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Datasheet MCP6V81, MCP6V81U, MCP6V82, MCP6V84 (Microchip)

ПроизводительMicrochip
ОписаниеThe MCP6V8x family of operational amplifiers provides input offset voltage correction for very low offset and offset drift
Страниц / Страница48 / 1 — MCP6V81/1U/2/4. 5 MHz, 0.5 mA, Zero-Drift Op Amps. Features. Description. …
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MCP6V81/1U/2/4. 5 MHz, 0.5 mA, Zero-Drift Op Amps. Features. Description. Package Types. MCP6V81. MCP6V81U. Typical Applications

Datasheet MCP6V81, MCP6V81U, MCP6V82, MCP6V84 Microchip

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MCP6V81/1U/2/4 5 MHz, 0.5 mA, Zero-Drift Op Amps Features Description
• High DC Precision: The Microchip Technology Incorporated - V MCP6V81/1U/2/4 family of operational amplifiers OS Drift: ±20 nV/°C (maximum, VDD = 5.5V) - V provides input offset voltage correction for very low OS: ±9 µV (maximum) offset and offset drift. These devices have a gain - AOL: 126 dB (minimum, VDD = 5.5V) bandwidth product of 5 MHz (typical). They are - PSRR: 117 dB (minimum, VDD = 5.5V) unity-gain stable, have virtually no 1/f noise and have - CMRR: 118 dB (minimum, VDD = 5.5V) good Power Supply Rejection Ratio (PSRR) and - Eni: 0.28 µVP-P (typical), f = 0.1 Hz to 10 Hz Common Mode Rejection Ratio (CMRR). These - E products operate with a single supply voltage as low as ni: 0.1 µVP-P (typical), f = 0.01 Hz to 1 Hz • Enhanced EMI Protection: 2.2V, while drawing 500 µA/amplifier (typical) of quiescent current. - Electromagnetic Interference Rejection Ratio (EMIRR) at 1.8 GHz: 101 dB The MCP6V81/1U/2/4 family has enhanced EMI protection to minimize any electromagnetic • Low Power and Supply Voltages: interference from external sources. This feature makes - IQ: 0.5 mA/amplifier (typical) it wel suited for EMI-sensitive applications such as - Wide supply voltage range: 2.2V to 5.5V power lines, radio stations and mobile • Smal Packages: communications, etc. - Singles in SC70, SOT-23 The MCP6V81/1U/2/4 op amps are offered in single - Duals in MSOP-8, 2x3 TDFN (MCP6V81 and MCP6V81U), dual (MCP6V82) and quad (MCP6V84) packages. They were designed - Quads in TSSOP-14 using an advanced CMOS process. • Easy to Use: - Rail-to-rail input/output
Package Types
- Gain Bandwidth Product: 5 MHz (typical)
MCP6V81 MCP6V81U
- Unity Gain Stable SOT-23 SC70, SOT-23 • Extended Temperature Range: -40°C to +125°C VOUT 1 5 VDD VIN+ 1 5 VDD
Typical Applications
VSS 2 VSS 2 • Portable Instrumentation VIN+ 3 4 VIN- VIN– 3 4 VOUT • Sensor Conditioning
MCP6V82 MCP6V82
• Temperature Measurement MSOP 2×3 TDFN * • DC Offset Correction V 1 8 VDD VOUTA 1 8 VDD • Medical Instrumentation OUTA V V V 2 EP 7 V INA– 2 7 OUTB INA- OUTB
Design Aids
V 9 INA+ 3 6 VINB- VINA+ 3 6 VINB- • SPICE Macro Models V V SS 4 5 VINB+ SS 4 5 VINB+ • FilterLab® Software
MCP6V84
• Microchip Advanced Part Selector (MAPS) TSSOP • Analog Demonstration and Evaluation Boards V 1 14 V OUTA OUTD • Application Notes V V INA- 2 13 IND-
Related Parts
VINA+ 3 12 VIND+ V 4 11 V • MCP6V11/1U/2/4: Zero-Drift, Low Power DD SS V • MCP6V31/1U/2/4: Zero-Drift, Low Power VINB+ 5 10 INC+ V 6 9 V • MCP6V61/1U/2/4: Zero-Drift, 1 MHz INB- INC- V 7 8 V • MCP6V71/1U/2/4: Zero-Drift, 2 MHz OUTB OUTC • MCP6V91/1U/2/4: Zero-Drift, 10 MHz * Includes Exposed Thermal Pad (EP); see Table 3-1.  2016 Microchip Technology Inc. DS20005419B-page 1 Document Outline 5 MHz, 0.5 mA, Zero-Drift Op Amps Features Typical Applications Design Aids Related Parts Description Package Types Typical Application Circuit FIGURE 1: Input Offset Voltage vs. Ambient Temperature with VDD = 2.2V. FIGURE 2: Input Offset Voltage vs. Ambient Temperature with VDD = 5.5V. 1.0 Electrical Characteristics 1.1 Absolute Maximum Ratings † 1.2 Specifications TABLE 1-1: DC Electrical Specifications 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 Non-Inverting 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 Temperature Coefficient. 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 = 2.2V. 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 = 2.2V. 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 = 2.2V. 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 = 2.2V. 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. Input 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 = 2.2V. 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 MCP6V81/1U/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 (VOUT, VOUTA, VOUTB, VOUTC, VOUTD) 3.2 Analog Inputs (VIN-, VIN+, VINB+, VINB-, VINC-, VINC+, VIND+, VIND-) 3.3 Power Supply Pins (VDD, VSS) 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 Appendix A: Revision History Product Identification System Trademarks Worldwide Sales and Service
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