Datasheet MCP6V51 (Microchip) - 10
| Manufacturer | Microchip |
| Description | The MCP6V51 operational amplifier provides input offset voltage correction for very low offset and offset drift |
| Pages / Page | 43 / 10 — MCP6V51. 8.0. 60%. = 45V. 6.0. Representative Part. 474 Samples. 50%. T = … |
| File Format / Size | PDF / 3.6 Mb |
| Document Language | English |
MCP6V51. 8.0. 60%. = 45V. 6.0. Representative Part. 474 Samples. 50%. T = +25ºC. 4.0. 40%. ltage (μV). 2.0. 0.0. 30%. -2.0. T = +125°C. 20%. T = +85°C. -4.0
Text Version of Document
MCP6V51 8.0 60% V = 45V DD 6.0 Representative Part 474 Samples 50% T = +25ºC 4.0 A V = 45V DD 40% ltage (μV) 2.0 o 0.0 30% -2.0 T = +125°C A 20% T = +85°C A -4.0 T = +25°C V = 4.5V A DD T = - 40°C A 10% Input Offset V -6.0 Percentage of Occurrences -8.0 0% 0 -1 4 9 14 19 24 29 34 39 44 -0.5 -0.4 -0.3 -0.2 -0.1 0.1 0.2 0.3 0.4 0.5 Common Mode Input Voltage (V) 1/A (μV/V) OL FIGURE 2-7:
Input Offset Voltage vs.
FIGURE 2-10:
DC Open-Loop Gain. Common Mode Voltage with VDD = 45V.
90% 160 80% PSRR 488 Samples 150 70% T = +25ºC A V = 45V DD 60% 140 50% CMRR @ V = 45V DD 40% @ V = 4.5V DD 130 30% 20% CMRR, PSRR (dB) 120 V = 4.5V DD 10% Percentage of Occurrences 0% 110 -1 0 1 -0.8 -0.6 -0.4 -0.2 0.2 0.4 0.6 0.8 -50 -25 0 25 50 75 100 125 1/CMRR (μV/V) Ambient Temperature (°C) FIGURE 2-8:
CMRR.
FIGURE 2-11:
CMRR and PSRR vs. Ambient Temperature.
35% 170 488 Samples 30% T = +25ºC 160 A V = 45V 25% DD Gain (dB) 20% 150 15% 140 V = 4.5V DD 10% 130 5% DC Open-Loop Percentage of Occurrences 0% 0 120 -0.1 0.1 -0.08 -0.06 -0.04 -0.02 0.02 0.04 0.06 0.08 -50 -25 0 25 50 75 100 125 1/PSRR (μV/V) Ambient Temperature (°C) FIGURE 2-9:
PSRR.
FIGURE 2-12:
DC Open-Loop Gain vs. Ambient Temperature. DS20006136A-page 10 2018 Microchip Technology Inc. Document Outline 45V, 2 MHz Zero-Drift Op Amp with EMI Filtering Features Typical Applications Design Aids Related Parts General Description Package Types Typical Application Circuit FIGURE 1: Input Offset Voltage vs. Ambient Temperature with VDD = 4.5V. FIGURE 2: Input Offset Voltage vs. Ambient Temperature with VDD = 45V. 1.0 Electrical Characteristics 1.1 Absolute Maximum Ratings 1.2 Electrical Specifications DC Electrical Specifications AC Electrical Specifications Temperature Specifications 1.3 Timing Diagrams FIGURE 1-1: Amplifier Start-Up. FIGURE 1-2: Offset Correction Settling Time. FIGURE 1-3: Output Overdrive Recovery. 1.4 Test Circuits FIGURE 1-4: AC and DC Test Circuit for Most Noninverting Gain Conditions. FIGURE 1-5: AC and DC Test Circuit for Most Inverting Gain Conditions. FIGURE 1-6: Test Circuit for Dynamic Input Behavior. 2.0 Typical Performance Curves 2.1 DC Input Precision FIGURE 2-1: Input Offset Voltage. FIGURE 2-2: Input Offset Voltage Drift. FIGURE 2-3: Input Offset Voltage vs. Power Supply Voltage. FIGURE 2-4: Input Offset Voltage vs. Output Voltage with VDD = 4.5V. FIGURE 2-5: Input Offset Voltage vs. Output Voltage with VDD = 45V. FIGURE 2-6: Input Offset Voltage vs. Common Mode Voltage with VDD = 4.5V FIGURE 2-7: Input Offset Voltage vs. Common Mode Voltage with VDD = 45V. FIGURE 2-8: CMRR. FIGURE 2-9: PSRR. FIGURE 2-10: DC Open-Loop Gain. FIGURE 2-11: CMRR and PSRR vs. Ambient Temperature. FIGURE 2-12: DC Open-Loop Gain vs. Ambient Temperature. FIGURE 2-13: Input Bias and Offset Currents vs. Common Mode Input Voltage with TA = +85°C. FIGURE 2-14: Input Bias and Offset Currents vs. Common Mode Input Voltage with TA = +125°C. FIGURE 2-15: Input Bias and Offset Currents vs. Ambient Temperature with VDD = 45V. FIGURE 2-16: Input Bias Current vs. Input Voltage (Below VSS). 2.2 Other DC Voltages and Currents FIGURE 2-17: Input Common Mode Voltage Headroom (Range) vs. Ambient Temperature. FIGURE 2-18: Output Voltage Headroom vs. Output Current. FIGURE 2-19: Output Voltage Headroom vs. Ambient Temperature. FIGURE 2-20: Output Voltage Headroom vs Temperature RL = 10 kΩ. FIGURE 2-21: Output Short Circuit Current vs. Power Supply Voltage. FIGURE 2-22: Supply Current vs. Power Supply Voltage. 2.3 Frequency Response FIGURE 2-23: CMRR and PSRR vs. Frequency. FIGURE 2-24: Open-Loop Gain vs. Frequency with VDD = 4.5V. FIGURE 2-25: Open-Loop Gain vs. Frequency with VDD = 45V. FIGURE 2-26: Gain Bandwidth Product and Phase Margin vs. Ambient Temperature. FIGURE 2-27: Gain Bandwidth Product and Phase Margin vs. Common Mode Input Voltage. FIGURE 2-28: Closed-Loop Output Impedance vs. Frequency with VDD = 4.5V. FIGURE 2-29: Closed-Loop Output Impedance vs. Frequency with VDD = 45V. FIGURE 2-30: Maximum Output Voltage Swing vs. Frequency. FIGURE 2-31: EMIRR vs. Frequency. 2.4 Input Noise FIGURE 2-32: Input Noise Voltage Density and Integrated Input Noise Voltage vs. Frequency. FIGURE 2-33: Input Noise vs. Time with 1 Hz and 10 Hz Filters and VDD = 4.5V. FIGURE 2-34: Input Noise vs. Time with 1 Hz and 10 Hz Filters and VDD = 45V. 2.5 Time Response FIGURE 2-35: Input Offset Voltage vs. Time with Temperature Change. FIGURE 2-36: Input Offset Voltage vs. Time at Power-Up. FIGURE 2-37: The MCP6V51 Shows No Input Phase Reversal with Overdrive. FIGURE 2-38: Noninverting Small Signal Step Response. FIGURE 2-39: Noninverting Large Signal Step Response. FIGURE 2-40: Noninverting 40 VPP Step Response. FIGURE 2-41: Inverting Small Signal Step Response. FIGURE 2-42: Inverting Large Signal Step Response. FIGURE 2-43: Inverting 40 VPP Step Response. FIGURE 2-44: Slew Rate vs. Ambient Temperature. FIGURE 2-45: Output Overdrive Recovery vs. Time with G = -10 V/V. FIGURE 2-46: Output Overdrive Recovery Time vs. Inverting Gain. 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 Applications 4.1 Overview of Zero-Drift Operation FIGURE 4-1: Simplified Zero-Drift Op Amp Functional Diagram. FIGURE 4-2: First Chopping Clock Phase; Equivalent Amplifier Diagram. FIGURE 4-3: Second Chopping Clock Phase; Equivalent Amplifier Diagram. 4.2 Other Functional Blocks FIGURE 4-4: Simplified Analog Input ESD Structures. FIGURE 4-5: Protecting the Analog Inputs against High Voltages. FIGURE 4-6: Protecting the Analog Inputs Against High Currents. EQUATION 4-1: EQUATION 4-2: 4.3 Application Tips EQUATION 4-3: FIGURE 4-7: Recommended RISO Values for Capacitive Loads. FIGURE 4-8: Output Resistor, RISO, Stabilizes Capacitive Loads FIGURE 4-9: Amplifier with Parasitic Capacitance. EQUATION 4-4: 4.4 Typical Applications FIGURE 4-10: Low-Side Current Sense for 1.5A Max Load Current. FIGURE 4-11: Simple Design. FIGURE 4-12: Higher Performance Design. FIGURE 4-13: RTD Sensor. 5.0 Design Aids 5.1 Microchip Advanced Part Selector (MAPS) 5.2 Analog Demonstration and Evaluation Boards 5.3 Application Notes 6.0 Packaging Information 6.1 Package Marking Information Appendix A: Revision History Revision A (December 2018) Product Identification System Trademarks Worldwide Sales and Service
Input Offset Voltage vs.
FIGURE 2-10:
DC Open-Loop Gain. Common Mode Voltage with VDD = 45V.
90% 160 80% PSRR 488 Samples 150 70% T = +25ºC A V = 45V DD 60% 140 50% CMRR @ V = 45V DD 40% @ V = 4.5V DD 130 30% 20% CMRR, PSRR (dB) 120 V = 4.5V DD 10% Percentage of Occurrences 0% 110 -1 0 1 -0.8 -0.6 -0.4 -0.2 0.2 0.4 0.6 0.8 -50 -25 0 25 50 75 100 125 1/CMRR (μV/V) Ambient Temperature (°C) FIGURE 2-8:
CMRR.
FIGURE 2-11:
CMRR and PSRR vs. Ambient Temperature.
35% 170 488 Samples 30% T = +25ºC 160 A V = 45V 25% DD Gain (dB) 20% 150 15% 140 V = 4.5V DD 10% 130 5% DC Open-Loop Percentage of Occurrences 0% 0 120 -0.1 0.1 -0.08 -0.06 -0.04 -0.02 0.02 0.04 0.06 0.08 -50 -25 0 25 50 75 100 125 1/PSRR (μV/V) Ambient Temperature (°C) FIGURE 2-9:
PSRR.
FIGURE 2-12:
DC Open-Loop Gain vs. Ambient Temperature. DS20006136A-page 10 2018 Microchip Technology Inc. Document Outline 45V, 2 MHz Zero-Drift Op Amp with EMI Filtering Features Typical Applications Design Aids Related Parts General Description Package Types Typical Application Circuit FIGURE 1: Input Offset Voltage vs. Ambient Temperature with VDD = 4.5V. FIGURE 2: Input Offset Voltage vs. Ambient Temperature with VDD = 45V. 1.0 Electrical Characteristics 1.1 Absolute Maximum Ratings 1.2 Electrical Specifications DC Electrical Specifications AC Electrical Specifications Temperature Specifications 1.3 Timing Diagrams FIGURE 1-1: Amplifier Start-Up. FIGURE 1-2: Offset Correction Settling Time. FIGURE 1-3: Output Overdrive Recovery. 1.4 Test Circuits FIGURE 1-4: AC and DC Test Circuit for Most Noninverting Gain Conditions. FIGURE 1-5: AC and DC Test Circuit for Most Inverting Gain Conditions. FIGURE 1-6: Test Circuit for Dynamic Input Behavior. 2.0 Typical Performance Curves 2.1 DC Input Precision FIGURE 2-1: Input Offset Voltage. FIGURE 2-2: Input Offset Voltage Drift. FIGURE 2-3: Input Offset Voltage vs. Power Supply Voltage. FIGURE 2-4: Input Offset Voltage vs. Output Voltage with VDD = 4.5V. FIGURE 2-5: Input Offset Voltage vs. Output Voltage with VDD = 45V. FIGURE 2-6: Input Offset Voltage vs. Common Mode Voltage with VDD = 4.5V FIGURE 2-7: Input Offset Voltage vs. Common Mode Voltage with VDD = 45V. FIGURE 2-8: CMRR. FIGURE 2-9: PSRR. FIGURE 2-10: DC Open-Loop Gain. FIGURE 2-11: CMRR and PSRR vs. Ambient Temperature. FIGURE 2-12: DC Open-Loop Gain vs. Ambient Temperature. FIGURE 2-13: Input Bias and Offset Currents vs. Common Mode Input Voltage with TA = +85°C. FIGURE 2-14: Input Bias and Offset Currents vs. Common Mode Input Voltage with TA = +125°C. FIGURE 2-15: Input Bias and Offset Currents vs. Ambient Temperature with VDD = 45V. FIGURE 2-16: Input Bias Current vs. Input Voltage (Below VSS). 2.2 Other DC Voltages and Currents FIGURE 2-17: Input Common Mode Voltage Headroom (Range) vs. Ambient Temperature. FIGURE 2-18: Output Voltage Headroom vs. Output Current. FIGURE 2-19: Output Voltage Headroom vs. Ambient Temperature. FIGURE 2-20: Output Voltage Headroom vs Temperature RL = 10 kΩ. FIGURE 2-21: Output Short Circuit Current vs. Power Supply Voltage. FIGURE 2-22: Supply Current vs. Power Supply Voltage. 2.3 Frequency Response FIGURE 2-23: CMRR and PSRR vs. Frequency. FIGURE 2-24: Open-Loop Gain vs. Frequency with VDD = 4.5V. FIGURE 2-25: Open-Loop Gain vs. Frequency with VDD = 45V. FIGURE 2-26: Gain Bandwidth Product and Phase Margin vs. Ambient Temperature. FIGURE 2-27: Gain Bandwidth Product and Phase Margin vs. Common Mode Input Voltage. FIGURE 2-28: Closed-Loop Output Impedance vs. Frequency with VDD = 4.5V. FIGURE 2-29: Closed-Loop Output Impedance vs. Frequency with VDD = 45V. FIGURE 2-30: Maximum Output Voltage Swing vs. Frequency. FIGURE 2-31: EMIRR vs. Frequency. 2.4 Input Noise FIGURE 2-32: Input Noise Voltage Density and Integrated Input Noise Voltage vs. Frequency. FIGURE 2-33: Input Noise vs. Time with 1 Hz and 10 Hz Filters and VDD = 4.5V. FIGURE 2-34: Input Noise vs. Time with 1 Hz and 10 Hz Filters and VDD = 45V. 2.5 Time Response FIGURE 2-35: Input Offset Voltage vs. Time with Temperature Change. FIGURE 2-36: Input Offset Voltage vs. Time at Power-Up. FIGURE 2-37: The MCP6V51 Shows No Input Phase Reversal with Overdrive. FIGURE 2-38: Noninverting Small Signal Step Response. FIGURE 2-39: Noninverting Large Signal Step Response. FIGURE 2-40: Noninverting 40 VPP Step Response. FIGURE 2-41: Inverting Small Signal Step Response. FIGURE 2-42: Inverting Large Signal Step Response. FIGURE 2-43: Inverting 40 VPP Step Response. FIGURE 2-44: Slew Rate vs. Ambient Temperature. FIGURE 2-45: Output Overdrive Recovery vs. Time with G = -10 V/V. FIGURE 2-46: Output Overdrive Recovery Time vs. Inverting Gain. 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 Applications 4.1 Overview of Zero-Drift Operation FIGURE 4-1: Simplified Zero-Drift Op Amp Functional Diagram. FIGURE 4-2: First Chopping Clock Phase; Equivalent Amplifier Diagram. FIGURE 4-3: Second Chopping Clock Phase; Equivalent Amplifier Diagram. 4.2 Other Functional Blocks FIGURE 4-4: Simplified Analog Input ESD Structures. FIGURE 4-5: Protecting the Analog Inputs against High Voltages. FIGURE 4-6: Protecting the Analog Inputs Against High Currents. EQUATION 4-1: EQUATION 4-2: 4.3 Application Tips EQUATION 4-3: FIGURE 4-7: Recommended RISO Values for Capacitive Loads. FIGURE 4-8: Output Resistor, RISO, Stabilizes Capacitive Loads FIGURE 4-9: Amplifier with Parasitic Capacitance. EQUATION 4-4: 4.4 Typical Applications FIGURE 4-10: Low-Side Current Sense for 1.5A Max Load Current. FIGURE 4-11: Simple Design. FIGURE 4-12: Higher Performance Design. FIGURE 4-13: RTD Sensor. 5.0 Design Aids 5.1 Microchip Advanced Part Selector (MAPS) 5.2 Analog Demonstration and Evaluation Boards 5.3 Application Notes 6.0 Packaging Information 6.1 Package Marking Information Appendix A: Revision History Revision A (December 2018) Product Identification System Trademarks Worldwide Sales and Service
