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MCP6291 数据表(PDF) 8 Page - Microchip Technology |
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MCP6291 数据表(HTML) 8 Page - Microchip Technology |
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8 / 36 page ![]() MCP6291/1R/2/3/4/5 DS21812E-page 8 © 2007 Microchip Technology Inc. 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 =10kΩ to VL, CL = 60 pF, and CS is tied low. 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). 1 10 100 1,000 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 Frequency (Hz) 0.1 100 10 1k 100k 10k 1M 1 0 5 10 15 20 25 30 35 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Power Supply Voltage (V) TA = +125°C TA = +85°C TA = +25°C TA = -40°C 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 Chip Select Voltage (V) Hysteresis Op-Amp shuts off here Op-Amp turns on here VDD = 2.4V CS swept high to low CS swept low to high 0 1 2 3 4 5 6 7 8 9 10 11 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Common Mode Input Voltage (V) f = 10 kHz VDD = 5.0V 100 110 120 130 140 110 100 Frequency (kHz) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.00.5 1.01.5 2.02.5 3.03.5 4.0 4.5 5.05.5 Chip Select Voltage (V) Hysteresis VDD = 5.5V CS swept low to high CS swept high to low Op Amp shuts off Op Amp turns on |
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