使用 ADA4897-2ARMZ 作为 AD9279 I/Q 输出之后的滤波器、I/V 转换器、电流加法器和 ADC 驱动器的典型应用电路。 ADA4897-2 在 AD9279 的 I/Q 解调器之后用于超声应用中的 CW 多普勒路径。多普勒信号通常在 100 Hz 到 100 kHz 之间。 ADA4897-2 的低本底噪声和高动态范围使其成为处理微弱多普勒信号的绝佳选择。 ADA4897-2 的轨到轨输出和高输出电流驱动使其成为 I/V 转换器、电流加法器和 ADC 驱动器的合适候选者
说明
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Typical Application Circuit Using ADA4897-2ARMZ as Filters, I/V Converters, Current Summers and ADC Drivers After the I/Q Outputs of the AD9279. The ADA4897-2 is used in the CW Doppler path in the ultrasound application after the I/Q demodulators of the AD9279. Doppler signals can be typically between 100 Hz to 100 kHz. The low noise floor and high dynamic range of the ADA4897-2 make them excellent choices for processing weak Doppler signals. The rail-to-rail output and the high output current drive of the ADA4897-2 make them suitable candidates for the I/V converter, current summer and ADC driver
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