Datasheet MCP6031, MCP6032, MCP6035, MCP6034 (Microchip) - 8

MCP6031/2/3/4 Note:
Unless otherwise indicated, T ≈ A = +25°C, VDD = +1.8V to +5.5V, VSS = GND, VCM = VDD/2, VOUT VDD/2, VL = VDD/2, RL = 1 MΩ to VL, CL = 60 pF and CS is tied low.
1.2 120 0 1.1 V Open-Loop Gain DD = 5.5V @ VCM = VDD ) 100 -30 1.0 V °) DD = 1.8V @ VCM = VDD nt 0.9 80 -60 0.8 Open-Loop Phase ase ( h 0.7 60 -90 t Curre 0.6 en 0.5 40 -120 c VDD = 5.5V @ VCM = VSS Loop P A/Amplifier) 0.4 VDD = 1.8V @ VCM = VSS (μ 20 -150 0.3 Quies 0.2 Open-Loop Gain (V/V 0 VDD = 5.5V -180 Open- 0.1 0.0 -20 -210 -50 -25 0 25 50 75 100 125 0. 001 0.01 0.01 0.1 1 10 100 100 1k 100 k 1E 10 + 0k Ambient Temperature (°C) 0 00 05 Frequency (Hz) FIGURE 2-13:
Quiescent Current vs
FIGURE 2-16:
Open-Loop Gain, Phase vs. Ambient Temperature. Frequency.
1.2 1.1 V 130 CM = VDD t 1.0 B) 125 d en 0.9 120 rr r) ie 0.8 u ain ( 115 0.7 G t C 110 0.6 en 105 0.5 T oop A = +125°C A/Amplif -L 100 0.4 T iesc A = +85°C n (μ 0.3 T 95 A = +25°C Qu 0.2 T 90 R A = -40°C Ope L = 50 kΩ 0.1 85 V DC SS + 0.2V < VOUT < VDD - 0.2V 0.0 80 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 0. 0. 1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Power Supply Voltage (V) Power Supply Voltage VDD (V) FIGURE 2-14:
Quiescent Current vs.
FIGURE 2-17:
DC Open-Loop Gain vs. Power Supply Voltage with VCM = VDD. Power Supply Voltage.
1.2 130 1.1 VCM = VSS B) 125 V 1.0 DD = 5.5V t (d 120 n 0.9 in 115 0.8 ier) Ga if 110 0.7 p t Curre pl o 0.6 105 n o VDD = 1.8V Am 0.5 -L 100 sce A/ T 0.4 A = +125°C en 95 (μ p 0.3 TA = +85°C 90 Quie O 0.2 TA = +25°C 85 RL = 50 kΩ Large Signal AOL 0.1 TA = -40°C DC 80 0.0 0.00 0.05 0.10 0.15 0.20 0.25 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 0. 0. 1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. Output Voltage Headroom Power Supply Voltage (V) VDD - VOUT or VOUT - VSS (V) FIGURE 2-15:
Quiescent Current vs.
FIGURE 2-18:
DC Open-Loop Gain vs. Power Supply Voltage with VCM = VSS. Output Voltage Headroom. DS22041B-page 8 © 2008 Microchip Technology Inc. Document Outline 1.0 Electrical Characteristics FIGURE 1-1: Timing Diagram for the CS Pin on the MCP6033. 1.1 Test Circuits FIGURE 1-2: AC and DC Test Circuit for Most Non-Inverting Gain Conditions. FIGURE 1-3: AC and DC Test Circuit for Most Inverting Gain Conditions. 2.0 Typical Performance Curves FIGURE 2-1: Input Offset Voltage with VDD = 3.0V. FIGURE 2-2: Input Offset Voltage Drift with VDD = 3.0V and TA £ +85˚C. FIGURE 2-3: Input Offset Voltage Drift with VDD = 3.0V and TA ³ +85˚C. FIGURE 2-4: Input Offset Voltage vs. Common Mode Input Voltage with VDD = 5.5V. FIGURE 2-5: Input Offset Voltage vs. Common Mode Input Voltage with VDD = 1.8V. FIGURE 2-6: Input Offset Voltage vs. Output Voltage. FIGURE 2-7: Input Noise Voltage Density vs. Frequency. FIGURE 2-8: Input Noise Voltage Density vs. Common Mode Input Voltage. FIGURE 2-9: Common Mode Rejection Ratio, Power Supply Rejection Ratio vs. Frequency. FIGURE 2-10: Common Mode Rejection Ratio, Power Supply Rejection Ratio vs. Ambient Temperature. FIGURE 2-11: Input Bias, Offset Currents vs. Ambient Temperature. FIGURE 2-12: Input Bias Current vs. Common Mode Input Voltage. FIGURE 2-13: Quiescent Current vs Ambient Temperature. FIGURE 2-14: Quiescent Current vs. Power Supply Voltage with VCM = VDD. FIGURE 2-15: Quiescent Current vs. Power Supply Voltage with VCM = VSS. FIGURE 2-16: Open-Loop Gain, Phase vs. Frequency. FIGURE 2-17: DC Open-Loop Gain vs. Power Supply Voltage. FIGURE 2-18: DC Open-Loop Gain vs. Output Voltage Headroom. FIGURE 2-19: Channel-to-Channel Separation vs. Frequency ( MCP6032/4 only). FIGURE 2-20: Gain Bandwidth Product, Phase Margin vs. Common Mode Input Voltage. FIGURE 2-21: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature. FIGURE 2-22: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature. FIGURE 2-23: Ouput Short Circuit Current vs. Power Supply Voltage. FIGURE 2-24: Output Voltage Swing vs. Frequency. FIGURE 2-25: Output Voltage Headroom vs. Output Current. FIGURE 2-26: Output Voltage Headroom vs. Ambient Temperature. FIGURE 2-27: Slew Rate vs. Ambient Temperature. FIGURE 2-28: Small Signal Non-Inverting Pulse Response. FIGURE 2-29: Small Signal Inverting Pulse Response. FIGURE 2-30: Large Signal Non-Inverting Pulse Response. FIGURE 2-31: Large Signal Inverting Pulse Response. FIGURE 2-32: The MCP6031/2/3/4 family shows no phase reversal . FIGURE 2-33: Chip Select (CS) to Amplifier Output Response Time (MCP6033 only). FIGURE 2-34: Chip Select (CS) Hysteresis (MCP6033 only) with VDD = 5.5V. FIGURE 2-35: Chip Select (CS) Hysteresis (MCP6033 only) with VDD = 3.0V. FIGURE 2-36: Chip Select (CS) Hysteresis (MCP6033 only) with VDD = 1.8V. FIGURE 2-37: Closed Loop Output Impedance vs. Frequency. FIGURE 2-38: Measured Input Current vs. Input Voltage (below VSS). 3.0 Pin Descriptions TABLE 3-1: Pin Function Table 3.1 Analog Outputs 3.2 Analog Inputs 3.3 Chip Select Digital Input 3.4 Power Supply Pins 4.0 Application Information 4.1 Rail-to-Rail Input FIGURE 4-1: Simplified Analog Input ESD Structures. FIGURE 4-2: Protecting the Analog Inputs. 4.2 Rail-to-Rail Output 4.3 Output Loads and Battery Life 4.4 Capacitive Loads FIGURE 4-3: Output resistor, RISO stabilizes large capacitive loads. FIGURE 4-4: Recommended RISO values for Capacitive Loads. 4.5 MCP6033 Chip Select 4.6 Supply Bypass 4.7 Unused Op Amps FIGURE 4-5: Unused Op Amps. 4.8 PCB Surface Leakage FIGURE 4-6: Example Guard Ring Layout for Inverting Gain. 4.9 Application Circuits FIGURE 4-7: High Side Battery Current Sensor. FIGURE 4-8: Precision, Non-inverting Comparator. FIGURE 4-9: Driving the MCP3421 using an R-C Snubber. 5.0 Design Aids 5.1 SPICE Macro Model 5.2 FilterLab® Software 5.3 Mindi™ Circuit Designer & Simulator 5.4 MAPS (Microchip Advanced Part Selector) 5.5 Analog Demonstration and Evaluation Boards 5.6 Application Notes 6.0 Packaging Information 6.1 Package Marking Information