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AD9231

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231

12位、20/40/65/80 MSPS、1.8V雙通道模數(shù)轉(zhuǎn)換器; ? 1.8 V模擬電源供電\n\n? 1.8 V至3.3 V輸出電源\n\n? SNR\n\n? 71.3 dBFS（9.7 MHz輸入）\n\n? 69.0 dBFS（200 MHz輸入）\n\n\n\n\n? 無雜散動態(tài)范圍（SFDR）：\n? 93 dBc（9.7 MHz輸入）\n\n? 83 dBc（200 MHz輸入）\n\n\n\n\n? 低功耗\n? 每個(gè)通道32 mW (20 MSPS)\n\n? 每個(gè)通道71 mW (80 MSPS)\n\n\n\n\n? 差分輸入、700 MHz帶寬\n\n? 2 V P-P差分模擬輸入;

AD9231是一款單芯片、雙通道、12位、20 MSPS/40 MSPS/65 MSPS/80 MSPS模數(shù)轉(zhuǎn)換器(ADC)，采用1.8 V電源供電，內(nèi)置高性能采樣保持電路和片內(nèi)基準(zhǔn)電壓源。\n\n 該產(chǎn)品采用多級差分流水線架構(gòu)，內(nèi)置輸出糾錯(cuò)邏輯，在80 MSPS數(shù)據(jù)速率時(shí)可提供12位精度，并保證在整個(gè)工作溫度范圍內(nèi)無失碼。\n\n 該ADC內(nèi)置多種功能特性，可使器件的靈活性達(dá)到較佳、系統(tǒng)成本較低，例如可編程時(shí)鐘與數(shù)據(jù)對準(zhǔn)、生成可編程數(shù)字測試碼等。可獲得的數(shù)字測試碼包括內(nèi)置固定碼和偽隨機(jī)碼，以及通過串行端口接口(SPI)輸入的用戶自定義測試碼。\n\n 采用一個(gè)差分時(shí)鐘輸入來控制所有內(nèi)部轉(zhuǎn)換周期?？蛇x的占空比穩(wěn)定器(DCS)用來補(bǔ)償較大的時(shí)鐘占空比波動，同時(shí)保持出色的ADC總體性能。\n\n 數(shù)字輸出數(shù)據(jù)格式為偏移二進(jìn)制、格雷碼或二進(jìn)制補(bǔ)碼。每個(gè)ADC通道均有一個(gè)數(shù)據(jù)輸出時(shí)鐘(DCO)，用來確保接收邏輯具有正確的鎖存時(shí)序。該器件支持1.8 V和3.3 V兩種CMOS電平，輸出數(shù)據(jù)可以在單條輸出總線上多路復(fù)用。\n\n AD9231采用64引腳LFCSP封裝，符合RoHS標(biāo)準(zhǔn)，額定溫度范圍為?40°C至+85°C工業(yè)溫度范圍。\n\n 產(chǎn)品聚焦\n\n AD9231采用1.8 V單模擬電源供電，而數(shù)字輸出驅(qū)動器采用獨(dú)立的電源供電，以適應(yīng)1.8 V至3.3 V邏輯。 取得專利的采樣保持電路在最高200 MHz的輸入頻率下仍保持出色的性能，而且成本低、功耗低、易于使用。 標(biāo)準(zhǔn)串行端口接口支持各種產(chǎn)品特性和功能，例如：數(shù)據(jù)輸出格式化、內(nèi)部時(shí)鐘分頻器、省電模式、DCO/DATA時(shí)序和偏移調(diào)整、以及基準(zhǔn)電壓源模式等。 AD9231采用64引腳LFCSP封裝，符合RoHS標(biāo)準(zhǔn)，與16位ADC AD9268、14位ADC AD9258、14位ADC AD9251和10位ADC AD9204引腳兼容，因此采樣速率為20 MSPS至125 MSPS的10位至16位轉(zhuǎn)換器可輕松實(shí)現(xiàn)升級。

AD9231-20EBZ

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231-40EBZ

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231-65EBZ

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231-80EBZ

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231BCPZ-20

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231BCPZ-40

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231BCPZ-65

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3

AD9231BCPZ-80

12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter

GENERALDESCRIPTION TheAD9231isamonolithic,dual-channel,1.8Vsupply,12-bit,20MSPS/40MSPS/65MSPS/80MSPSanalog-to-digitalconverter(ADC).Itfeaturesahighperformancesample-and-holdcircuitandon-chipvoltagereference. FEATURES 1.8Vanalogsupplyoperation 1.8Vto3.3