Buffered, 8-Channel Simultaneous Sampling, 16-Bit 250 kSPS DAS

FEATURES ? Complete 16-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 250 kSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：2.85315 Mbytes 頁數(shù)：68 Pages

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Buffered, 8-Channel Simultaneous Sampling, 16-Bit 250 kSPS DAS

FEATURES ? Complete 16-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 250 kSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：2.85315 Mbytes 頁數(shù)：68 Pages

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Buffered, 8-Channel Simultaneous Sampling, 16-Bit 250 kSPS DAS

FEATURES ? Complete 16-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 250 kSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：2.85315 Mbytes 頁數(shù)：68 Pages

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Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS

FEATURES ? Complete 16-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 1 MSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：2.69465 Mbytes 頁數(shù)：68 Pages

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Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS

FEATURES ? Complete 16-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 1 MSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：2.69465 Mbytes 頁數(shù)：68 Pages

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Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS

FEATURES ? Complete 16-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 1 MSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：2.69465 Mbytes 頁數(shù)：68 Pages

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Buffered, 8-Channel Simultaneous Sampling, 20-Bit 1 MSPS DAS

FEATURES ? Complete 20-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 1 MSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：3.03643 Mbytes 頁數(shù)：70 Pages

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Buffered, 8-Channel Simultaneous Sampling, 20-Bit 1 MSPS DAS

FEATURES ? Complete 20-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 1 MSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：3.03643 Mbytes 頁數(shù)：70 Pages

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Buffered, 8-Channel Simultaneous Sampling, 20-Bit 1 MSPS DAS

FEATURES ? Complete 20-bit data acquisition system ? Simultaneous sampling of 8 internally buffered channels ? 1 MSPS per channel throughput ? Differential, wide common-mode range inputs ? ±75 pA typical input leakage at 25°C ? Full-scale input step settling time

文件：3.03643 Mbytes 頁數(shù)：70 Pages

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緩沖8通道同步采樣、20位1 MSPS DAS

AD4858是一款完全緩沖的8通道同步采樣、20位、1 MSPS數(shù)據(jù)采集系統(tǒng)(DAS)，具有差分、寬共模范圍輸入。其功能架構(gòu)如數(shù)據(jù)手冊(cè)中的圖1所示。AD4858采用5 V低電壓電源、靈活的輸入緩沖器電源供電，并使用精密低漂移內(nèi)部基準(zhǔn)電壓源和基準(zhǔn)電壓源緩沖器，支持獨(dú)立配置每個(gè)通道的SoftSpan范圍，以匹配本機(jī)應(yīng)用信號(hào)擺幅，從而盡可能地減少額外的外部信號(hào)調(diào)理。為了進(jìn)一步充分?jǐn)U大單次轉(zhuǎn)換動(dòng)態(tài)范圍，AD4858采用了無縫高動(dòng)態(tài)范圍(SHDR)技術(shù)。通道的輸入信號(hào)路徑增益使能后會(huì)逐個(gè)樣本地自動(dòng)優(yōu)化，從而在不影響線性度的情況下，盡可能地降低每個(gè)樣本上的轉(zhuǎn)換器噪聲。\n\n AD4858具有1 ? 完整的20位數(shù)據(jù)采集系統(tǒng)\n? 每通道吞吐量1 MSPS\n? 差分、寬共模范圍輸入\n? 輸入漏電流：±75 pA（典型值，25°C）\n? 滿量程輸入階躍建立時(shí)間< 300 ns\n? 集成基準(zhǔn)電壓源和基準(zhǔn)電壓源緩沖器(4.096 V)\n? 集成電源去耦電容\n? 每通道45 mW (1 MSPS)，功耗與吞吐量成比例\n? 極少的外部信號(hào)調(diào)理\n? 無縫高動(dòng)態(tài)范圍\n? 保持ppm級(jí)INL\n? 每通道SoftSpan輸入范圍，雙極或單極\n? 0 V至40 V、25 V、20 V、12.5 V、10 V、6.25 V、5 V、2.5 V;

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