Оperational amplifier (op amp) has a gain bandwidth product of 14 kHz with a low typical operating current of 600 nA and an offset voltage that is less than 3 mV
MCP6041/2/3/4600 nA, Rail-to-Rail Input/Output Op AmpsFeaturesDescription • Low Quiescent Current: 600 nA/amplifier (typical) The MCP6041/2/3/4 family of operational amplifiers • Rail-to-Rail Input/Output (op amps) from Microchip Technology Inc. operate with • Gain Bandwidth Product: 14 kHz (typical) a single supply voltage as low as 1.4V, while drawing less than 1 µA (maximum) of quiescent current per • Wide Supply Voltage Range: 1.4V to 6.0V amplifier. These devices are also designed to support • Unity Gain Stable rail-to-rail input and output operation. This combination • Available in Single, Dual, and Quad of features supports battery-powered and portable • Chip Select (CS) with MCP6043 applications. • Available in 5-lead and 6-lead SOT-23 Packages The MCP6041/2/3/4 amplifiers have a gain-bandwidth • Temperature Ranges: product of 14 kHz (typical) and are unity gain stable. - Industrial: -40°C to +85°C These specifications make these op amps appropriate for low frequency applications, such as battery current - Extended: -40°C to +125°C monitoring and sensor conditioning. Applications The MCP6041/2/3/4 family operational amplifiers are offered in single (MCP6041), single with Chip Select • Toll Booth Tags (CS) (MCP6043), dual (MCP6042), and quad • Wearable Products (MCP6044) configurations. The MCP6041 device is • Temperature Measurement available in the 5-lead SOT-23 package, and the MCP6043 device is available in the 6-lead SOT-23 • Battery Powered package. Design AidsPackage Types • SPICE Macro Models MCP6041MCP6043 • FilterLab® Software PDIP, SOIC, MSOP PDIP, SOIC, MSOP • MAPS (Microchip Advanced Part Selector) NC 1 8 NC NC 1 8 CS • Analog Demonstration and Evaluation Boards V 2 7 IN– VDD V 2 7 V • Application Notes IN– DD VIN+ 3 6 VOUT V 3 IN+ 6 VOUT Related Devices VSS 4 5 NC V 4 SS 5 NC • MCP6141/2/3/4: G = +10 Stable Op Amps MCP6041MCP6043 SOT-23-5 SOT-23-6 Typical Application V 1 5 V OUT DD V 1 6 V OUT DD 2 2 5 CS I VSS VSS DD VDD V 3 IN+ 3 4 VIN– VIN+ 4 VIN– 1.4V 10 to MCP6042MCP6044 VOUT 6.0V PDIP, SOIC, MSOP PDIP, SOIC, TSSOP MCP604X 100 k V 1 8 V V 1 14 OUTA V DD OUTA OUTD V 2 7 V V 2 13 V 1 M INA– OUTB INA– IND– V V 3 12 V INA+ 3 6 VINB– INA+ IND+ V 4 5 V V 4 11 VSS V – V SS INB+ DD DD OUT I = --------------------- V 5 10 V DD INB+ INC+ 10 V/V 10 V 6 INB– 9 VINC– High Side Battery Current Sensor V 7 OUTB 8 VOUTC 2001-2013 Microchip Technology Inc. DS21669D-page 1 Document Outline 1.0 Electrical Characteristics FIGURE 1-1: Chip Select (CS) Timing Diagram (MCP6043 only). 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. FIGURE 2-2: Input Offset Voltage Drift with TA = -40°C to +85°C. FIGURE 2-3: Input Offset Voltage vs. Common Mode Input Voltage with VDD = 1.4V. FIGURE 2-4: Input Offset Voltage Drift with TA = +85°C to +125°C and VDD = 1.4V. FIGURE 2-5: Input Offset Voltage Drift with TA = +25°C to +125°C and VDD = 5.5V. FIGURE 2-6: Input Offset Voltage vs. Common Mode Input Voltage with VDD = 5.5V. FIGURE 2-7: Input Offset Voltage vs. Output Voltage. FIGURE 2-8: Input Noise Voltage Density vs. Frequency. FIGURE 2-9: CMRR, PSRR vs. Frequency. FIGURE 2-10: The MCP6041/2/3/4 family shows no phase reversal. FIGURE 2-11: Input Noise Voltage Density vs. Common Mode Input Voltage. FIGURE 2-12: CMRR, PSRR vs. Ambient Temperature. FIGURE 2-13: Input Bias, Offset Currents vs. Ambient Temperature. FIGURE 2-14: Open-Loop Gain, Phase vs. Frequency. FIGURE 2-15: DC Open-Loop Gain vs. Power Supply Voltage. FIGURE 2-16: Input Bias, Offset Currents vs. Common Mode Input Voltage. FIGURE 2-17: DC Open-Loop Gain vs. Load Resistance. FIGURE 2-18: DC Open-Loop Gain vs. Output Voltage Headroom. FIGURE 2-19: Channel-to-Channel Separation vs. Frequency (MCP6042 and MCP6044 only). FIGURE 2-20: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature with VDD = 1.4V. FIGURE 2-21: Quiescent Current vs. Power Supply Voltage. FIGURE 2-22: Gain Bandwidth Product, Phase Margin vs. Common Mode Input Voltage. FIGURE 2-23: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature with VDD = 5.5V. FIGURE 2-24: Output Short Circuit Current vs. Power Supply Voltage. FIGURE 2-25: Output Voltage Headroom vs. Output Current Magnitude. FIGURE 2-26: Slew Rate vs. Ambient Temperature. FIGURE 2-27: Small Signal Non-inverting Pulse Response. FIGURE 2-28: Output Voltage Headroom vs. Ambient Temperature. FIGURE 2-29: Maximum Output Voltage Swing vs. Frequency. FIGURE 2-30: Small Signal Inverting Pulse Response. FIGURE 2-31: Large Signal Non-inverting Pulse Response. FIGURE 2-32: Chip Select (CS) to Amplifier Output Response Time (MCP6043 only). FIGURE 2-33: Input Current vs. Input Voltage (below VSS). FIGURE 2-34: Large Signal Inverting Pulse Response. FIGURE 2-35: Chip Select (CS) Hysteresis (MCP6043 only). 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 Applications 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 MCP6043 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: Two Op Amp Instrumentation Amplifier. 5.0 Design Aids 5.1 SPICE Macro Model 5.2 FilterLab® Software 5.3 MAPS (Microchip Advanced Part Selector) 5.4 Analog Demonstration and Evaluation Boards 5.5 Application Notes 6.0 Packaging Information 6.1 Package Marking Information Appendix A: Revision History Product Identification System Trademarks Worldwide Sales and Service