SC1421 是一款快速、12 位 ADC,采用+5 V 單電源供電,該器件內(nèi)置一個 6 微秒(μs)逐次逼近型模數(shù)轉(zhuǎn)換器、一個片內(nèi)采樣保持放大器、一個片內(nèi)時鐘和一個高速串行接口???a href="http://m.xsypw.cn/tags/pi/" target="_blank">pin對pin兼容AD7893。
SC1421 通過一個高速串行接口端口輸出數(shù)據(jù),這個雙線串行接口具有一個串行時鐘輸入和一個串行數(shù)據(jù)輸出,通過外部串行時鐘可訪問該器件中的串行數(shù)據(jù)。除線性度、滿量程和失調(diào)誤差等傳統(tǒng)直流精度規(guī)格外,SC1421 的動態(tài)性能參數(shù)也做了詳細(xì)規(guī)定,包括諧波失真和信噪比。
該器件可接受的模擬輸入范圍為±10 V,采用+5 V 單電源供電,典型功耗僅 25 mW。
SC1421 提供 8 引腳小形集成封裝(SOIC)。
產(chǎn)品亮點
1、快速、12 位 ADC 采用 8 針引腳封裝
SC1421內(nèi)置一個 6微秒(μs)ADC,一個跟蹤/保持放大器,控制邏輯和一個高速串行接口,所有這些都封裝在 8 針引腳管殼中,這比其他解決方案節(jié)省了相當(dāng)大的空間。
2、低功耗,單電源運(yùn)行
SC1421 采用+5V 單電源運(yùn)行,消耗僅為 25 毫瓦。這種低功耗,單電源的特性使它成為電池供電或便攜式應(yīng)用的理想選擇。
3、高速串行接口
該部件提供高速串行數(shù)據(jù)和串行時鐘線,允許一個簡單的兩線串行接口工作。
主要性能
快速 12 位 ADC,轉(zhuǎn)換時間為 6 微秒
單電源供電
高速、易用的串行接口
片內(nèi)采樣保持放大器
低功耗:25mW(典型值)
輸入范圍±10V
8 引腳小型 SOIC 封裝
應(yīng)用場合
工業(yè)自動化技術(shù)
可編程邏輯控制器 (PLC)
分布式控制系統(tǒng) (DCS)
審核編輯黃宇
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