{"product_id":"156568","title":"443-1122","description":"\u003cp\u003eADC8809 Zenith Part Number: 443-1122Generic Industry Standard: ADC0809 (often manufactured by National Semiconductor or Texas Instruments)Component Type: 8-Bit Analog-to-Digital Converter (ADC) with an 8-channel multiplexer.Technical SpecificationsThis legacy integrated circuit was widely utilized in 1980s electronics—including Zenith television chassis, computing modules, and Heathkit educational training systems—to convert analog control voltages into digital data.Resolution: 8-bit successive approximation register (SAR) conversion.Input Channels: 8 analog inputs routed through an internal multiplexer.Logic Level: Standard TTL-compatible inputs and outputs.Package Style: Standard 28-pin Dual In-line Package (DIP).Total Unadjusted Error: \\(\\pm \\frac{1}{2}\\) LSB or ±1 LSB depending on the exact chip grade.Conversion Time: Roughly 100 microseconds at a standard 640 kHz clock frequency. USED\u003c\/p\u003e","brand":"ZENITH","offers":[{"title":"Default Title","offer_id":67588501078069,"sku":null,"price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0219\/7936\/5440\/files\/AP1GczN-HtPlpEzDNJZnNk_asTi_7LHCzV339rdT4gNZ0jHmnU2C8NzNIcGpz93Dv9EkKaa_EJRlMLf5AmHy8pXiwxE_o5gCKNAsVp6qUT2YUTt0Bv9_dOhCf3x6zQGuPCy8bn2L4NnY0GJZYEbeP1K8Nei5gA_w1794-h1794-s-no-gm.jpg?v=1790724607","url":"https:\/\/greenbrookonline.com\/products\/156568","provider":"Green Brook Online","version":"1.0","type":"link"}