Спецификации
| Атрибут | Ценность |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | J-FET |
| NumberofCircuits | 2 |
| OutputType | Rail-to-Rail |
| SlewRate | 35V/µs |
| GainBandwidthProduct | 10 MHz |
| -3dbBandwidth | 19 MHz |
| Current-InputBias | 1.3 pA |
| Voltage-InputOffset | 800 µV |
| Current-Supply | 6.3mA (x2 Channels) |
| Current-Output/Channel | 17 mA |
| Voltage-SupplySpan(Min) | 3 V |
| Voltage-SupplySpan(Max) | 36 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Обзор
Description
The AD823AARZ is a precision instrumentation amplifier designed by Analog Devices. It is widely used for sensor signal conditioning and biomedical applications due to its ability to accurately amplify small differential signals in the presence of large common-mode voltages. The device offers low noise, low offset voltage, and a high common-mode rejection ratio, making it suitable for precision measurement applications.
Key features of the AD823AARZ include a dual-supply operation (±1.35V to ±18V), a gain set by external resistors, and a bandwidth that can be tailored to specific applications. Its rail-to-rail outputs and input range allow it to interface effectively with various types of sensors and microcontrollers.
The chip is packaged in a compact SOIC-8 form factor, making it convenient for space-constrained designs. It offers robust performance over a wide temperature range, ensuring reliability in diverse environments. The AD823AARZ is particularly favored in medical devices, industrial instrumentation, and portable equipment due to its high performance and adaptability.
Key features of the AD823AARZ include a dual-supply operation (±1.35V to ±18V), a gain set by external resistors, and a bandwidth that can be tailored to specific applications. Its rail-to-rail outputs and input range allow it to interface effectively with various types of sensors and microcontrollers.
The chip is packaged in a compact SOIC-8 form factor, making it convenient for space-constrained designs. It offers robust performance over a wide temperature range, ensuring reliability in diverse environments. The AD823AARZ is particularly favored in medical devices, industrial instrumentation, and portable equipment due to its high performance and adaptability.
Equivalent
The AD823AARZ is a precision, low power, integrated signal conditioning block. Equivalent products include the INA122 and INA333 from Texas Instruments, the MAX4198 from Maxim Integrated, and the MCP6N11 from Microchip Technology. Ensure compatibility by checking specific requirements like supply voltage, bandwidth, and package type.
Features
The AD823AARZ is an integrated signal conditioning block designed to extract, amplify, and filter small biopotential signals in the presence of noisy environments. Key features include:
1. Compact Design: Available in a small, 8-lead SOIC package, facilitating easy integration into various applications.
2. Low Power Consumption: Operates efficiently with a low quiescent current, making it suitable for battery-powered devices.
3. High CMRR: Offers a high common-mode rejection ratio, ensuring accurate signal processing even in noisy environments.
4. Two-Pole High-Pass Filter: Integrated filter that helps to reject motion artifacts and electrode offset voltages.
5. Three-Pole Low-Pass Filter: Configurable filter for noise reduction and anti-aliasing.
6. Rail-to-Rail Output: Capable of driving loads with a full output voltage range, enhancing flexibility.
7. Single-Supply Operation: Operates from a single supply voltage, simplifying power supply design.
8. Instrumentation Amplifier: Features a high gain and precision, suitable for amplifying weak biomedical signals.
These features make the AD823AARZ ideal for applications such as heart rate monitoring, fitness and medical devices, biopotential measurements, and other portable health monitoring systems.
1. Compact Design: Available in a small, 8-lead SOIC package, facilitating easy integration into various applications.
2. Low Power Consumption: Operates efficiently with a low quiescent current, making it suitable for battery-powered devices.
3. High CMRR: Offers a high common-mode rejection ratio, ensuring accurate signal processing even in noisy environments.
4. Two-Pole High-Pass Filter: Integrated filter that helps to reject motion artifacts and electrode offset voltages.
5. Three-Pole Low-Pass Filter: Configurable filter for noise reduction and anti-aliasing.
6. Rail-to-Rail Output: Capable of driving loads with a full output voltage range, enhancing flexibility.
7. Single-Supply Operation: Operates from a single supply voltage, simplifying power supply design.
8. Instrumentation Amplifier: Features a high gain and precision, suitable for amplifying weak biomedical signals.
These features make the AD823AARZ ideal for applications such as heart rate monitoring, fitness and medical devices, biopotential measurements, and other portable health monitoring systems.
Pinout
The AD823AARZ is an instrumentation amplifier produced by Analog Devices. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. Pin 1 (Ref): Reference input. This pin is used to set the output reference level.
2. Pin 2 (-IN): Inverting input. It’s used for the negative signal input.
3. Pin 3 (+IN): Non-inverting input. It’s used for the positive signal input.
4. Pin 4 (-Vs): Negative power supply. This pin provides the negative supply voltage.
5. Pin 5 (RG): Gain setting resistor. This pin is used for connecting the gain resistor.
6. Pin 6 (RG): Connects to the gain setting resistor (same as pin 5 for symmetry in layout).
7. Pin 7 (Output): Amplifier output. This pin provides the amplified output signal.
8. Pin 8 (+Vs): Positive power supply. This pin provides the positive supply voltage.
This amplifier is particularly used for precision signal conditioning applications due to its low noise, high accuracy, and low drift characteristics.
1. Pin 1 (Ref): Reference input. This pin is used to set the output reference level.
2. Pin 2 (-IN): Inverting input. It’s used for the negative signal input.
3. Pin 3 (+IN): Non-inverting input. It’s used for the positive signal input.
4. Pin 4 (-Vs): Negative power supply. This pin provides the negative supply voltage.
5. Pin 5 (RG): Gain setting resistor. This pin is used for connecting the gain resistor.
6. Pin 6 (RG): Connects to the gain setting resistor (same as pin 5 for symmetry in layout).
7. Pin 7 (Output): Amplifier output. This pin provides the amplified output signal.
8. Pin 8 (+Vs): Positive power supply. This pin provides the positive supply voltage.
This amplifier is particularly used for precision signal conditioning applications due to its low noise, high accuracy, and low drift characteristics.
Manufacturer
The AD823AARZ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is renowned for its high-performance solutions in areas such as data conversion, signal processing, power management, and radio frequency (RF) technologies. ADI's products are commonly used across various industries, including automotive, communications, consumer electronics, healthcare, and industrial applications.
Application
The AD823AARZ is a precision instrumentation amplifier widely used in applications that require accurate differential signal processing. Key areas include:
1. Medical Instrumentation: Used in ECG and other biopotential measurements due to its low noise and high input impedance.
2. Industrial Process Controls: Suitable for sensor signal conditioning and data acquisition systems.
3. Weigh Scales: Provides precise amplification for load cell outputs.
4. Data Acquisition Systems: Ensures accurate and reliable data capture from various sensors.
5. Portable Electronics: Its low power consumption makes it ideal for battery-operated devices.
These applications benefit from its high precision, low offset voltage, and excellent common-mode rejection ratio.
1. Medical Instrumentation: Used in ECG and other biopotential measurements due to its low noise and high input impedance.
2. Industrial Process Controls: Suitable for sensor signal conditioning and data acquisition systems.
3. Weigh Scales: Provides precise amplification for load cell outputs.
4. Data Acquisition Systems: Ensures accurate and reliable data capture from various sensors.
5. Portable Electronics: Its low power consumption makes it ideal for battery-operated devices.
These applications benefit from its high precision, low offset voltage, and excellent common-mode rejection ratio.
Package
The AD823AARZ is an instrumentation amplifier typically packaged in an 8-lead SOIC (Small Outline Integrated Circuit) form. This package type is surface-mount and is commonly used for various electronic applications requiring precise amplification.