AF133-1CJ

Active Low-Pass PCM Filter IC, Thick-Film Hybrid Matrix, 3.2kHz Maximum Cutoff Frequency, ±15V Nominal Supply Rails, 0°C to +70°C Standard Operational Window, 24-Pin Ceramic Dual In-Line Package (CDIP/DIP24C) Footprint | High-performance telecom-grade active telecommunication line filter integrated circuit manufactured by National Semiconductor (Texas Instruments) featuring laser-trimmed resistor tracking arrays and high-stability internal capacitive nodes, explicitly engineered to isolate high-frequency digital switching noise paths, eliminate pulse-code modulation (PCM) sideband aliasing loops, and deliver stable, ultra-low distortion audio signal processing networks satisfying strict central-office telephone industry transmission guidelines | Industry Exact Equivalents: National Semiconductor AF133-1CJ, NSC AF133-1CJ, National AF133-1CJ | Industry Functional Cross-References: National Semiconductor AF133-2CJ, Intel 2912, Mostek MK5112 | Military Specification National Stock Number (NSN): 5962-01-148-9133