Data Sheet (MCP6N11T-001E/MNY)Table of Contents500 kHz, 800 µA Instrumentation Amplifier1TABLE 1: Key Differentiating Specifications21.0 Electrical Characteristics31.1 Absolute Maximum Ratings †31.2 Specifications3TABLE 1-1: DC Electrical Specifications3TABLE 1-2: AC Electrical Specifications6TABLE 1-3: Digital Electrical Specifications7TABLE 1-4: Temperature Specifications71.3 Timing Diagrams8FIGURE 1-1: Common Mode Input Overdrive Recovery Timing Diagram.8FIGURE 1-2: Differential Mode Input Overdrive Recovery Timing Diagram.8FIGURE 1-3: Output Overdrive Recovery Timing Diagram.8FIGURE 1-4: POR Timing Diagram.8FIGURE 1-5: EN/CAL Timing Diagram.81.4 DC Test Circuits9FIGURE 1-6: Test Circuit for Common Mode (Input Offset).9TABLE 1-5: Selecting RF and RG9FIGURE 1-7: Test Circuit for Differential Mode.9TABLE 1-6: Selecting RF and RG91.5 Explanation of DC Error Specs10FIGURE 1-8: Input Offset Error vs. Common Mode Input Voltage.10FIGURE 1-9: Differential Input Error vs. Differential Input Voltage.112.0 Typical Performance Curves132.1 DC Voltages and Currents13FIGURE 2-1: Normalized Input Offset Voltage, with GMIN = 1 to 10.13FIGURE 2-2: Normalized Input Offset Voltage, with GMIN = 100.13FIGURE 2-3: Normalized Input Offset Voltage Drift, with GMIN = 1 to 10.13FIGURE 2-4: Normalized Input Offset Voltage Drift, with GMIN = 100.13FIGURE 2-5: Normalized Input Offset Voltage vs. Power Supply Voltage, with VCM = 0V and GMIN = 1 to 10.14FIGURE 2-6: Normalized Input Offset Voltage vs. Power Supply Voltage, with VCM = 0V and GMIN = 100.14FIGURE 2-7: Normalized Input Offset Voltage vs. Power Supply Voltage, with VCM = VDD and GMIN = 1 to 10.14FIGURE 2-8: Normalized Input Offset Voltage vs. Power Supply Voltage, with VCM = VDD and GMIN = 100.14FIGURE 2-9: Normalized Input Offset Voltage vs. Output Voltage, with GMIN = 1 to 10.14FIGURE 2-10: Normalized Input Offset Voltage vs. Output Voltage, with GMIN = 100.14FIGURE 2-11: Input Common Mode Voltage Headroom vs. Ambient Temperature.15FIGURE 2-12: Normalized Input Offset Voltage vs. Common Mode Voltage, with VDD = 1.8V and GMIN = 1 to 10.15FIGURE 2-13: Normalized Input Offset Voltage vs. Common Mode Voltage, with VDD = 1.8V and GMIN = 100.15FIGURE 2-14: Normalized Input Offset Voltage vs. Common Mode Voltage, with VDD = 5.5V and GMIN = 1 to 10.15FIGURE 2-15: Normalized Input Offset Voltage vs. Common Mode Voltage, with VDD = 5.5V and GMIN = 100.15FIGURE 2-16: Normalized CMRR and PSRR vs. Ambient Temperature.15FIGURE 2-17: Normalized DC Open-Loop Gain vs. Ambient Temperature.16FIGURE 2-18: The MCP6N11 Shows No Phase Reversal vs. Common Mode Voltage.16FIGURE 2-19: Normalized Differential Mode Voltage Range vs. Ambient Temperature.16FIGURE 2-20: Normalized Differential Input Error vs. Differential Voltage, with GMIN = 1.16FIGURE 2-21: Normalized Differential Input Error vs. Differential Voltage, with GMIN = 2 to 100.16FIGURE 2-22: The MCP6N11 Shows No Phase Reversal vs. Differential Voltage, with VDD = 5.5V.16FIGURE 2-23: Input Bias and Offset Currents vs. Ambient Temperature, with VDD = +5.5V.17FIGURE 2-24: Input Bias Current vs. Input Voltage (below VSS).17FIGURE 2-25: Input Bias and Offset Currents vs. Common Mode Input Voltage, with TA = +85°C.17FIGURE 2-26: Input Bias and Offset Currents vs. Common Mode Input Voltage, with TA = +125°C.17FIGURE 2-27: Output Voltage Headroom vs. Output Current.17FIGURE 2-28: Output Voltage Headroom vs. Ambient Temperature.17FIGURE 2-29: Output Short Circuit Current vs. Power Supply Voltage.18FIGURE 2-30: Supply Current vs. Power Supply Voltage.18FIGURE 2-31: Supply Current vs. Common Mode Input Voltage.182.2 Frequency Response19FIGURE 2-32: CMRR vs. Frequency.19FIGURE 2-33: PSRR vs. Frequency.19FIGURE 2-34: Normalized Open-Loop Gain vs. Frequency.19FIGURE 2-35: Normalized Gain Bandwidth Product and Phase Margin vs. Ambient Temperature.19FIGURE 2-36: Closed-Loop Output Impedance vs. Frequency.19FIGURE 2-37: Gain Peaking vs. Normalized Capacitive Load.192.3 Noise20FIGURE 2-38: Normalized Input Noise Voltage Density vs. Frequency.20FIGURE 2-39: Normalized Input Noise Voltage Density vs. Input Common Mode Voltage, with f = 100 Hz.20FIGURE 2-40: Normalized Input Noise Voltage Density vs. Input Common Mode Voltage, with f = 10 kHz.20FIGURE 2-41: Normalized Input Noise Voltage vs. Time, with GMIN = 1 to 10.20FIGURE 2-42: Normalized Input Noise Voltage vs. Time, with GMIN = 100.202.4 Time Response21FIGURE 2-43: Small Signal Step Response.21FIGURE 2-44: Large Signal Step Response.21FIGURE 2-45: Slew Rate vs. Ambient Temperature.21FIGURE 2-46: Maximum Output Voltage Swing vs. Frequency.21FIGURE 2-47: Common Mode Input Overdrive Recovery Time vs. Normalized Gain.21FIGURE 2-48: Differential Input Overdrive Recovery Time vs. Normalized Gain.21FIGURE 2-49: Output Overdrive Recovery Time vs. Normalized Gain.22FIGURE 2-50: The MCP6N11 Shows No Phase Reversal vs. Common Mode Input Overdrive, with VDD = 5.5V.22FIGURE 2-51: The MCP6N11 Shows No Phase Reversal vs. Differential Input Overdrive, with VDD = 5.5V.222.5 Enable/Calibration and POR Responses23FIGURE 2-52: EN/CAL and Output Voltage vs. Time, with VDD = 1.8V.23FIGURE 2-53: EN/CAL and Output Voltage vs. Time, with VDD = 5.5V23FIGURE 2-54: EN/CAL Hysteresis vs. Ambient Temperature.23FIGURE 2-55: EN/CAL Turn On Time vs. Ambient Temperature.23FIGURE 2-56: Power Supply On and Off and Output Voltage vs. Time.23FIGURE 2-57: POR Trip Voltages and Hysteresis vs. Temperature.23FIGURE 2-58: Quiescent Current in Shutdown vs. Power Supply Voltage.24FIGURE 2-59: Output Leakage Current vs. Output Voltage.243.0 Pin Descriptions25TABLE 3-1: Pin Function Table253.1 Analog Signal Inputs253.2 Analog Feedback Input253.3 Analog Reference Input253.4 Analog Output253.5 Power Supply Pins253.6 Digital Enable and VOS Calibration Input253.7 Exposed Thermal Pad (EP)254.0 Applications274.1 Basic Performance27FIGURE 4-1: Standard Circuit.27FIGURE 4-2: MCP6N11 Block Diagram.27FIGURE 4-3: DC Bias Resistors.284.2 Functional Blocks29FIGURE 4-4: Simplified Analog Input ESD Structures.29FIGURE 4-5: Protecting the Analog Inputs Against High Voltages.30FIGURE 4-6: Protecting the Analog Inputs Against High Currents.30FIGURE 4-7: Input Voltage Ranges.304.3 Applications Tips31FIGURE 4-8: Output Resistor, RISO stabilizes large capacitive loads.31FIGURE 4-9: Recommended RISO Values for Capacitive Loads.32FIGURE 4-10: Simple Gain Circuit with Parasitic Capacitances.324.4 Typical Applications33FIGURE 4-11: Difference Amplifier.33FIGURE 4-12: Difference Amplifier with Very Large Common Mode Component.33FIGURE 4-13: High Side Current Detector.33FIGURE 4-14: Wheatstone Bridge Amplifier.335.0 Design Aids355.1 Microchip Advanced Part Selector (MAPS)355.2 Analog Demonstration Board355.3 Application Notes356.0 Packaging Information376.1 Package Marking Information37Appendix A: Revision History45Revision A (October 2011)45Product Identification System47Trademarks49Worldwide Sales and Service50Size: 5.51 MBPages: 50Language: EnglishOpen manual