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AD8228ARMZ

Name: AD8228ARMZ
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8MSOP

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規格

Part Status	Active
Amplifier Type	Instrumentation
Number of Circuits	1
Slew Rate	2.5V/µs
Current - Input Bias	500 pA
Voltage - Input Offset	90 µV
Current - Supply	850µA
Current - Output / Channel	18 mA
Voltage - Supply Span (Min)	4.6 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-MSOP
Base Product Number	AD8228
-3db Bandwidth	650 kHz

概述

Description

The AD8228ARMZ is a precision instrumentation amplifier designed by Analog Devices. It features low power consumption and high performance, making it ideal for applications such as medical instrumentation, industrial control, and sensor signal processing.
Key specifications include a low input offset voltage, high common-mode rejection ratio (CMRR), and a wide supply voltage range. The AD8228 can operate from a single or dual supply, allowing flexibility in circuit design. Its gain can be set via external resistors, enabling customization for specific applications.
With its low noise and high accuracy, the AD8228 is suitable for amplifying low-level signals in the presence of high noise. It is packaged in a compact surface-mount format, facilitating integration into space-constrained designs. Overall, the AD8228ARMZ is a versatile choice for designers needing reliable and precise signal amplification in demanding environments.

Features

The AD8228ARMZ is a low-power instrumentation amplifier designed for precision signal conditioning. Key features include:
1. Low Noise: Offers high CMRR and low noise, making it suitable for accurate measurement in noisy environments.
2. Wide Supply Voltage Range: Operates from a single supply of 2.7V to 5.5V, providing flexibility for battery-powered applications.
3. Low Power Consumption: Consumes only 70 µA of current, enhancing battery life in portable devices.
4. High Input Impedance: Ensures minimal loading on the signal source, preserving signal integrity.
5. Gain Configurability: External resistors can set gain from 1 to 1000, allowing for versatile application in various signal ranges.
6. Rail-to-Rail Output: Provides output swing close to the supply rails, maximizing dynamic range.
7. Temperature Range: Operates from -40°C to +125°C, ensuring reliability in harsh environments.
These features make the AD8228ARMZ ideal for medical instrumentation, sensor interfacing, and other precision applications.

Package

The AD8228ARMZ is packaged in a 5mm x 3mm LFCSP (Lead Frame Chip Scale Package) with a 32-lead configuration. This compact package type is designed for surface mounting and provides good thermal performance and high density for integrated circuits.

Pinout

The AD8228ARMZ is an instrumentation amplifier from Analog Devices with a total of 8 pins.
Pin Count: 8 pins
Pin Functions:
1. Pin 1: Output (Vout), the amplified output signal.
2. Pin 2: Non-inverting input (V+), where the input signal is applied.
3. Pin 3: Inverting input (V-), the second input for differential measurement.
4. Pin 4: Reference (Ref), used to set the output reference voltage.
5. Pin 5: Gain setting (G), allows for external resistor connection to set gain.
6. Pin 6: Power supply (Vs+), positive power supply connection.
7. Pin 7: Power supply (Vs-), negative power supply connection.
8. Pin 8: NC (No Connect), not internally connected.
The AD8228 is designed for low-power applications and provides high precision in signal amplification.

Manufacturer

The AD8228ARMZ is manufactured by Analog Devices, Inc. Analog Devices is a global company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company designs and produces a wide range of products used in various applications, including automotive, industrial, communications, healthcare, and consumer electronics. Analog Devices is known for its focus on innovation and technology, offering solutions that enhance performance and efficiency in electronic systems. The AD8228 is an instrumentation amplifier, widely used for precise low-level signal amplification in various measurement and sensor applications.

Application

The AD8228ARMZ is an instrumentation amplifier primarily used in medical devices, industrial sensors, and data acquisition systems. Its applications include amplifying low-level signals from strain gauges, thermocouples, and pressure sensors. It is also suitable for portable and battery-operated devices due to its low power consumption and high common-mode rejection ratio, making it ideal for precision measurement in noisy environments.

Equivalent

Equivalent products to the AD8228ARMZ instrumentation amplifier include the INA126 (Texas Instruments), AD623 (Analog Devices), and LTC2057 (Analog Devices). These alternatives offer similar performance characteristics suitable for low-power amplification in various applications. Always check specific datasheets for compatibility and performance details.