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 页数：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 页数：33 Pages

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3通道、低噪声、低功耗、20位Σ-Δ型ADC，内置片内仪表放大器和基准电压源

AD7785是一款适合高精度测量应用的低噪声、低功耗、完整模拟前端，内置一个含有三个差分模拟输入的低噪声20位Σ-Δ型ADC，还集成了片内低噪声仪表放大器，因而该ADC可直接输入小信号。当增益设置为64、更新速率为4.17 Hz时，均方根（RMS）噪声为40 nV。\n\n 该器件内置一个精密低噪声、低漂移内部带隙基准电压源，也可采用外部差分基准电压。其它片内特性包括可编程激励电流源、熔断电流控制和偏置电压产生器，利用偏置电压产生器可将某一通道的共模电压设置为AVDD/2。\n\n AD7785可以采用内部时钟或外部时钟工作，输出数据速率可通过软件编程设置，可在4.17 H • 最高20位有效分辨率\n\n• 均方根（RMS）噪声\n40 nV（4.17 Hz时）\n85 nV（16.7 Hz时）\n\n• 功耗：400 µA（典型值）\n\n• 省电模式：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 页数：32 Pages

AD

亚德诺

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 页数：32 Pages

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3-Channel, Low Noise, Low Power

文件：636.23 Kbytes 页数：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 页数：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 页数：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 页数：33 Pages

AD

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Package：16-TSSOP（0.173"，4.40mm 宽）；包装：管件 类别：集成电路（IC） 模数转换器（ADC） 描述：IC ADC 20BIT SIGMA-DELTA 16TSSOP

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