Touch Screen Controller

GENERAL DESCRIPTION The AD7877 is a 12-bit, successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The AD7877 operates from a single 2.7 V to 5.25 V power supply (functional operation to 2.2 V), and features throughput rates of 1

文件：1.00279 Mbytes 頁數(shù)：44 Pages

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Tape and Reel Packaging

文件：395.36 Kbytes 頁數(shù)：6 Pages

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Tape and Reel Packaging

文件：395.36 Kbytes 頁數(shù)：6 Pages

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Touch Screen Controller

文件：825.31 Kbytes 頁數(shù)：46 Pages

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觸摸屏控制器

AD7877是一款12位逐次逼近型ADC，具有同步串行接口以及用于驅(qū)動觸摸屏的低導(dǎo)通電阻開關(guān)，采用2.7 V至5.25 V單電源供電（2.2 V也可正常運轉(zhuǎn)），吞吐速率為125 kSPS。AD7877可用于兩個輸入上的電池測量、溫度測量和觸摸壓力測量。\n\n AD7877還具有一個2.5 V片上基準電壓源。不使用時，可關(guān)斷基準電壓源以降低功耗。也可以使用外部基準電壓，并可在1 V至+VCC范圍內(nèi)變化，模擬輸入范圍為0 V至VREF。這款器件具有關(guān)斷模式，此模式下功耗不足1 μA。\n\n 片上ADC的相位采集通過STOPACQ引腳來控制，這樣可以降低來自LCD的噪聲影響。 ? 4線觸摸屏接口\n\n? LCD降噪特性（STOPACQ引腳）\n\n? 自動轉(zhuǎn)換序列器與定時器\n\n? 用戶可編程的轉(zhuǎn)換參數(shù)\n\n? 片內(nèi)溫度傳感器：-40°C至+85°C\n\n? 2.5 V片內(nèi)基準電壓源;

ADI

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Touch Screen Controller

GENERAL DESCRIPTION The AD7877 is a 12-bit, successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The AD7877 operates from a single 2.7 V to 5.25 V power supply (functional operation to 2.2 V), and features throughput rates of 1

文件：1.00279 Mbytes 頁數(shù)：44 Pages

AD

亞德諾

Touch Screen Controller

GENERAL DESCRIPTION The AD7877 is a 12-bit, successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The AD7877 operates from a single 2.7 V to 5.25 V power supply (functional operation to 2.2 V), and features throughput rates of 1

文件：1.00279 Mbytes 頁數(shù)：44 Pages

AD

亞德諾

Touch Screen Controller

GENERAL DESCRIPTION The AD7877 is a 12-bit, successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The AD7877 operates from a single 2.7 V to 5.25 V power supply (functional operation to 2.2 V), and features throughput rates of 1

文件：1.00279 Mbytes 頁數(shù)：44 Pages

AD

亞德諾

Touch Screen Controller

GENERAL DESCRIPTION The AD7877 is a 12-bit, successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The AD7877 operates from a single 2.7 V to 5.25 V power supply (functional operation to 2.2 V), and features throughput rates of 1

文件：1.00279 Mbytes 頁數(shù)：44 Pages

AD

亞德諾

Touch Screen Controller

GENERAL DESCRIPTION The AD7877 is a 12-bit, successive approximation ADC with a synchronous serial interface and low on resistance switches for driving touch screens. The AD7877 operates from a single 2.7 V to 5.25 V power supply (functional operation to 2.2 V), and features throughput rates of 1

文件：1.00279 Mbytes 頁數(shù)：44 Pages

AD

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