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MAX7491 数据表(PDF) 7 Page - Maxim Integrated Products |
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MAX7491 数据表(HTML) 7 Page - Maxim Integrated Products |
7 / 18 page Dual Universal Switched-Capacitor Filters _______________________________________________________________________________________ 7 -20 -120 1k 10k MAX7490 THD + NOISE vs. FREQUENCY INPUT FREQUENCY (Hz) -30 -40 -50 -60 -70 -80 -90 -100 -110 B A A = MODE 1 B = MODE 3 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 1.0 0.5 1.5 2.0 2.5 3.0 MAX7491 THD + NOISE vs. INPUT VOLTAGE INPUT VOLTAGE (Vp-p) B A A = MODE 1 B = MODE 3 -90 -80 -70 -60 -50 -40 -30 -20 -10 012345 MAX7490 THD + NOISE vs. INPUT VOLTAGE INPUT VOLTAGE (Vp-p) B A A = MODE 1 B = MODE 3 2.0 3.0 2.5 3.5 4.0 4.5 5.0 08 412 16 20 OUTPUT VOLTAGE SWING vs. RLOAD RLOAD (k Ω) TO COM VDD = 5V VDD = 3V 0 500 1500 1000 2000 2500 0400 200 600 800 1000 INTERNAL OSCILLATOR PERIOD vs. SMALL CAPACITANCE CAPACITANCE (pF) VDD = 3V VDD = 5V 0 20 40 60 80 100 120 140 160 13 2 4567 INTERNAL OSCILLATOR PERIOD vs. LARGE CAPACITANCE CAPACITANCE (nF) VDD = 5V VDD = 3V 126 128 127 130 129 132 131 133 3.0 4.0 3.5 4.5 5.0 5.5 INTERNAL OSCILLATOR FREQUENCY vs. SUPPLY VOLTAGE VDD (V) COSC = 1000pF 124 130 128 126 132 134 136 138 140 142 144 -40 10 -15 35 60 85 INTERNAL OSCILLATOR FREQUENCY vs. TEMPERATURE TEMPERATURE ( °C) VDD = 3V VDD = 5V COSC = 1000pF Typical Operating Characteristics (continued) (VDD = +5V for MAX7490, VDD = +3V for MAX7491, fCLK = 625kHz, SHDN = EXTCLK = VDD, COM = VDD/2, Mode 1, R3 = R1 = 50k Ω, R2 = 10k Ω, Q = 5, TA = +25°C, unless otherwise noted.) |
类似零件编号 - MAX7491 |
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类似说明 - MAX7491 |
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