Programmable Capacitance-to-Digital Converter with Environmental Compensation

GENERAL DESCRIPTION The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as c

文件：1.3517 Mbytes 頁數(shù)：68 Pages

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Programmable Controller for Capacitance Touch Sensors

GENERAL DESCRIPTION The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as c

文件：844.88 Kbytes 頁數(shù)：73 Pages

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Programmable Controller for Capacitance Touch Sensors

文件：1.11848 Mbytes 頁數(shù)：70 Pages

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電容式觸摸傳感器專用可編程控制器

AD7142和AD7142-1是具有片內(nèi)環(huán)境校準(zhǔn)功能的集成式電容-數(shù)字轉(zhuǎn)換器(CDC)，可用于需要采用新型用戶輸入法的系統(tǒng)。AD7142和AD7142-1可與外部電容式傳感器接口，從而實(shí)現(xiàn)電容按鈕、滾動(dòng)條或滾輪等功能。\n\n 該CDC有14個(gè)輸入通道，通過一個(gè)開關(guān)矩陣與一個(gè)16位、250 kHz Σ-Δ型電容數(shù)字轉(zhuǎn)換器相連。該CDC能夠感知外部傳感器的電容變化，并借助此信息來記錄傳感器激活事件。外部傳感器既可配置成一系列按鈕，也可配置成一個(gè)滾動(dòng)條或滾輪，或者各類傳感器的組合。通過對(duì)寄存器進(jìn)行編程，用戶可完全控制CDC設(shè)置。高分辨率傳感器要求在主處理器上運(yùn)行較少的軟件。 \n\n ? 可編程的電容數(shù)字轉(zhuǎn)換器\n36 ms的更新速率（最大序列長(zhǎng)度時(shí)）\n分辨率優(yōu)于1 fF\n14個(gè)電容式傳感器輸入通道\n無需使用外部RC調(diào)諧元件\n自動(dòng)轉(zhuǎn)換定序器\n\n? 片內(nèi)自動(dòng)校準(zhǔn)邏輯\n自動(dòng)補(bǔ)償環(huán)境變化\n自適應(yīng)的閾值和靈敏度電平\n\n? 用片內(nèi)RAM存儲(chǔ)校準(zhǔn)數(shù)據(jù)\n\n? SPI?兼容型串行接口(AD7142) \n\n? I2C?兼容型串行接口(AD7142-1) \n\n\n\n? 串行接口專用獨(dú)立VDRIVE電平\n\n? 中斷輸出和GPIO \n\n? 32-引腳、5 mm x 5 mm LFCSP_VQ封裝 \n\n? 電源電壓：2.6 V至3.6 V\n\n? 低工;

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Programmable Controller for Capacitance Touch Sensors

GENERAL DESCRIPTION The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as c

文件：844.88 Kbytes 頁數(shù)：73 Pages

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Programmable Controller for Capacitance Touch Sensors

GENERAL DESCRIPTION The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as c

文件：844.88 Kbytes 頁數(shù)：73 Pages

AD

亞德諾

Programmable Controller for Capacitance Touch Sensors

GENERAL DESCRIPTION The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as c

文件：844.88 Kbytes 頁數(shù)：73 Pages

AD

亞德諾

Programmable Controller for Capacitance Touch Sensors

GENERAL DESCRIPTION The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as c

文件：844.88 Kbytes 頁數(shù)：73 Pages

AD

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Programmable Controller for Capacitance Touch Sensors

GENERAL DESCRIPTION The AD7142 and AD7142-1 are integrated capacitance-to-digital converters (CDCs) with on-chip environmental calibration for use in systems requiring a novel user input method. The AD7142 and AD7142-1 can interface to external capacitance sensors implementing functions such as c

文件：844.88 Kbytes 頁數(shù)：73 Pages

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Programmable Controller for Capacitance Touch Sensors

文件：958.53 Kbytes 頁數(shù)：73 Pages

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