Datasheet MCP6271, MCP6271R, MCP6272, MCP6273, MCP6274, MCP6275 (Microchip) - 2

link to page 13 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 2 link to page 5 link to page 5
MCP6271/1R/2/3/4/5 1.0 ELECTRICAL † Notice:
Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
CHARACTERISTICS
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
Absolute Maximum Ratings †
indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended VDD – VSS ..7.0V periods may affect device reliability. Current at Input Pins ..±2 mA
††
See
Section 4.1.2 “Input Voltage and Current Limits”
. Analog Inputs (VIN+ and VIN–) †† .. VSS – 1.0V to VDD + 1.0V All other Inputs and Outputs .. VSS – 0.3V to VDD + 0.3V Difference Input Voltage .. |VDD – VSS| Output Short Circuit Current ...Continuous Current at Output and Supply Pins ..±30 mA Storage Temperature.. –65°C to +150°C Junction Temperature (TJ) ..+150°C ESD Protection On All Pins (HBM/MM) .. ≥ 4 kV/400V
DC ELECTRICAL SPECIFICATIONS Electrical Characteristics
: Unless otherwise indicated, TA = +25°C, VDD = +2.0V to +5.5V, VSS = GND, VCM = VDD/2, V ≈ OUT VDD/2, VL = VDD/2, RL = 10 kΩ to VL and CS is tied low. (Refer to Figure 1-2 and Figure 1-3).
Parameters Sym Min Typ Max Units Conditions Input Offset (Note 1 )
Input Offset Voltage VOS –3.0 — +3.0 mV VCM = VSS Input Offset Voltage VOS –5.0 — +5.0 mV TA = –40°C to +125°C, VCM = VSS (Extended Temperature) Input Offset Temperature Drift ΔVOS/ΔTA — ±1.7 — µV/°C TA = –40°C to +125°C, VCM = VSS Power Supply Rejection Ratio PSRR 70 90 — dB VCM = VSS
Input Bias Current and Impedance
Input Bias Current IB — ±1.0 — pA
Note 2
At Temperature IB — 50 200 pA TA= +85°C
(Note 2)
At Temperature IB — 2 5 nA TA= +125°C
(Note 2 )
Input Offset Current IOS — ±1.0 — pA
Note 3
Common Mode Input Impedance ZCM — 1013||6 — Ω||pF
Note 3
Differential Input Impedance ZDIFF — 1013||3 — Ω||pF
Note 3 Common Mode (Note 4)
Common Mode Input Voltage Range V − CMR VSS 0.15 — VDD + 0.15 V VDD = 2.0V
(Note 5)
V − CMR VSS 0.30 — VDD + 0.30 V VDD = 5.5V
(Note 5)
Common Mode Rejection Ratio CMRR 70 85 — dB VCM = –0.3V to 2.5V, VDD = 5V
(Note 6 )
Common Mode Rejection Ratio CMRR 65 80 — dB VCM = –0.3V to 5.3V, VDD = 5V
(Note 6 ) Open-Loop Gain
DC Open-Loop Gain (Large Signal) AOL 90 110 — dB VOUT = 0.2V to VDD – 0.2V, VCM = VSS
(Note 1 ) Note 1:
The MCP6275’s VCM for op amp B (pins VOUTA/VINB+ and VINB–) is VSS + 100 mV.
2:
The current at the MCP6275’s VINB– pin is specified by IB only.
3:
This specification does not apply to the MCP6275’s VOUTA/VINB+ pin.
4:
The MCP6275’s VINB– pin (op amp B) has a common mode input voltage range (VCMR) of VSS + 100 mV to VDD – 100 mV. CMRR is not measured for op amp B of the MCP6275. The MCP6275’s VOUTA/VINB+ pin (op amp B) has a voltage range specified by VOH and VOL.
5:
Set by design and characterization.
6:
Does not apply to op amp B of the MCP6275.
7:
All parts with date codes November 2007 and later have been screened to ensure operation at VDD = 6.0V. However, the other minimum and maximum specifications are measured at 2.0V and 5.5V. DS21810F-page 2 © 2008 Microchip Technology Inc. Document Outline 1.0 Electrical Characteristics FIGURE 1-1: Timing Diagram for the Chip Select (CS) pin on the MCP6273 and MCP6275. 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, with VDD = 2.0V. 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, with VDD = 5.5V. FIGURE 2-7: Common Mode Input Voltage Range Lower Limit vs. Temperature. FIGURE 2-8: Input Offset Voltage vs. Output Voltage. FIGURE 2-9: CMRR, PSRR vs. Frequency. FIGURE 2-10: Common Mode Input Voltage Range Upper Limit vs. Temperature. FIGURE 2-11: Input Bias, Input Offset Currents vs. Temperature. FIGURE 2-12: CMRR, PSRR vs. Temperature. FIGURE 2-13: Input Bias, Offset Currents vs. Common Mode Input Voltage, with TA = +85˚C. FIGURE 2-14: Quiescent Current vs. Supply Voltage. FIGURE 2-15: Open-Loop Gain, Phase vs. Frequency. FIGURE 2-16: Input Bias, Offset Currents vs. Common Mode Input Voltage, with TA = +125˚C. FIGURE 2-17: Output Voltage Headroom vs. Output Current Magnitude. FIGURE 2-18: Gain Bandwidth Product, Phase Margin vs. Temperature. FIGURE 2-19: Maximum Output Voltage Swing vs. Frequency. FIGURE 2-20: Input Noise Voltage Density vs. Frequency. FIGURE 2-21: Output Short Circuit Current vs. Supply Voltage. FIGURE 2-22: Slew Rate vs. Temperature. FIGURE 2-23: Input Noise Voltage Density vs. Common Mode Input Voltage, with f = 1 kHz. FIGURE 2-24: Channel-to-Channel Separation vs. Frequency (MCP6272 and MCP6274). FIGURE 2-25: Quiescent Current vs. Chip Select (CS) Voltage, with VDD = 2.0V (MCP6273 and MCP6275 only). FIGURE 2-26: Large Signal Non-inverting Pulse Response. FIGURE 2-27: Small Signal Non-inverting Pulse Response. FIGURE 2-28: Quiescent Current vs. Chip Select (CS) Voltage, with VDD = 5.5V (MCP6273 and MCP6275 only). FIGURE 2-29: Large Signal Inverting Pulse Response. FIGURE 2-30: Small Signal Inverting Pulse Response. FIGURE 2-31: Chip Select (CS) to Amplifier Output Response Time, with VDD = 2.0V (MCP6273 and MCP6275 only). FIGURE 2-32: Input Current vs. Input Voltage. FIGURE 2-33: Chip Select (CS) to Amplifier Output Response Time, with VDD = 5,5V (MCP6273 and MCP6275 only). FIGURE 2-34: The MCP6271/1R/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 MCP6275’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 MCP6273/5 Chip Select 4.5 Cascaded Dual Op Amps (MCP6275) FIGURE 4-5: Cascaded Gain Amplifier. 4.6 Unused Amplifiers FIGURE 4-6: Unused Op Amps. 4.7 Supply Bypass 4.8 PCB Surface Leakage FIGURE 4-7: Example Guard Ring Layout for Inverting Gain. 4.9 Application Circuits FIGURE 4-8: Active Full-wave Rectifier. FIGURE 4-9: Non-Inverting Integrator. 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: Integrator Circuit with Active Compensation. FIGURE 4-14: Second Order Multiple Feedback Low-Pass Filter with an Extra Pole- Zero Pair. FIGURE 4-15: Second Order Sallen-Key Low-Pass Filter with an Extra Pole-Zero Pair and Chip Select. FIGURE 4-16: Capacitorless Second Order Low-Pass Filter with Chip Select. 5.0 Design Tools 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