Active Filters
Active filter ICs implement low-pass, high-pass, band-pass, and band-stop frequency response functions using switched-capacitor or continuous-time topologies, eliminating the need for discrete RC filter networks. Available from TI, ADI, and Microchip.
Product Series & Base Models
Navigate by model series to compare ordering variants and technical specifications within the Active Filters family.
Browse Active Filters Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| MAX7491CEE+ | Analog Devices | — | 1,669 | |
| MAX7480ESA+T | Analog Devices | — | 1,846 | |
| MAX7448EUD+T | Analog Devices | — | 62 | |
| MAX7446EUD+ | Analog Devices | — | 10,197 | |
| MAX7444ESA+T | Analog Devices | — | 15,000 | |
| MAX7449EUD+T | Analog Devices | — | 1,996 | |
| MAX7443ETA+T | Analog Devices | — | 7,821 | |
| MAX7446EUD+T | Analog Devices | — | 4,725 | |
| MAX7445EUD+T | Analog Devices | — | 43,529 | |
| MAX7447EUD+T | Analog Devices | — | 10 |
Top Active Filters Manufacturers
onsemi
onsemi Active Filters products are available for part-number review, stock checks, and RFQ support.
28,226 productsRenesas
Renesas Active Filters products are available for part-number review, stock checks, and RFQ support.
74,605 products
Texas Instruments
Texas Instruments Active Filters products are available for part-number review, stock checks, and RFQ support.
84,045 products
Analog Devices
Analog Devices Active Filters products are available for part-number review, stock checks, and RFQ support.
82,970 products
STMicroelectronics
STMicroelectronics Active Filters products are available for part-number review, stock checks, and RFQ support.
19,050 productsAbout Active Filters
Active Filter ICs are integrated analog signal processing components that implement low-pass, high-pass, band-pass, or band-reject frequency response profiles using active semiconductor amplifiers (such as op-amps) paired with built-in or external resistors and capacitors. Unlike passive filters, active filters provide signal gain, isolate input and output impedances, and eliminate the need for bulky, noise-prone magnetic inductors, making them ideal for precise analog signal conditioning.
Active filters are crucial in audio processing, instrumentation analog-to-digital converter (ADC) anti-aliasing pre-filtering, and communication receiver signal cleanup. Selection parameters include cutoff frequency range (Hz to MHz), filter order (steepness of roll-off), topology (Sallen-Key, Butterworth, Chebyshev, Bessel), noise floor, power supply range, and harmonic distortion.
Browse and source active filter ICs on Octatronics from premier brands including Texas Instruments, Analog Devices (Maxim), and Microchip. Check specifications, download technical reference designs, and submit bulk RFQs easily.
Frequently Asked Questions
Octatronics can help source a wide range of Active Filters from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.
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