PDF《MCP6441/2/4》

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4000 -0.3 -0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 Common mode input voltage (V) Input Offset Voltage ( 矿)VDD = 1.4V Representative Part TA = +125CTA = +85CTA = +25CTA = -40C°C °C °C °C ?V -1000 -800 -600 -400 -200

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800 1000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Output Voltage (V) Input Offset Voltage ( 矿)VDD = 6.0V VDD = 1.4V Representative Part ?V -2000 -1600 -1200 -800 -400

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1600 2000 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Power Supply Voltage (V) Input Offset Voltage ( 矿)Representative Part TA = +125°C TA = +85CTA = +25CTA = -40C°C °C °C ?V MCP6441/2/4 DS22257B_CN 第6页?2010-2011 Microchip Technology Inc. 注:除非另外声明,否则 TA = +25°C,VDD = +1.4V 至+6.0V,VSS = GND,VCM = VDD/2,VOUT ≈ VDD/2,VL = VDD/2, RL =

1 MΩ 连接至 VL 且CL =

60 pF. 图2-7: 输入噪声电压密度 ― 频率曲线 图2-8: 输入噪声电压密度 ― 共模输入 电压曲线 图2-9: CMRR 和PSRR― 频率曲线 图2-10: CMRR和PSRR―环境温度曲线 图2-11: 输入偏置和失调电流 ― 环境温 度曲线 图2-12: 输入偏置电流 ― 共模输入电压 曲线

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10000 Frequency (Hz) Input Noise Voltage Density (nV/?Hz) 0.1

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300 350 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Common Mode Input Voltage (V) Input Noise Voltage Density (nV/?Hz) f =

1 kHz VDD = 6.0 V

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100 1000 Frequency (Hz) CMRR, PSRR (dB) CMRR PSRR- PSRR+ c Representative Part

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100 125 Ambient Temperature (C) CMRR,PSRR (dB) PSRR (VDD = 1.4V to 6.0V, VCM = VSS) CMRR (VDD = 6.0V, VCM = -0.3V to 6.3V) CMRR (VDD = 1.4V, VCM = -0.3V to 1.7V) (°C)

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105 125 Ambient Temperature (C) Input Bias and Offset Currents (pA) Input Bias Current VDD = 6.0V Input Offset Current (°C)

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100 1000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Common Mode Input Voltage (V) Input Bias Current (pA) VDD = 6.0V TA = +125CTA = +85C°C °C ? 2010-2011 Microchip Technology Inc. DS22257B_CN 第7页MCP6441/2/4 注:除非另外声明,否则 TA = +25°C,VDD = +1.4V 至+6.0V,VSS = GND,VCM = VDD/2,VOUT ≈ VDD/2,VL = VDD/2, RL =

1 MΩ 连接至 VL 且CL =

60 pF. 图2-13: 静态电流 ― 环境温度曲线 图2-14: 静态电流 ― 电源电压曲线 图2-15: 开环增益和相位 ― 频率曲线 图2-16: 直流开环增益 ― 电源电压曲线 图2-17: 直流开环增益 ― 输出电压裕度 曲线 图2-18: 增益带宽积和相位裕度 ― 环境 温度曲线

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100 125 Ambient Temperature (C) Quiescent Current (nA/Amplifier) VDD = 6.0V VDD = 1.4V (°C)

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600 700 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 Power Supply Voltage (V) Quiescent Current (nA/Amplifier) TA = +125°C TA = +85CTA = +25CTA = -40C°C °C °C -20

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120 1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01 1.0E+02 1.0E+03 1.0E+04 1.0E+05 Frequency (Hz) Open-Loop Gain (dB) -210 -180 -150 -120 -90 -60 -30

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120 130 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Power Supply Voltage (V) DC Open-Loop Gain (dB) RL =