MAX7490CEE+ Maxim Integrated Products, MAX7490CEE+ Datasheet
MAX7490CEE+
Specifications of MAX7490CEE+
Related parts for MAX7490CEE+
MAX7490CEE+ Summary of contents
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... Internal Sampling-to-Center Frequency Ratio of 200:1 o Center Frequency up to 40kHz o Easily Cascaded for Multipole Filters o Low-Power Shutdown: < 1µA Supply Current Ordering Information PIN- PART TEMP RANGE PACKAGE MAX7490CEE+ 0°C to +70°C 16 QSOP MAX7490EEE+ -40°C to +85°C 16 QSOP MAX7491CEE+ 0°C to +70°C 16 QSOP MAX7491EEE+ -40° ...
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Dual Universal Switched-Capacitor Filters ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V DD EXTCLK, SHDN to GND ...........................................-0.3V to +6V INV_, LP_, BP_, N_/HP_, S_, COM, CLK to GND............................................-0. Maximum Current into Any Pin ...........................................50mA Continuous Power ...
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Dual Universal Switched-Capacitor Filters ELECTRICAL CHARACTERISTICS—MAX7490 (continued +5V 625kHz; 10kΩ || 50pF load to V EXTCLK DD CLK GND; 50% duty-cycle clock input; COM = V (Note 1) PARAMETER SYMBOL Clock Input Low Clock ...
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Dual Universal Switched-Capacitor Filters ELECTRICAL CHARACTERISTICS—MAX7491 ( +3V 625kHz; 10kΩ || 50pF load to V EXTCLK DD CLK GND; 50% duty-cycle clock input; COM = V (Note 1) PARAMETER SYMBOL FILTER Center Frequency Range Clock-to-Center ...
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Dual Universal Switched-Capacitor Filters ELECTRICAL CHARACTERISTICS—MAX7491 (continued +3V 625kHz; 10kΩ || 50pF load EXTCLK CLK GND; 50% duty-cycle clock input; COM = V (Note 1) PARAMETER SYMBOL POWER REQUIREMENTS Supply Voltage ...
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Dual Universal Switched-Capacitor Filters (V = +5V for MAX7490 +3V for MAX7491 10kΩ +25°C, unless otherwise noted.) A CLOCK-TO-CENTER FREQUENCY DEVIATION vs ...
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Dual Universal Switched-Capacitor Filters (V = +5V for MAX7490 +3V for MAX7491 10kΩ +25°C, unless otherwise noted.) A MAX7490 THD + NOISE vs. FREQUENCY - MODE ...
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Dual Universal Switched-Capacitor Filters NAME PIN FILTER A LP_ 1 BP_ 2 N_/HP_ 3 INV_ SHDN 6 GND CLK 9 EXTCLK 10 COM 11 _______________Detailed Description The MAX7490/MAX7491 are universal switched-capaci- tor filters ...
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Dual Universal Switched-Capacitor Filters (6) SHDN V ( GND (7) CLK (9) EXTCLK (10) Figure 1. Block Diagram 2nd-Order Filter Stage The MAX7490/MAX7491 are dual biquad filters. The biquad topology allows the use of standard filter tables ...
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Dual Universal Switched-Capacitor Filters Table 1. Filter Operating Modes MODE • • 1 • • 1B • • • • • 3 • • • LP-N = lowpass notch, HP-N = highpass notch. ...
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Dual Universal Switched-Capacitor Filters Σ COM Figure 2. Mode 1, 2nd-Order Filter Providing Notch, Bandpass, and Lowpass Outputs Figure 2 shows the MAX7490/MAX7491s’ configuration of Mode 1. This mode ...
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Dual Universal Switched-Capacitor Filters Mode 2 Design Equations CLK = + 100 CLK = f n 100 ⎛ ⎞ ...
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Dual Universal Switched-Capacitor Filters Figure 6 shows the configuration of Mode 3. This mode is a sampled time (Z transform) equivalent of the classi- cal 2nd-order state variable filter. In this versatile mode, the ratio of resistors R2 and R4 ...
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Dual Universal Switched-Capacitor Filters Table 3. Suggested External Op Amps PART GBW (MHz) MAX4281 2 MAX4322 5 MAX4130 10 MAX4490 10 Mode 3A Design Equations CLK = f O 100 CLK H = ...
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Dual Universal Switched-Capacitor Filters Table 4. Output DC Offsets for a 2nd-Order Section MODE V OSN/ (R2 / R3) + ( OS1 1 ( (R2 / R3) + ...
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Dual Universal Switched-Capacitor Filters Table 5. Cascading Identical Bandpass Filter Sections TOTAL SECTIONS TOTAL BW 1 1.000 B 2 0.644 B 3 0.510 B 4 0.435 B 5 0.386 B The wideband noise of the filter is the total RMS ...
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Dual Universal Switched-Capacitor Filters 4TH-ORDER 10kHz BANDPASS FILTER LPA R3A 200k BPA R2A 10k NA/HPA R1 200k V INVA IN SA SHDN GND 0.1μF Package Information For the latest package outline information and land patterns, ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 18 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2009 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...