AD7760BSVZ IC ADC 24BIT SIGMA-DELTA 64TQFP

Bayani

AD7760 babban aiki ne, 24-bit Σ-Δ analog-to-dijital Converter (ADC).Yana haɗuwa da bandwidth mai faɗi mai faɗi da babban sauri tare da fa'idodin Σ-Δ canzawa don cimma aikin 100 dB SNR a 2.5 MSPS, yana sa ya zama manufa don samun bayanan saurin sauri.Faɗin kewayo mai ƙarfi haɗe tare da rage buƙatun antialiasing na sauƙaƙe tsarin ƙira.Haɗaɗɗen buffer don fitar da ma'anar, amplifier daban don buffering sigina da canjin matakin, tuta mai wuce gona da iri, riba na ciki da rajistar ragi, da ƙaramin tazarar dijital ta FIR ta sa AD7760 ta zama ƙaƙƙarfan, na'ura mai haɗa bayanai da ke buƙatar ƙaramin yanki. zaɓin bangaren.Bugu da ƙari, na'urar tana ba da ƙimar raguwar shirye-shirye, kuma za'a iya daidaita tacewar FIR na dijital idan halayen tsoho ba su dace da aikace-aikacen ba.AD7760 shine manufa don aikace-aikacen da ke buƙatar babban SNR ba tare da ƙira mai sarrafa siginar gaba-gaba ba.Ana yin samfurin shigarwar banbancin har zuwa 40 MSPS ta na'urar daidaitawa ta analog.Ana sarrafa fitar da na'urar modulator ta jerin masu tacewa mara ƙarfi, tare da tacewa ta ƙarshe tana da tsoho ko tsararrun masu amfani.An saita ƙimar samfurin, mitocin kusurwar tacewa, da ƙimar kalma mai fitarwa ta haɗin mitar agogo na waje da rijistar daidaitawar AD7760.Wutar lantarki da aka kawo zuwa AD7760 tana ƙayyade kewayon shigarwar analog.Tare da ma'anar 4 V, kewayon shigarwar analog shine ± 3.2 V mai ban sha'awa mai ban sha'awa a kusa da yanayin gama gari na 2 V. Za'a iya samun wannan nau'i na yau da kullum ta amfani da amplifier mai ban mamaki akan guntu, yana kara rage buƙatun yanayin siginar waje.AD7760 yana samuwa a cikin fallen filafili, 64-lead TQFP kuma an ƙayyade shi akan kewayon zafin masana'antu daga -40°C zuwa +85°C.