3-Channel, Low Noise, Low Power, 20-Bit ??? ADC with On-Chip In-Amp and Reference

GENERAL DESCRIPTION The AD7785 is a low power, low noise, complete analog front end for high precision measurement applications. The AD7785 contains a low noise 20-bit ∑-Δ ADC with three differential analog inputs. The on-chip, low noise instrumentation amplifier means that signals of small ampli

文件：635.42 Kbytes 頁數(shù)：32 Pages

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3-Channel, Low Noise, Low Power ADC with On-Chip In-Amp and Reference

文件：480.09 Kbytes 頁數(shù)：33 Pages

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3通道、低噪聲、低功耗、20位Σ-Δ型ADC，內(nèi)置片內(nèi)儀表放大器和基準(zhǔn)電壓源

AD7785是一款適合高精度測量應(yīng)用的低噪聲、低功耗、完整模擬前端，內(nèi)置一個(gè)含有三個(gè)差分模擬輸入的低噪聲20位Σ-Δ型ADC，還集成了片內(nèi)低噪聲儀表放大器，因而該ADC可直接輸入小信號(hào)。當(dāng)增益設(shè)置為64、更新速率為4.17 Hz時(shí)，均方根（RMS）噪聲為40 nV。\n\n 該器件內(nèi)置一個(gè)精密低噪聲、低漂移內(nèi)部帶隙基準(zhǔn)電壓源，也可采用外部差分基準(zhǔn)電壓。其它片內(nèi)特性包括可編程激勵(lì)電流源、熔斷電流控制和偏置電壓產(chǎn)生器，利用偏置電壓產(chǎn)生器可將某一通道的共模電壓設(shè)置為AVDD/2。\n\n AD7785可以采用內(nèi)部時(shí)鐘或外部時(shí)鐘工作，輸出數(shù)據(jù)速率可通過軟件編程設(shè)置，可在4.17 H ? 最高20位有效分辨率\n\n? 均方根（RMS）噪聲\n40 nV（4.17 Hz時(shí)）\n85 nV（16.7 Hz時(shí)）\n\n? 功耗：400 μA（典型值）\n\n? 省電模式：最大1 μA;

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3-Channel, Low Noise, Low Power, 20-Bit ??? ADC with On-Chip In-Amp and Reference

GENERAL DESCRIPTION The AD7785 is a low power, low noise, complete analog front end for high precision measurement applications. The AD7785 contains a low noise 20-bit ∑-Δ ADC with three differential analog inputs. The on-chip, low noise instrumentation amplifier means that signals of small ampli

文件：635.42 Kbytes 頁數(shù)：32 Pages

AD

亞德諾

3-Channel, Low Noise, Low Power, 20-Bit ??? ADC with On-Chip In-Amp and Reference

GENERAL DESCRIPTION The AD7785 is a low power, low noise, complete analog front end for high precision measurement applications. The AD7785 contains a low noise 20-bit ∑-Δ ADC with three differential analog inputs. The on-chip, low noise instrumentation amplifier means that signals of small ampli

文件：635.42 Kbytes 頁數(shù)：32 Pages

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3-Channel, Low Noise, Low Power

文件：636.23 Kbytes 頁數(shù)：32 Pages

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3-Channel, Low Noise, Low Power ADC with On-Chip In-Amp and Reference

文件：480.09 Kbytes 頁數(shù)：33 Pages

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3-Channel, Low Noise, Low Power ADC with On-Chip In-Amp and Reference

文件：480.09 Kbytes 頁數(shù)：33 Pages

AD

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3-Channel, Low Noise, Low Power ADC with On-Chip In-Amp and Reference

文件：480.09 Kbytes 頁數(shù)：33 Pages

AD

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Package：16-TSSOP（0.173"，4.40mm 寬）；包裝：管件 類別：集成電路（IC） 模數(shù)轉(zhuǎn)換器（ADC） 描述：IC ADC 20BIT SIGMA-DELTA 16TSSOP

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