Ultralow Power, Low Distortion

GENERAL DESCRIPTION The ADA4940-1/ADA4940-2 are low noise, low distortion fully differential amplifiers with very low power consumption. They are an ideal choice for driving low power, high resolution, high performance SAR and sigma-delta (Σ-Δ) analog-to-digital converters (ADCs) with resolutio

文件：926.18 Kbytes 页数：32 Pages

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Precision, Low Power Differential Amplifier/ADC Driver Family

FEATURES APPLICATIONS nn Available with User Settable Gain or Fixed-Gain of 0.5V/V, 1V/V, or 2V/V nn 2.9nV/√Hz Input-Referred Noise nn 2mA Maximum Supply Current nn 45ppm Max Gain Error nn 0.5ppm/°C Max Gain Error Drift nn 94dB Min CMRR nn 100μV Max Offset Voltage nn 50nA Max Input Offse

文件：3.50258 Mbytes 页数：42 Pages

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Matched Resistor Network for Precision Amplifiers

文件：939.95 Kbytes 页数：16 Pages

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Ultralow Power, Low Distortion, Fully Differential ADC Drivers

文件：1.0257 Mbytes 页数：30 Pages

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超低功耗、低失真ADC驱动器

ADA4940-1 / ADA4940-2 是低噪声、低失真、超低功耗的差分放大器，非常适合驱动分辨率最高为18位、DC至1MHz的低功耗、高分辨率、高性能SAR型和Σ-Δ型模数转换器(ADC)，静态电流仅1.25 mA。可调输出共模电平使ADA4940-x能够与多个ADC的输入共模电压相匹配。内部共模反馈环路也可提供出色的输出平衡，并能抑制偶数阶谐波失真产物。\n\n 对于ADA4940-1/ADA4940-2，利用由4个电阻组成的简单外部反馈网络便可轻松实现差分增益配置，反馈网络决定放大器的闭环增益。ADA4940-1/ADA4940-2采用ADI公司的互补双极性工艺制造，可实现 • 小信号带宽：260 MHz\n\n• 超低功耗：1.25mA\n\n• 极低的谐波失真\n• -122 dB THD (50 kHz)\n\n• -96 dB THD (1 MHz)\n\n\n\n\n• 低输入电压噪声：3.9 nV/√Hz\n\n• 失调电压：0.35 mV（最大值）\n\n• 平衡输出\n\n• 0.1%建立时间：34 ns\n\n• 轨到轨输出：−VS + 0.1 V至+VS − 0.1 V\n\n• 可调输出共模电压\n\n• 灵活的电源：3 V至7 V (LFCSP)\n\n• 禁用引脚用于降低功耗\n\n• 提供LFCSP和SOIC封装;

ADI

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Ultralow Power, Low Distortion

GENERAL DESCRIPTION The ADA4940-1/ADA4940-2 are low noise, low distortion fully differential amplifiers with very low power consumption. They are an ideal choice for driving low power, high resolution, high performance SAR and sigma-delta (Σ-Δ) analog-to-digital converters (ADCs) with resolutio

文件：926.18 Kbytes 页数：32 Pages

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亚德诺

Ultralow Power, Low Distortion

GENERAL DESCRIPTION The ADA4940-1/ADA4940-2 are low noise, low distortion fully differential amplifiers with very low power consumption. They are an ideal choice for driving low power, high resolution, high performance SAR and sigma-delta (Σ-Δ) analog-to-digital converters (ADCs) with resolutio

文件：926.18 Kbytes 页数：32 Pages

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亚德诺

Ultralow Power, Low Distortion

GENERAL DESCRIPTION The ADA4940-1/ADA4940-2 are low noise, low distortion fully differential amplifiers with very low power consumption. They are an ideal choice for driving low power, high resolution, high performance SAR and sigma-delta (Σ-Δ) analog-to-digital converters (ADCs) with resolutio

文件：926.18 Kbytes 页数：32 Pages

AD

亚德诺

Ultralow Power, Low Distortion

GENERAL DESCRIPTION The ADA4940-1/ADA4940-2 are low noise, low distortion fully differential amplifiers with very low power consumption. They are an ideal choice for driving low power, high resolution, high performance SAR and sigma-delta (Σ-Δ) analog-to-digital converters (ADCs) with resolutio

文件：926.18 Kbytes 页数：32 Pages

AD

亚德诺

Ultralow Power, Low Distortion

GENERAL DESCRIPTION The ADA4940-1/ADA4940-2 are low noise, low distortion fully differential amplifiers with very low power consumption. They are an ideal choice for driving low power, high resolution, high performance SAR and sigma-delta (Σ-Δ) analog-to-digital converters (ADCs) with resolutio

文件：926.18 Kbytes 页数：32 Pages

AD

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