KA2261 FM Stereo Multiplex Decoder IC DIP-16

From the shop's description

KA2261 FM Stereo Multiplex Decoder IC DIP-16 The KA2261 FM Stereo Multiplex Decoder IC DIP-16 is a dedicated integrated circuit designed for decoding FM stereo multiplex signals in broadcast radio receivers. It integrates all essential functions required to recover left and right audio channels from a composite FM signal, making it suitable for compact and reliable stereo receiver designs. The device supports stable stereo separation and accurate pilot tone detection, ensuring high-quality audio reproduction in consumer and professional FM applications. Features: PLL-based FM stereo demodulation for accurate subcarrier regeneration. High channel separation of 45dB typical, adjustable with external resistor. Built-in VCO disable function for mono mode switching. Integrated monaural muting circuit to reduce noise in weak signals. Stereo indicator lamp driver for visual reception feedback. Low external component count with no coils required. Wide supply voltage compatibility for versatile applications. Specifications: Parameter Value Supply Voltage 3-14VDC Absolute Maximum Supply Voltage 16VDC Quiescent Current 12mA Power Dissipation 400mW Operating Temperature -20 to 70°C Channel Separation 45dB Total Harmonic Distortion (Mono) 0.2% Total Harmonic Distortion (Stereo) 0.7% Output Voltage 85mVrms Maximum Input Level 450mV Input Impedance 20kΩ SCA Rejection Ratio 70dB Signal to Noise Ratio 75dB Pilot Detection Level (Lamp On) 65mV Applications: Integration in car stereo systems for FM radio decoding. Portable FM radios requiring compact stereo processing. Cassette players with built-in FM tuners. Home audio receivers for high-fidelity FM broadcast. Vintage equipment repairs and retrofits. Package Include: 1x KA2261 FM Stereo Multiplex Decoder IC DIP-16 Datasheet: KA2261