AD8227ARZ-R7

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AD8227ARZ-R7

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IC INST AMP 1 CIRCUIT 8SOIC

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Amplifier Type Instrumentation
Number of Circuits 1
Output Type Rail-to-Rail
Slew Rate 0.8V/µs
-3 dB Bandwidth 250 kHz
Current - Input Bias 20 nA
Voltage - Input Offset 200 µV
Supply Current 350µA
Current - Output / Channel 13 mA
Voltage - Supply Span(Min) 2.2 V
Voltage - Supply Span(Max) 36 V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Visão Geral

Description

The AD8227ARZ-R7 is an instrumentation amplifier manufactured by Analog Devices. It is designed for precise amplification of small differential signals in the presence of large common-mode voltages. The device offers a high Common-Mode Rejection Ratio (CMRR) and low input offset voltage, making it suitable for applications requiring high accuracy, such as data acquisition, medical instrumentation, and sensor interfacing.
Key features of the AD8227 include a gain set by a single resistor, rail-to-rail output, and wide power supply range. The amplifier operates over a single supply voltage range of 2.2 V to 36 V or dual supplies from ±1.1 V to ±18 V, allowing flexibility in various applications. It also exhibits low power consumption, making it ideal for battery-powered devices.
The AD8227 is housed in a small MSOP package, which is beneficial for space-constrained applications. Its robust performance in demanding environments makes it a reliable choice for engineers seeking precision and stability in their analog signal processing tasks.

Equivalent

The AD8227ARZ-R7 is a low-cost, wide supply range instrumentation amplifier. Equivalent products include:
1. Texas Instruments INA126 - a low-power precision instrumentation amplifier.
2. Analog Devices AD620 - another low-power, low-cost instrumentation amplifier.
3. Maxim Integrated MAX4194 - a low-drift precision instrumentation amplifier.
4. Microchip MCP6N11 - a low-power instrumentation amplifier with rail-to-rail output.
Always verify specifications and compatibility with your design requirements before selecting an equivalent.

Features

The AD8227ARZ-R7 is a precision instrumentation amplifier designed by Analog Devices. It features a high Common Mode Rejection Ratio (CMRR) and low offset voltage, making it suitable for precise and accurate signal conditioning. The device operates with a single supply of 3 V to 12 V, making it versatile for various applications. It offers a fixed gain of 5, simplifying design efforts, and has a low power consumption of 400 μA, which is ideal for battery-powered applications.
Key features include its excellent DC precision with a typical offset voltage of 200 μV and drift of 1 μV/°C, ensuring reliable measurements over temperature variations. The AD8227ARZ-R7 also provides a wide input voltage range and high input impedance, enhancing its capability to interface with different sensors. It comes in a small SOIC-8 package, saving space on PCBs.
Overall, the AD8227ARZ-R7 is well-suited for applications such as medical instrumentation, data acquisition, and industrial process controls that require high precision and low power consumption.

Pinout

The AD8227ARZ-R7 is an instrumentation amplifier from Analog Devices. It is available in an 8-lead SOIC (Small Outline Integrated Circuit) package. The primary function of the AD8227 is to amplify small differential signals in the presence of large common-mode voltages. It is particularly designed for precision data acquisition systems.
The pin count for the AD8227ARZ-R7 is 8, and its pin functions are typically as follows:
1. Ref - Reference voltage input.
2. -IN - Inverting input.
3. +IN - Non-inverting input.
4. RG - Gain setting resistor pin.
5. GND - Ground.
6. V+ - Positive power supply.
7. V- - Negative power supply.
8. Output - Amplifier output.
The device is known for its low power consumption, high CMRR (Common-Mode Rejection Ratio), and low offset voltage, making it ideal for use in applications like sensor signal conditioning and medical instrumentation.

Manufacturer

The AD8227ARZ-R7 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company specializes in products and solutions for a variety of applications, including data conversion, signal processing, power management, and radio frequency (RF) and microwave technologies. Their components are commonly used in industries such as automotive, communications, consumer electronics, healthcare, industrial automation, and instrumentation. Analog Devices is recognized for its innovation and quality in the field of integrated circuits, supporting the development of advanced technologies across numerous sectors.

Application

The AD8227ARZ-R7 is a high-performance instrumentation amplifier commonly used in applications requiring accurate signal acquisition and conditioning. Key application areas include:
1. Industrial Process Controls: For accurate sensor signal amplification and data acquisition.
2. Medical Instrumentation: In devices such as ECG and EEG machines for precise biological signal amplification.
3. Weigh Scales: To amplify low-level signals from load cells.
4. Strain Gauge Amplification: For stress analysis in structures.
5. Bridge Sensor Interfaces: Enhancing signals from sensors like pressure sensors.
6. Data Acquisition Systems: To improve signal integrity and accuracy.
These applications benefit from the AD8227ARZ-R7’s low power consumption, wide supply range, and high CMRR.

Package

The AD8227ARZ-R7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. This type of package is compact and suitable for surface mounting on printed circuit boards (PCBs).

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