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- Part Number AD823AN
- Manufacturer Analog Devices
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - N-8 (BSC)
- Released Date Jun 28, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
AD823AN Details
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Manufacturer Part Number:
AD823AN
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Part Life Cycle Code:
Obsolete
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Part Package Code:
DIP
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Package Description:
PLASTIC, MO-095AA, DIP-8
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Pin Count:
8
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ECCN Code:
EAR99
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HTS Code:
8542.33.00.01
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Manufacturer:
Analog Devices Inc
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YTEOL:
0
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Amplifier Type:
OPERATIONAL AMPLIFIER
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Architecture:
VOLTAGE-FEEDBACK
AD823AN Frequently Asked Questions (FAQs)
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The AD823AN is a sensitive analog device, and proper layout and placement are crucial for optimal performance. It is recommended to place the AD823AN close to the electrodes, use a ground plane, and keep the analog and digital signals separate. A 4-layer PCB with a dedicated analog ground layer is recommended. Refer to the AD823AN evaluation board layout for a reference design.
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The AD823AN has a built-in filter, but additional filtering may be necessary to remove noise and interference. A common approach is to use a notch filter to remove 50/60 Hz power line noise, followed by a low-pass filter to remove high-frequency noise. Digital filtering techniques such as wavelet denoising or adaptive filtering can also be used.
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The optimal gain setting depends on the specific ECG application and the signal amplitude. The AD823AN has a gain range of 1 to 100, and a gain of 100 is typically used for most ECG applications. However, if the signal amplitude is very small, a higher gain may be necessary. It is recommended to experiment with different gain settings to find the optimal value for your specific application.
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The AD823AN requires calibration to ensure accurate ECG measurements. Calibration involves adjusting the gain and offset to match the signal amplitude and DC offset of the ECG signal. A calibration procedure can be implemented using a known reference signal, such as a calibration signal generator or a known ECG signal. The calibration procedure should be performed at the beginning of each measurement session.
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The power consumption of the AD823AN depends on the operating mode and the supply voltage. In normal operation, the power consumption is typically around 1.5 mA. To reduce power consumption, the AD823AN can be operated in low-power mode, which reduces the power consumption to around 0.5 mA. Additionally, the supply voltage can be reduced to minimize power consumption.
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AD823AN Overview
Use the download button to access the AD823AN schematic symbol, PCB footprint, and 3D model.
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About Analog Devices
Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries.
Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.
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