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AD8227ARMZ

Name: AD8227ARMZ
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8MSOP

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Mfr。パート #AD8227ARMZ
パッケージ MSOP-8
データシート AD8227ARMZ DataSheet
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仕様

Package	Tube
ProductStatus	Active
AmplifierType	Instrumentation
NumberofCircuits	1
OutputType	Rail-to-Rail
SlewRate	0.8V/µs
-3dbBandwidth	250 kHz
Current-InputBias	20 nA
Voltage-InputOffset	200 µV
Current-Supply	350µA
Current-Output/Channel	13 mA
Voltage-SupplySpan(Min)	2.2 V
Voltage-SupplySpan(Max)	36 V
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概要

Description

The AD8227ARMZ is a low-power, precision instrumentation amplifier designed for sensor signal conditioning in applications requiring high accuracy and low noise. It features a high common-mode rejection ratio (CMRR) and low offset voltage, making it suitable for amplifying small differential signals in the presence of high common-mode voltages.
Key specifications include a gain range of 1 to 1000, a low input bias current, and a wide supply voltage range, allowing it to operate effectively in various environments. The device is particularly useful in medical instrumentation, industrial process control, and data acquisition systems.
Its compact package (e.g., MSOP) enables integration into space-constrained designs. The AD8227 also provides adjustable gain through external resistors, offering flexibility for different applications. Overall, the AD8227ARMZ is an excellent choice for applications requiring high-performance amplification of low-level signals.

Features

The AD8227ARMZ is a low-power, instrumentation amplifier designed for high-performance applications. Key features include:
1. Low Power Consumption: Typically consumes only 1.1 mA, making it ideal for battery-operated devices.
2. High Precision: Offers low offset voltage (50 µV max) and low offset drift (0.2 µV/°C), ensuring accurate signal amplification.
3. Gain Options: Fixed gain of 10, with the option to set different gains using external resistors.
4. Wide Input Range: Accepts input voltages from ±200 mV to ±200 mV, making it versatile for various applications.
5. Rail-to-Rail Output: Outputs can swing to the supply rails, maximizing dynamic range.
6. High Common-Mode Rejection Ratio (CMRR): Provides excellent CMRR of 110 dB, ensuring minimal impact from noise on the input signal.
7. Single-Supply Operation: Operates from a single supply voltage of 2.7 V to 36 V, enhancing flexibility in design.
These features make the AD8227ARMZ suitable for medical devices, industrial sensors, and data acquisition systems.

Package

The AD8227ARMZ is packaged in a 8-lead MSOP (Mini Small Outline Package) with a thin profile.

Pinout

The AD8227ARMZ is a low-power instrumentation amplifier with a total of 8 pins. Here’s a brief overview of its pin count and functions:
1. Pin 1 (V+): Positive power supply voltage.
2. Pin 2 (IN+): Non-inverting input.
3. Pin 3 (IN-): Inverting input.
4. Pin 4 (RG): Gain resistor connection; allows setting the gain of the amplifier.
5. Pin 5 (V-): Negative power supply voltage.
6. Pin 6 (OUT): Output voltage.
7. Pin 7 (NC): No connection; not internally connected.
8. Pin 8 (REF): Reference voltage input, used for level shifting the output.
The AD8227ARMZ is designed for applications requiring high precision and low noise, making it suitable for sensor signal conditioning, data acquisition systems, and medical instrumentation.

Manufacturer

The AD8227ARMZ is manufactured by Analog Devices, Inc. (ADI), a prominent American multinational company specializing in semiconductor products and integrated circuits. Founded in 1965, Analog Devices focuses primarily on high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. The company serves a diverse range of industries, including communications, automotive, healthcare, and industrial automation, providing solutions for signal processing and data conversion. ADI is known for its innovation in precision analog technology and is a key player in the development of components used in various electronic applications, such as amplifiers, sensors, and signal conditioning devices.

Application

The AD8227ARMZ is a low-power instrumentation amplifier primarily used for sensor signal conditioning, biomedical applications (like ECG and EEG monitoring), industrial process control, and data acquisition systems. Its high input impedance and low noise make it suitable for amplifying small differential signals across various applications, including temperature sensors, strain gauges, and other transducers in medical and industrial settings.

Equivalent

The AD8227ARMZ is a low-power instrumentation amplifier. Equivalent products include the INA114, INA128, and AD623 from Texas Instruments and Analog Devices, respectively. Other alternatives are the LTC2057 from Analog Devices and the MAX4208 from Maxim Integrated. Always consider specifications such as voltage range, bandwidth, and noise when selecting an equivalent.