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MCP6031E/ST 数据表(PDF) 2 Page - Microchip Technology |
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MCP6031E/ST 数据表(HTML) 2 Page - Microchip Technology |
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2 / 30 page  MCP6031/2/3/4 DS22041A-page 2 © 2007 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † VDD – VSS ........................................................................7.0V Current at Analog Input Pins (VIN+, VIN-). .....................±2 mA Analog Inputs (VIN+, 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 Input Pins ....................................................±2 mA Current at Output and Supply Pins ............................±30 mA Storage Temperature.....................................-65°C to +150°C Maximum Junction Temperature (TJ)..........................+150°C ESD protection on all pins (HBM; MM) ................ ≥ 4 kV; 400V † Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rat- ing conditions for extended periods may affect device reliability. †† See Section 4.1.2 “Input Voltage and Current Limits” DC ELECTRICAL SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +1.8V to +5.5V, VSS = GND, VCM = VDD/2, VOUT ≈ VDD/2, VL = VDD/2 and RL = 1 MΩ to VL (Refer to Figure 1-2 and Figure 1-3). Parameters Sym Min Typ Max Units Conditions Input Offset Input Offset Voltage VOS -150 — +150 µV VDD = 3.0V, VCM = VDD/3 Input Offset Drift with Temperature ΔVOS/ΔTA — ±3.0 — µV/°C TA= -40°C to +125°C, VDD = 3.0V, VCM = VDD/3 Power Supply Rejection Ratio PSRR 70 88 — dB VCM = VSS Input Bias Current and Impedance Input Bias Current IB — ±1.0 100 pA IB —60 — pA TA = +85°C IB — 2000 5000 pA TA = +125°C Input Offset Current IOS — ±1.0 — pA Common Mode Input Impedance ZCM —1013||6 — Ω||pF Differential Input Impedance ZDIFF —1013||6 — Ω||pF Common Mode Common Mode Input Voltage Range VCMR VSS − 0.3 — VDD + 0.3 V Common Mode Rejection Ratio CMRR 70 95 — dB VCM = -0.3V to 2.1V, VDD = 1.8V 72 93 — dB VCM = -0.3V to 5.8V, VDD = 5.5V 70 89 — dB VCM = 2.75V to 5.8V, VDD = 5.5V 72 93 — dB VCM = -0.3V to 2.75V, VDD = 5.5V Open-Loop Gain DC Open-Loop Gain (Large Signal) AOL 95 115 — dB 0.2V < VOUT < (VDD – 0.2V) RL = 50 kΩ to VL |
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