AD822ARZ

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IC OPAMP GP 2 CIRCUIT 8SOIC

  • FabricanteAnalog Devices Inc.

  • Peça do Fabricante #AD822ARZ

  • Pacote SOIC-8

  • Em Estoque5694

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Especificações

Atributo Valor
Package Tube
ProductStatus Active
AmplifierType General Purpose
NumberofCircuits 2
OutputType Rail-to-Rail
SlewRate 3V/µs
GainBandwidthProduct 1.9 MHz
-3dbBandwidth 1.9 MHz
Current-InputBias 2 pA
Voltage-InputOffset 400 µV
Current-Supply 1.24mA
Current-Output/Channel 20 mA
Voltage-SupplySpan(Min) 5 V
Voltage-SupplySpan(Max) 30 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Visão Geral

Description

The AD822ARZ is a precision instrumentation amplifier from Analog Devices, designed to amplify small differential signals in the presence of large common-mode voltages. It features low input bias current, low offset voltage, and high CMRR (Common-Mode Rejection Ratio), making it suitable for precision sensor applications such as strain gauges, thermocouples, and medical instrumentation.
Key features of the AD822ARZ include:
- High Accuracy: Offers low offset voltage and drift.
- High CMRR: Ensures excellent rejection of common-mode signals.
- Wide Gain Range: Adjustable gain through external resistors to suit various applications.
- Low Noise: Maintains signal integrity with reduced noise interference.
- Rail-to-Rail Output: Provides maximum dynamic range on single or dual supply voltages.
The device is available in a small SOIC-8 package, making it easy to integrate into space-constrained designs. Its wide supply voltage range and robust performance across temperature variations make it versatile for industrial and instrumentation uses.

Equivalent

The AD822ARZ is an instrumentation amplifier from Analog Devices. Equivalent products include:
1. INA118 from Texas Instruments
2. MAX4194 from Maxim Integrated
3. LT1167 from Analog Devices (formerly Linear Technology)
These alternatives offer similar functions, but it's essential to check their specifications to ensure they meet your specific application needs.

Features

The AD822ARZ is a precision instrumentation amplifier known for its high performance and low power consumption. Key features include:
1. High Accuracy: It offers a low offset voltage and low offset drift, ensuring precise measurements over a wide temperature range.
2. Low Noise: With low input noise, it is suitable for applications requiring high signal fidelity.
3. High Common-Mode Rejection Ratio (CMRR): This ensures excellent rejection of common-mode signals, enhancing accuracy in noisy environments.
4. Gain Flexibility: The gain is easily set with a single external resistor, providing adaptability for various applications.
5. Wide Supply Range: It operates with dual supplies ranging from ±2.3V to ±18V or a single supply from 2.3V to 36V, suitable for diverse power conditions.
6. Rail-to-Rail Output: This feature maximizes dynamic range, useful in applications where the full output swing is needed.
7. Low Power Consumption: Ideal for battery-powered and portable applications.
8. Small Package: Available in an 8-pin SOIC, which is space-saving for compact designs.
These features make the AD822ARZ suitable for precision data acquisition, medical instrumentation, and other applications demanding high accuracy and low noise.

Pinout

The AD822ARZ is an instrumentation amplifier from Analog Devices, typically housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise overview of its pin configuration and functions:
1. Pin 1 (RG): Gain Resistor. Connects an external resistor to set the gain.
2. Pin 2 (V- or -Vs): Negative Supply Voltage.
3. Pin 3 (Vin+ or +IN): Non-inverting Input.
4. Pin 4 (Vin- or -IN): Inverting Input.
5. Pin 5 (REF): Reference Input. Used to shift the output level.
6. Pin 6 (Vout or OUT): Output. Provides the amplified signal.
7. Pin 7 (V+ or +Vs): Positive Supply Voltage.
8. Pin 8 (RG): Gain Resistor. Connects to the other side of the external gain-setting resistor.
The AD822ARZ is designed for precise, low-noise amplification of differential signals and is commonly used in applications requiring high gain accuracy, such as sensor signal conditioning.

Manufacturer

The AD822ARZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a wide range of industries, including telecommunications, healthcare, automotive, and industrial sectors. The company is known for producing high-performance components such as amplifiers, converters, sensors, and other signal processing devices, which are used in various electronic applications.

Application

The AD822ARZ is an instrumentation amplifier commonly used in applications requiring precise low-level signal acquisition and amplification. Typical application areas include medical instrumentation, such as ECG and EEG systems, where accurate biopotential signal measurement is critical. It is also used in industrial process controls for sensor signal conditioning, ensuring precise monitoring and control. Additionally, the AD822ARZ is employed in strain gauge and pressure transducer applications due to its ability to handle low amplitude signals with high common-mode rejection. Its robust performance in noisy environments makes it suitable for use in data acquisition systems and seismology. Overall, the AD822ARZ is valued for its precision, low offset voltage, and high gain accuracy in various sensitive signal processing applications.

Package

The AD822ARZ is an instrumentation amplifier from Analog Devices, and it comes in an SOIC-8 package type. SOIC, or Small Outline Integrated Circuit, is a surface-mounted package with a gull-wing lead shape, typically used for compact electronic circuits.

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