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MAX7409 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX7409 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468. General Description The MAX7409/MAX7410/MAX7413/MAX7414 5th-order, lowpass, switched-capacitor filters (SCFs) operate from a single +5V (MAX7409/MAX7410) or +3V (MAX7413/ MAX7414) supply. These devices draw only 1.2mA of supply current and allow corner frequencies from 1Hz to 15kHz, making them ideal for low-power post-DAC filtering and anti-aliasing applications. They feature a shutdown mode, which reduces the supply current to 0.2µA. Two clocking options are available on these devices: self-clocking (through the use of an external capacitor) or external clocking for tighter corner-frequency control. An offset adjust pin allows for adjustment of the DC out- put level. The MAX7409/MAX7413 Bessel filters provide low over- shoot and fast settling, while the MAX7410/MAX7414 Butterworth filters provide a maximally flat passband response. Their fixed response simplifies the design task to selecting a clock frequency. Applications ADC Anti-Aliasing CT2 Base Stations DAC Postfiltering Speech Processing Air-Bag Electronics Features o 5th-Order Lowpass Filters Bessel Response (MAX7409/MAX7413) Butterworth Response (MAX7410/MAX7414) o Clock-Tunable Corner Frequency (1Hz to 15kHz) o Single-Supply Operation +5V (MAX7409/MAX7410) +3V (MAX7413/MAX7414) o Low Power 1.2mA (operating mode) 0.2µA (shutdown mode) o Available in 8-Pin µMAX/DIP Packages o Low Output Offset: ±4mV 5th-Order, Lowpass, Switched-Capacitor Filters ________________________________________________________________ Maxim Integrated Products 1 OS OUT VDD 1 2 8 7 CLK SHDN IN GND COM µMAX/DIP TOP VIEW 3 4 6 5 MAX7409 MAX7410 MAX7413 MAX7414 VDD IN CLK OUT GND INPUT 0.1 µF 0.1 µF CLOCK SHDN OUTPUT VSUPPLY COM OS MAX7409 MAX7410 MAX7413 MAX7414 Typical Operating Circuit 19-4766; Rev 1; 9/98 Pin Configuration Ordering Information PART FILTER RESPONSE OPERATING VOLTAGE (V) MAX7409 Bessel +5 MAX7410 Butterworth +5 Selector Guide PART MAX7409CPA MAX7409EUA MAX7409EPA -40°C to +85°C -40°C to +85°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 8 Plastic DIP 8 µMAX 8 Plastic DIP MAX7410CUA MAX7410CPA MAX7410EUA MAX7410EPA -40°C to +85°C -40°C to +85°C 0°C to +70°C 0°C to +70°C 8 µMAX 8 Plastic DIP 8 µMAX 8 Plastic DIP Ordering Information continued at end of data sheet. MAX7413 Bessel +3 MAX7414 Butterworth +3 MAX7409CUA 0°C to +70°C 8 µMAX |
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