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MAX7490CEE+ 数据表(PDF) 5 Page - Maxim Integrated Products |
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MAX7490CEE+ 数据表(HTML) 5 Page - Maxim Integrated Products |
5 / 18 page Dual Universal Switched-Capacitor Filters _______________________________________________________________________________________ 5 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER REQUIREMENTS Supply Voltage VDD 2.7 3.6 V Power-Supply Current IDD No load, mode 1, R1 = R3 = 50k Ω, R2 = 10k Ω, Q = 5 3.5 4.0 mA Shutdown Current ISHDN SHDN = GND 1 μA INTERNAL OP AMPS CHARACTERISTICS Output Short-Circuit Current ±11 mA DC Open-Loop Gain RL ≥ 10kΩ, CL ≤ 50pF 130 dB Gain Bandwidth Product GBW RL ≥ 10kΩ, CL ≤ 50pF 7 MHz Slew Rate SR RL ≥ 10kΩ, CL ≤ 50pF 6 V/ μs Note 1: Resistive loading of the N_/HP_, LP_, BP_ outputs includes the resistors used for the filter implementation. Note 2: Crosstalk between internal filter sections is measured by applying a 1VRMS 10kHz signal to one bandpass filter section input and grounding the input of the other bandpass filter section. The crosstalk is the ratio between the output of the grounded filter section and the 1VRMS input signal of the other section. Note 3: Bandwidth of noise measurement is 80kHz. Note 4: fOSC (kHz) = 135 x 103 / COSC (COSC in pF) ELECTRICAL CHARACTERISTICS—MAX7491 (continued) (VDD = VEXTCLK = +3V; fCLK = 625kHz; 10kΩ || 50pF load to VDD/2 at LP_, BP_, and N_/HP_; VSHDN = VDD; 0.1µF from COM to GND; 50% duty-cycle clock input; COM = VDD/2; TA = TMIN to TMAX. Typical values are at TA = +25°C, unless otherwise noted.) (Note 1) Typical Operating Characteristics (VDD = +5V for MAX7490, VDD = +3V for MAX7491, fCLK = 625kHz, VSHDN = VEXTCLK = VDD, COM = VDD/2, Mode 1, R3 = R1 = 50kΩ, R2 = 10kΩ, Q = 5, TA = +25°C, unless otherwise noted.) 10 -60 1 10 100 2ND-ORDER BANDPASS FILTER FREQUENCY RESPONSE -50 FREQUENCY (kHz) -30 -40 -10 -20 0 300 0 110 100 2ND-ORDER BANDPASS FILTER PHASE RESPONSE 50 FREQUENCY (kHz) 100 200 150 250 VDD = +5V fCLK = 625kHz Q = 5 0 -0.8 100 1000 10,000 CLOCK-TO-CENTER FREQUENCY DEVIATION vs. CLOCK FREQUENCY -0.7 fCLK (kHz) -0.6 -0.2 -0.3 -0.4 -0.5 -0.1 VDD = 5V VDD = 3V |
类似零件编号 - MAX7490CEE+ |
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类似说明 - MAX7490CEE+ |
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