Datasheet MCP6V71, MCP6V71U, MCP6V72, MCP6V74 (Microchip) - 4

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MCP6V71/1U/2/4 TABLE 1-1: DC ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics:
Unless otherwise indicated, TA = +25°C, VDD = +2V to +5.5V, VSS = GND, VCM = VDD/3,VOUT = VDD/2, VL = VDD/2, RL = 20 kΩ to VL and CL = 30 pF (refer to Figures 1-4 and 1-5).
Parameters Sym. Min. Typ. Max. Units Conditions Input Bias Current and Impedance
Input Bias Current IB -50 ±1 +50 pA Input Bias Current across IB — +20 — pA TA = +85°C Temperature IB 0 +0.2 +1.5 nA TA = +125°C
(Note 3 )
Input Offset Current IOS -250 ±60 +250 pA Input Offset Current across IOS — ±50 — pA TA = +85°C Temperature IOS -800 ±50 +800 pA TA = +125°C (
Note 4
) Common Mode Input Impedance ZCM — 1013||6 — Ω||pF Differential Input Impedance ZDIFF — 1013||6 — Ω||pF
Common Mode
Common Mode VCML — — VSS  0.2 V
(Note 2)
Input Voltage Range Low Common Mode VCMH VDD + 0.3 — — V
(Note 2)
Input Voltage Range High Common Mode Rejection Ratio CMRR 111 122 — dB VDD = 2V, VCM = -0.2V to 2.3V
(Note 2)
CMRR 117 130 — dB VDD = 5.5V, VCM = -0.2V to 5.8V
(Note 2) Open-Loop Gain
DC Open-Loop Gain (large signal) AOL 117 132 — dB VDD = 2V, VOUT = 0.3V to 1.8V AOL 126 137 — dB VDD = 5.5V, VOUT = 0.3V to 5.3V
Output
Minimum Output Voltage Swing VOL VSS VSS + 35 VSS + 121 mV RL = 2 kΩ, G = +2, 0.5V input overdrive VOL — VSS + 3.5 — mV RL = 20 kΩ, G = +2, 0.5V input overdrive Maximum Output Voltage Swing VOH VDD – 121 VDD – 45 VDD mV RL = 2 kΩ, G = +2, 0.5V input overdrive VOH — VDD – 4.5 — mV RL = 20 kΩ, G = +2, 0.5V input overdrive Output Short Circuit Current ISC — ±9 — mA VDD = 2V ISC — ±26 — mA VDD = 5.5V
Power Supply
Supply Voltage VDD 2 — 5.5 V Quiescent Current per Amplifier IQ 100 170 260 µA IO = 0 POR Trip Voltage VPOR 0.9 1.2 1.6 V
Note 1:
For Design Guidance only; not tested.
2:
Figure 2-19 shows how VCML and VCMH changed across temperature for the first production lot.
3:
Parts with date codes prior to September 2015 (week code 27) were screened to a +3 nA maximum limit.
4:
Parts with date codes prior to September 2015 (week code 27) were screened to ±1 nA minimum/maxi- mum limits. DS20005385B-page 4  2015 Microchip Technology Inc. Document Outline Features Typical Applications Design Aids Related Parts Description Package Types Typical Application Circuit 1.0 Electrical Characteristics 1.1 Absolute Maximum Ratings † 1.2 Specifications TABLE 1-1: DC Electrical Specifications (Continued) TABLE 1-2: AC Electrical Specifications TABLE 1-3: 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 Quadratic Temp. Co. FIGURE 2-4: Input Offset Voltage vs. Power Supply Voltage with VCM = VCML. FIGURE 2-5: Input Offset Voltage vs. Power Supply Voltage with VCM = VCMH. FIGURE 2-6: Input Offset Voltage vs. Output Voltage with VDD = 2.0V. FIGURE 2-7: Input Offset Voltage vs. Output Voltage with VDD = 5.5V. FIGURE 2-8: Input Offset Voltage vs. Common Mode Voltage with VDD = 2V. FIGURE 2-9: Input Offset Voltage vs. Common Mode Voltage with VDD = 5.5V. FIGURE 2-10: Common Mode Rejection Ratio. FIGURE 2-11: Power Supply Rejection Ratio. FIGURE 2-12: DC Open-Loop Gain. FIGURE 2-13: CMRR and PSRR vs. Ambient Temperature. FIGURE 2-14: DC Open-Loop Gain vs. Ambient Temperature. FIGURE 2-15: Input Bias and Offset Currents vs. Common Mode Input Voltage with TA = +85°C. FIGURE 2-16: Input Bias and Offset Currents vs. Common Mode Input Voltage with TA = +125°C. FIGURE 2-17: Input Bias and Offset Currents vs. Ambient Temperature with VDD = +5.5V. FIGURE 2-18: Input Bias Current vs. Input Voltage (below VSS). 2.2 Other DC Voltages and Currents FIGURE 2-19: Input Common Mode Voltage Headroom (Range) vs. Ambient Temperature. FIGURE 2-20: Output Voltage Headroom vs. Output Current. FIGURE 2-21: Output Voltage Headroom vs. Ambient Temperature. FIGURE 2-22: Output Short Circuit Current vs. Power Supply Voltage. FIGURE 2-23: Supply Current vs. Power Supply Voltage. FIGURE 2-24: Power-On Reset Trip Voltage. FIGURE 2-25: Power-On Reset Voltage vs. Ambient Temperature. 2.3 Frequency Response FIGURE 2-26: CMRR and PSRR vs. Frequency. FIGURE 2-27: Open-Loop Gain vs. Frequency with VDD = 2V. FIGURE 2-28: Open-Loop Gain vs. Frequency with VDD = 5.5V. FIGURE 2-29: Gain Bandwidth Product and Phase Margin vs. Ambient Temperature. FIGURE 2-30: Gain Bandwidth Product and Phase Margin vs. Common Mode Input Voltage. FIGURE 2-31: Gain Bandwidth Product and Phase Margin vs. Output Voltage. FIGURE 2-32: Closed-Loop Output Impedance vs. Frequency with VDD = 2V. FIGURE 2-33: Closed-Loop Output Impedance vs. Frequency with VDD = 5.5V. FIGURE 2-34: Maximum Output Voltage Swing vs. Frequency. FIGURE 2-35: EMIRR vs Frequency. FIGURE 2-36: EMIRR vs RF Input Peak Voltage. FIGURE 2-37: Channel-to-Channel Separation vs. Frequency. 2.4 Input Noise and Distortion FIGURE 2-38: Input Noise Voltage Density and Integrated Input Noise Voltage vs. Frequency. FIGURE 2-39: Input Noise Voltage Density vs. Input Common Mode Voltage. FIGURE 2-40: Intermodulation Distortion vs. Frequency with VCM Disturbance (see Figure 1-6). FIGURE 2-41: Intermodulation Distortion vs. Frequency with VDD Disturbance (see Figure 1-6). FIGURE 2-42: Input Noise vs. Time with 1 Hz and 10 Hz Filters and VDD = 2V. FIGURE 2-43: Input Noise vs. Time with 1 Hz and 10 Hz Filters and VDD = 5.5V. 2.5 Time Response FIGURE 2-44: Input Offset Voltage vs. Time with Temperature Change. FIGURE 2-45: Input Offset Voltage vs. Time at Power-Up. FIGURE 2-46: The MCP6V71/1U/2/4 Family Shows No Input Phase Reversal with Overdrive. FIGURE 2-47: Non-inverting Small Signal Step Response. FIGURE 2-48: Non-inverting Large Signal Step Response. FIGURE 2-49: Inverting Small Signal Step Response. FIGURE 2-50: Inverting Large Signal Step Response. FIGURE 2-51: Slew Rate vs. Ambient Temperature. FIGURE 2-52: Output Overdrive Recovery vs. Time with G = -10 V/V. FIGURE 2-53: Output Overdrive Recovery Time vs. Inverting Gain. 3.0 Pin Descriptions TABLE 3-1: Pin Function Table 3.1 Analog Outputs 3.2 Analog Inputs 3.3 Power Supply Pins 3.4 Exposed Thermal Pad (EP) 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. 4.3 Application Tips FIGURE 4-7: Output Resistor, RISO, Stabilizes Capacitive Loads. FIGURE 4-8: Recommended RISO values for Capacitive Loads. FIGURE 4-9: Output Load. FIGURE 4-10: Amplifier with Parasitic Capacitance. 4.4 Typical Applications FIGURE 4-11: Simple Design. FIGURE 4-12: RTD Sensor. FIGURE 4-13: Offset Correction. FIGURE 4-14: Precision Comparator. 5.0 Design Aids 5.1 FilterLab® Software 5.2 Microchip Advanced Part Selector (MAPS) 5.3 Analog Demonstration and Evaluation Boards 5.4 Application Notes 6.0 Packaging Information 6.1 Package Marking Information 170 µA, 2 MHz Zero-Drift Op Amps Appendix A: Revision History Revision B (September 2015) Revision A (March 2015) Product Identification System AMERICAS ASIA/PACIFIC ASIA/PACIFIC EUROPE Worldwide Sales and Service