Datasheet MCP6291, MCP6291R, MCP6292, MCP6293, MCP6294, MCP6295 (Microchip) - 6

HerstellerMicrochip
BeschreibungThe Microchip Technology MCP6291/1R/2/3/4/5 family of operational amplifiers (op amps) provide wide bandwidth for the current
Seiten / Seite36 / 6 — MCP6291/1R/2/3/4/5. TYPICAL PERFORMANCE CURVES (CONTINUED) Note:. 700. …
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MCP6291/1R/2/3/4/5. TYPICAL PERFORMANCE CURVES (CONTINUED) Note:. 700. 10,000. 650. VCM = VSS. VCM = VDD. Representative Part. 600

MCP6291/1R/2/3/4/5 TYPICAL PERFORMANCE CURVES (CONTINUED) Note: 700 10,000 650 VCM = VSS VCM = VDD Representative Part 600

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MCP6291/1R/2/3/4/5 TYPICAL PERFORMANCE CURVES (CONTINUED) Note:
Unless otherwise indicated, T ≈ A = +25°C, VDD = +2.4V to +5.5V, VSS = GND, VCM = VDD/2, VOUT VDD/2, VL = VDD/2, RL = 10 kΩ to VL, CL = 60 pF, and CS is tied low.
700 10,000 650 VCM = VSS VCM = VDD V) Representative Part 600 ts VDD = 5.5V 550 e (µ en 1,000 500 ag lt 450 o et Curr 400 ) fs A 100 Input Bias Current 350 set V (p 300 Input Offset Current t Off 250 V as, Of DD = 5.5V 10 pu 200 VDD = 2.4V t Bi In u 150 p 100 In 1 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 25 35 45 55 65 75 85 95 105 115 125 Output Voltage (V) Ambient Temperature (°C) FIGURE 2-7:
Input Offset Voltage vs.
FIGURE 2-10:
Input Bias, Input Offset Output Voltage. Currents vs. Ambient Temperature.
110 120 100 110 ) 90 B CMRR B) d d 80 100 PSRR- CMRR RR ( 70 RR ( S PSRR+ M 90 P 60 C PSRR V RR, 50 80 RR, CM = VSS M S C 40 P 70 30 60 20
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06
1 10 100 1k 10k 100k 1M -50 -25 0 25 50 75 100 125 Frequency (Hz) Ambient Temperature (°C) FIGURE 2-8:
CMRR, PSRR vs.
FIGURE 2-11:
CMRR, PSRR vs. Ambient Frequency. Temperature.
55 2.5 T s A = +125°C 45 2.0 VDD = 5.5V ent Input Bias Current nts 35 rre 1.5 Input Bias Current 25 et Curr Cu ) 1.0 fs A ) 15 (p ffset (nA 0.5 s, Of 5 , O Input Offset Current ias 0.0 Bia -5 T t B Input Offset Current -15 A = +85°C -0.5 Input VDD = 5.5V Inpu -25 -1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Common Mode Input Voltage (V) Common Mode Input Voltage (V) FIGURE 2-9:
Input Bias, Offset Currents
FIGURE 2-12:
Input Bias, Offset Currents vs. Common Mode Input Voltage at TA = +85°C. vs. Common Mode Input Voltage at TA = +125°C. DS21812E-page 6 © 2007 Microchip Technology Inc. Document Outline 1.0 Electrical Characteristics FIGURE 1-1: Timing Diagram for the Chip Select (CS) pin on the MCP6293 and MCP6295. 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 Bias Current at TA = +85 ˚C. FIGURE 2-3: Input Offset Voltage vs. Common Mode Input Voltage at VDD = 2.4V. FIGURE 2-4: Input Offset Voltage Drift. FIGURE 2-5: Input Bias Current at TA = +125 ˚C. FIGURE 2-6: Input Offset Voltage vs. Common Mode Input Voltage at VDD = 5.5V. FIGURE 2-7: Input Offset Voltage vs. Output Voltage. FIGURE 2-8: CMRR, PSRR vs. Frequency. FIGURE 2-9: Input Bias, Offset Currents vs. Common Mode Input Voltage at TA = +85˚C. FIGURE 2-10: Input Bias, Input Offset Currents vs. Ambient Temperature. FIGURE 2-11: CMRR, PSRR vs. Ambient Temperature. FIGURE 2-12: Input Bias, Offset Currents vs. Common Mode Input Voltage at TA = +125˚C. FIGURE 2-13: Quiescent Current vs. Power Supply Voltage. FIGURE 2-14: Open-Loop Gain, Phase vs. Frequency. FIGURE 2-15: Maximum Output Voltage Swing vs. Frequency. FIGURE 2-16: Output Voltage Headroom vs. Output Current Magnitude. FIGURE 2-17: Gain Bandwidth Product, Phase Margin vs. Ambient Temperature. FIGURE 2-18: Slew Rate vs. Ambient Temperature. FIGURE 2-19: Input Noise Voltage Density vs. Frequency. FIGURE 2-20: Output Short Circuit Current vs. Power Supply Voltage. FIGURE 2-21: Quiescent Current vs. Chip Select (CS) Voltage at VDD = 2.4V (MCP6293 and MCP6295 only). FIGURE 2-22: Input Noise Voltage Density vs. Common Mode Input Voltage at 10 kHz. FIGURE 2-23: Channel-to-Channel Separation vs. Frequency (MCP6292, MCP6294 and MCP6295 only). FIGURE 2-24: Quiescent Current vs. Chip Select (CS) Voltage at VDD = 5.5V (MCP6293 and MCP6295 only). FIGURE 2-25: Large-Signal Non-inverting Pulse Response. FIGURE 2-26: Small-Signal Non-inverting Pulse Response. FIGURE 2-27: Chip Select (CS) to Amplifier Output Response Time at VDD = 2.4V (MCP6293 and MCP6295 only). FIGURE 2-28: Large-Signal Inverting Pulse Response. FIGURE 2-29: Small-Signal Inverting Pulse Response. FIGURE 2-30: Chip Select (CS) to Amplifier Output Response Time at VDD = 5.5V (MCP6293 and MCP6295 only). FIGURE 2-31: Measured Input Current vs. Input Voltage (below VSS). FIGURE 2-32: The MCP6291/1R/2/3/4/5 Show No Phase Reversal. 3.0 Pin Descriptions TABLE 3-1: Pin Function Table for Single Op Amps TABLE 3-2: Pin Function Table for Dual and Quad Op Amps 3.1 Analog Outputs 3.2 Analog Inputs 3.3 MCP6295’s VOUTA/VINB+ Pin 3.4 Chip Select Digital Input 3.5 Power Supply Pins 4.0 Application Information 4.1 Rail-to-Rail Inputs FIGURE 4-1: Simplified Analog Input ESD Structures. FIGURE 4-2: Protecting the Analog Inputs. 4.2 Rail-to-Rail Output 4.3 Capacitive Loads FIGURE 4-3: Output Resistor, RISO stabilizes large capacitive loads. FIGURE 4-4: Recommended RISO Values for Capacitive Loads. 4.4 MCP629X Chip Select 4.5 Cascaded Dual Op Amps (MCP6295) FIGURE 4-5: Cascaded Gain Amplifier. 4.6 Supply Bypass 4.7 Unused Op Amps FIGURE 4-6: Unused Op Amps. 4.8 PCB Surface Leakage FIGURE 4-7: Example Guard Ring Layout for Inverting Gain. 4.9 Application Circuits FIGURE 4-8: Multiple Feedback Low- Pass Filter. FIGURE 4-9: Photodiode Amplifier. FIGURE 4-10: Isolating the Load with a Buffer. FIGURE 4-11: Cascaded Gain Circuit Configuration. FIGURE 4-12: Difference Amplifier Circuit. FIGURE 4-13: Buffered Non-inverting Integrator with Chip Select. FIGURE 4-14: Integrator Circuit with Active Compensation. FIGURE 4-15: Second-Order Multiple Feedback Low-Pass Filter with an Extra Pole- Zero Pair. FIGURE 4-16: Second-Order Sallen-Key Low-Pass Filter with an Extra Pole-Zero Pair and Chip Select. FIGURE 4-17: Capacitorless Second-Order Low-Pass Filter with Chip Select. 5.0 Design Aids 5.1 SPICE Macro Model 5.2 FilterLab® Software 5.3 Mindi™ Simulator Tool 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