP2016'sNO 1/f NOISE OVERLOAD RECOVERY FIGURE 1. Overload Recovery Test NO EXTERNAL CAPACITORS REQUIRED MORE BENEFITS HOW THE LMP2015/LMP2016 WORK FIGURE 2. The Output of a Chopper Stabilized Op Amp (MAX432) FIGURE 3. The Output of the LMP2015/LMP2016 INPUT CURRENTS PRECISION STRAIN GAUGE AMPLIFIER FIGURE 4. Precision Strain Gauge Amplifier FIGURE 5. Composite Amplifier Configuration TABLE 1. Composite Amplifier Measured Performance FIGURE 6. Composite Amplifier Configuration FIGURE 7. AC Coupled ADC Driver LMP2015 AS AN ADC DRIVER FIGURE 8. DC Coupled ADC Driver Physical Dimensions