Datasheet MCP6286 (Microchip) - 8
Hersteller | Microchip |
Beschreibung | The MCP6286 operational amplifier offers low noise, low power and rail-to-rail output operation |
Seiten / Seite | 28 / 8 — MCP6286. Note:. 600. 120. PSRR-. Representative Part. CM = VCMR-H. 110. … |
Dateiformat / Größe | PDF / 416 Kb |
Dokumentensprache | Englisch |
MCP6286. Note:. 600. 120. PSRR-. Representative Part. CM = VCMR-H. 110. 400. 100. age (µV) 200. CMRR. PSRR+. R 80. S 70. fset. -200. RR,. A = +125°C
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Textversion des Dokuments
MCP6286 Note:
Unless otherwise indicated, T ≈ A = +25°C, VDD = +2.2V to +5.5V, VSS = GND, VCM = VDD/3, VOUT VDD/2, VL = VDD/2, RL = 10 kΩ to VL and CL = 60 pF.
600 120 V PSRR- Representative Part CM = VCMR-H Representative Part 110 400 100 B) age (µV) 200 90 (d CMRR lt PSRR+ o R 80 R V 0 S 70 P fset 60 -200 T RR, A = +125°C 50 TA = +85°C CM 40 -400 T Input Of A = +25°C T 30 A = -40°C -600 20 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 11 10 10 100 100 100 1k 0 10000 10k 1000 10 00 0k 1E+0 1M 6 Power Supply Voltage (V) Frequency (Hz) FIGURE 2-7:
Input Offset Voltage vs.
FIGURE 2-10:
CMRR, PSRR vs. Power Supply Voltage with VCM = VCMR_H. Frequency.
1,000 110 ity s 105 CMRR @ VDD = 5.5V @ V B) DD = 2.2V 100 100 (d Hz) RR 95 /
√
S V P 90 (n PSRR 10 RR, 85 CM 80 Input Noise Voltage Den 1 75 1.E-1 0. 1.E+0 1.E 1 1 10+1 1.E+2 100 1.E 1k+3 1.E+4 10k 1.E 10 + 0k 5 1.E+6 1M -50 -25 0 25 50 75 100 125 Frequency (Hz) Ambient Temperature (°C) FIGURE 2-8:
Input Noise Voltage Density
FIGURE 2-11:
CMRR, PSRR vs. Ambient vs. Frequency. Temperature.
7.0 1.20 ity 6.5 f = 10 kHz 1.05 6.0 0.90 Dens V V DD = 5.5 V ) DD - VCMR_H @ VDD = 5.5V 0.75 V @ V ise 5.5 DD = 2.2V Hz) 0.60 /
√
5.0 om ( e No 0.45 g VDD = 2.2 V (nV 4.5 ode Input Voltage lta 0.30 o 4.0 Headro 0.15 t V on M VCMR_L - VSS @ VDD = 2.2V 3.5 0.00 VOL - VSS @ VDD = 5.5V Inpu -0.15 V V 3.0 Comm -0.30 .3 -0 0.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 -50 -25 0 25 50 75 100 125 Common Mode Input Voltage (V) Ambient Temperature (°C) FIGURE 2-9:
Input Noise Voltage Density
FIGURE 2-12:
Common Mode Input vs. Common Mode Input Voltage. Voltage Headroom vs. Ambient Temperature. DS22196A-page 8 © 2009 Microchip Technology Inc. Document Outline 1.0 Electrical Characteristics 1.1 Absolute Maximum Ratings † 1.2 Test Circuits FIGURE 1-1: AC and DC Test Circuit for Most Specifications. 2.0 Typical Performance Curves FIGURE 2-1: Input Offset Voltage. FIGURE 2-2: Input Offset Voltage Drift. FIGURE 2-3: Input Offset Voltage vs. Common Mode Input Voltage with VDD = 5.5V. FIGURE 2-4: Input Offset Voltage vs. Common Mode Input Voltage with VDD = 2.2V. FIGURE 2-5: Input Offset Voltage vs. Output Voltage. FIGURE 2-6: Input Offset Voltage vs. Power Supply Voltage with VCM = VCMR_L. FIGURE 2-7: Input Offset Voltage vs. Power Supply Voltage with VCM = VCMR_H. FIGURE 2-8: Input Noise Voltage Density vs. Frequency. FIGURE 2-9: Input Noise Voltage Density vs. Common Mode Input Voltage. FIGURE 2-10: CMRR, PSRR vs. Frequency. FIGURE 2-11: CMRR, PSRR vs. Ambient Temperature. FIGURE 2-12: Common Mode Input Voltage Headroom vs. Ambient Temperature. FIGURE 2-13: Input Bias, Offset Currents vs. Ambient Temperature. FIGURE 2-14: Input Bias Current vs. Common Mode Input Voltage. FIGURE 2-15: Quiescent Current vs Ambient Temperature. FIGURE 2-16: Quiescent Current vs. Power Supply Voltage. FIGURE 2-17: Open-Loop Gain, Phase vs. Frequency. FIGURE 2-18: Gain Bandwidth Product, Phase Margin vs. Common Mode Input Voltage with VDD = 5.5V. FIGURE 2-19: Gain Bandwidth Product, Phase Margin vs. Common Mode Input Voltage with VDD = 2.2V. FIGURE 2-20: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature with VDD = 5.5V. FIGURE 2-21: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature with VDD = 2.2V. FIGURE 2-22: Ouput Short Circuit Current vs. Power Supply Voltage. FIGURE 2-23: Output Voltage Swing vs. Frequency. FIGURE 2-24: Output Voltage Headroom vs. Output Current. FIGURE 2-25: Output Voltage Headroom vs. Ambient Temperature. FIGURE 2-26: Slew Rate vs. Ambient Temperature. FIGURE 2-27: Small Signal Non-Inverting Pulse Response. FIGURE 2-28: Small Signal Inverting Pulse Response. FIGURE 2-29: Large Signal Non-Inverting Pulse Response. FIGURE 2-30: Large Signal Inverting Pulse Response. FIGURE 2-31: The MCP6286 Shows No Phase Reversal. FIGURE 2-32: Closed Loop Output Impedance vs. Frequency. FIGURE 2-33: Measured Input Current vs. Input Voltage (below VSS). 3.0 Pin Descriptions TABLE 3-1: Pin Function Table 3.1 Analog Output 3.2 Analog Inputs 3.3 Power Supply Pins 4.0 Application Information 4.1 Input FIGURE 4-1: Simplified Analog Input ESD Structures. FIGURE 4-2: Protecting the Analog Inputs. 4.2 Rail-to-Rail Output 4.3 Capacitive Loads FIGURE 4-3: Output Resistor, RISO Stabilizes Large Capacitive Loads. FIGURE 4-4: Recommended RISO Values for Capacitive Loads. 4.4 Supply Bypass 4.5 PCB Surface Leakage FIGURE 4-5: Example Guard Ring Layout for Inverting Gain. 4.6 Application Circuits FIGURE 4-6: Second-Order, Low-Pass Butterworth Filter with Sallen-Key Topology. FIGURE 4-7: Second-Order, Low-Pass Butterwork Filter with Multiple-Feedback Topology. FIGURE 4-8: Photovoltaic Mode Detector. FIGURE 4-9: Photoconductive Mode Detector. 5.0 Design Aids 5.1 SPICE Macro Model 5.2 FilterLab® Software 5.3 Mindi™ Circuit Designer & Simulator 5.4 Microchip Advanced Part Selector (MAPS) 5.5 Analog Demonstration and Evaluation Boards 5.6 Application Notes 6.0 Packaging Information 6.1 Package Marking Information