AD8422BRMZ

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AD8422BRMZ

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IC INST AMP 1 CIRCUIT 8MSOP

  • HerstellerAnalog Devices Inc.

  • Herstellerteil #AD8422BRMZ

  • Paket MSOP-8

  • Auf Lager2679

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Spezifikationen

Attribut Wert
Package Tube
ProductStatus Active
AmplifierType Instrumentation
NumberofCircuits 1
OutputType Rail-to-Rail
SlewRate 0.8V/µs
-3dbBandwidth 2.2 MHz
Current-InputBias 200 pA
Voltage-InputOffset 50 µV
Current-Supply 300µA
Current-Output/Channel 20 mA
Voltage-SupplySpan(Min) 4.6 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Übersicht

Description

The AD8422BRMZ is an instrumentation amplifier manufactured by Analog Devices, designed for precision signal conditioning with a high level of accuracy and stability. It is part of the AD8422 series, known for its low noise, low distortion, and high common-mode rejection ratio (CMRR). The device operates with a wide range of power supplies, typically from ±2.3V to ±18V, making it versatile for various applications.
Key features of the AD8422BRMZ include a low input bias current, low offset voltage, and low offset drift, which contribute to its precise performance in instrumentation applications. The amplifier has a fixed gain of 1 and allows for easy gain adjustment using external resistors. Its low power consumption and small MSOP package make it suitable for portable and space-constrained designs.
The AD8422BRMZ is commonly used in medical instrumentation, data acquisition systems, and industrial process controls where high accuracy and reliability are essential. Its robust performance ensures accurate amplification of small differential signals in the presence of large common-mode voltages.

Equivalent

The AD8422BRMZ is an instrumentation amplifier produced by Analog Devices. Equivalent products include:
1. INA128 from Texas Instruments
2. MAX4462 from Maxim Integrated
3. LT1167 from Analog Devices (Linear Technology)
4. AD623 from Analog Devices
Each of these alternatives may have slightly different specifications, so it's important to compare key parameters like gain accuracy, bandwidth, noise performance, and power supply requirements to ensure compatibility with your application.

Features

The AD8422BRMZ is a precision instrumentation amplifier designed by Analog Devices. Notable features include:
1. High CMRR: It boasts an exceptional common-mode rejection ratio (CMRR) of up to 140 dB, enhancing its ability to suppress common-mode noise.
2. Low Noise: The amplifier offers a low input noise density of 3 nV/√Hz, making it suitable for precise low-level signal measurements.
3. Wide Supply Range: It supports a dual power supply range from ±2.3 V to ±18 V, providing flexibility in various applications.
4. Low Offset Voltage: The device features a low offset voltage of 50 µV, which minimizes error in output.
5. High Gain Accuracy: It offers a gain accuracy of 0.1% and gain bandwidth product of 10 MHz, ensuring precise amplification of input signals.
6. Temperature Range: The AD8422BRMZ operates efficiently across a wide temperature range from -40°C to +85°C.
7. Input Protection: It includes input protection to tolerate high overvoltages, safeguarding the device from potential damage.
These features make the AD8422BRMZ suitable for various applications, including medical instrumentation, data acquisition systems, and industrial process controls.

Pinout

The AD8422BRMZ is an instrumentation amplifier from Analog Devices. It is primarily used for precision, low-noise signal conditioning applications. The device comes in an MSOP (Mini Small Outline Package) with a pin count of 8. Here’s a brief overview of its pin functions:
1. +IN (Pin 1): Non-inverting input.
2. -IN (Pin 2): Inverting input.
3. REF (Pin 3): Reference voltage input. Used to offset the output.
4. RG (Pin 4): Gain resistor pin. Connects to an external resistor to set the gain.
5. -Vs (Pin 5): Negative power supply.
6. OUT (Pin 6): Output pin.
7. +Vs (Pin 7): Positive power supply.
8. RG (Pin 8): Gain resistor pin. Connects to an external resistor to set the gain.
The AD8422 offers high CMRR (Common-Mode Rejection Ratio), low offset voltage, and low input bias current, making it suitable for differential signal measurements in noisy environments.

Manufacturer

The AD8422BRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. They serve a wide range of industries, including telecommunications, automotive, healthcare, and industrial sectors, providing solutions for signal processing and data conversion applications.

Application

The AD8422BRMZ is a precision instrumentation amplifier commonly used in applications requiring accurate low-level signal amplification. Key application areas include:
1. Medical Instrumentation: Used in ECG and EEG equipment for precise bio-signal acquisition.
2. Industrial Automation: Employed in sensor signal conditioning for pressure, temperature, and flow sensors.
3. Data Acquisition Systems: Offers high accuracy and stability for capturing and processing analog data.
4. Test and Measurement Equipment: Enhances the performance of devices measuring voltage, current, and resistance.
5. Weigh Scales and Load Cells: Provides accurate signal amplification for load measurement systems.
Its low noise, high common-mode rejection ratio (CMRR), and wide supply voltage range make it versatile for precision applications.

Package

The AD8422BRMZ is a precision instrumentation amplifier available in an MSOP-8 package type. MSOP stands for "Mini Small Outline Package," which is a compact, surface-mount package suited for space-constrained applications.

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