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MCP621 数据表(PDF) 13 Page - Microchip Technology |
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MCP621 数据表(HTML) 13 Page - Microchip Technology |
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13 / 68 page ![]() 2009-2021 Microchip Technology Inc. and its subsidiaries DS20002188E-page 13 MCP621/1S/2/3/4/5/9 Note: Unless otherwise indicated, TA =+25°C, VDD = +2.5V to 5.5V, VSS = GND, VCM =VDD/3, VOUT =VDD/2, VL =VDD/2, RL =2kto VL, CL = 50 pF, and CAL/CS =VSS. 2.3 Frequency Response FIGURE 2-24: CMRR and PSRR vs. Frequency. FIGURE 2-25: Open-Loop Gain vs. Frequency. FIGURE 2-26: Gain Bandwidth Product and Phase Margin vs. Ambient Temperature. FIGURE 2-27: Gain Bandwidth Product and Phase Margin vs. Common Mode Input Voltage. FIGURE 2-28: Gain Bandwidth Product and Phase Margin vs. Output Voltage. FIGURE 2-29: Closed-Loop Output Impedance vs. Frequency. 10 20 30 40 50 60 70 80 90 100 1.E+2 1.E+3 1.E+4 1.E+5 1.E+6 1.E+7 Frequency (Hz) CMRR 100 1M 10k 10M 100k 1k PSRR+ PSRR- -20 0 20 40 60 80 100 120 140 1.E+0 1.E+1 1.E+2 1.E+3 1.E+4 1.E+5 1.E+6 1.E+7 1.E+8 Frequency (Hz) -240 -210 -180 -150 -120 -90 -60 -30 0 | AOL | A OL 10 1k 100k 10M 1 100 10k 1M 100M 15 20 25 30 35 40 45 -50 -25 0 255075 100 125 Ambient Temperature (°C) 40 45 50 55 60 65 70 PM GBWP VDD = 5.5V VDD = 2.5V 15 20 25 30 35 40 45 Common Mode Input Voltage (V) 40 45 50 55 60 65 70 PM GBWP VDD = 5.5V VDD = 2.5V 15 20 25 30 35 40 45 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Output Voltage (V) 40 45 50 55 60 65 70 PM GBWP VDD = 5.5V VDD = 2.5V 0.1 1 10 100 1.0E+03 1.0E+04 1.0E+05 1.0E+06 1.0E+07 1.0E+08 Frequency (Hz) 1k 1M 10M 100M 10k 100k G = 101 V/V G = 11 V/V G = 1 V/V |
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